-
Contribution of Hydrogen-Bond Nanoarchitectonics to Switchable Photothermal-Mechanical Properties of Bioinorganic Fibers CCS Chem. Pub Date : 2022-06-21 Jing Sun, Jinrui Zhang, Lai Zhao, Sikang Wan, Baiheng Wu, Chao Ma, Jingjing Li, Fan Wang, Xiwen Xing, Dong Chen, Hongjie Zhang & Kai Liu1Department of Chemistry, Tsinghua University, Beijing 1000842State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun, Changchun 1300223Institute of Organic Chemistry, Ulm University,
Stimuli-responsive materials hold great potential for the development of smart materials due to their specifically tailored characteristics. However, it is challenging to understand internal molecular dynamics when the macroscopic mechanics of materials change in response to specific applied stimuli. Herein, we present the biological composite fibers of which mechanical properties can be reversibly
-
Pore-Directed Solid-State Selective Photoinduced E–Z Isomerization and Dimerization within Metal–Organic Frameworks CCS Chem. Pub Date : 2022-06-21 Shu-Li Chen, Yan Mi, Fei-Long Hu, David James Young & Jianping Lang1Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Guangxi Minzu University, Nanning 530006, Guangxi2College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu3College of Engineering, IT and Environment, Charles Darwin University, Darwin
Design and construction of suitable pore microenvironments for selective catalytic reactions of small guest molecules is a major goal for chemists. Herein, we report control of competitive E–Z photoisomerization and photodimerization within porous metal–organic frameworks (MOFs) by fine-tuning the pore microenvironments using different dicarboxylate linkers. MOFs with small pores ( ( E )-X⊂MOF1 and
-
Upcycling Polytetrahydrofuran to Polyester CCS Chem. Pub Date : 2022-06-21 Xun Zhang, Yue Sun, Chengjian Zhang & Xinghong ZhangState Key Laboratory of Motor Vehicle Biofuel Technology, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027
One major remaining challenge in polymer chemistry is the development of efficient chemical recycling strategies to fully retrieve starting materials. Polytetrahydrofuran (PTHF) is widely used, but its stable ether bonds make it difficult to chemically reuse after disposal. Here, we propose a “polymer A → polymer B” strategy for one-step quantitative upcycling of PTHF to polyesters. The route undergoes
-
Cooperative Chemical Coupling and Physical Lubrication Effects Construct Highly Dynamic Ionic Covalent Adaptable Network for High-Performance Wearable Electronics CCS Chem. Pub Date : 2022-06-21 Lijie Sun, Hongfei Huang, Qingbao Guan, Lei Yang, Luzhi Zhang, Benhui Hu, Rasoul Esmaeely Neisiany, Zhengwei You & Meifang Zhu1State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Institute of Functional Materials, Research Base of Textile Materials for Flexible Electronics and Biomedical Applications (China Textile Engineering
Covalent adaptable networks (CANs), which combine the benefits of traditional thermosets and thermoplastics, have attracted considerable attention. The dynamics of reversible covalent bonds and mobility of polymer chains in CANs determine the topological rearrangement of the polymeric network, which is critical to their superior features, such as self-healing and reprocessing. Herein, we introduce
-
A proximity-triggered strategy towards transferable PROTACs CCS Chem. Pub Date : 2022-06-22 Yuena Wang, Rongtong Zhao, Chuan Wan, Wei Kang, Rui Wang, Chengyao Chiang, Xiaochun Guo, Qi Chang, Zhanfeng Hou, Yuxin Ye, Qinghong Luo, Ziyuan Zhou, Jianbo Liu, Shuiming Li, Dongyuan Wang, Feng Yin, Zigang Li
Over the past 20 years, great efforts have been invested to develop site-specific approaches to protein modification in order to dissect protein functions directly and accurately. Here, we report a proximity-triggered group transfer strategy from a sulfonium warhead to a Cysteine (Cys) of the target protein. With a guiding ligand, cargoes can be selectively transferred form sulfonium center onto Cys
-
Highly ordered supramolecular assembled networks tailored by bioinspired H-bonding confinement for recyclable ion-transport materials CCS Chem. Pub Date : 2022-06-20 Chen-Yu Shi, Qi Zhang, Bang-Sen Wang, Dan-Dan He, He Tian, Da-Hui Qu
Controlling dynamic molecular self-assembly to finely tune macroscopic properties offers chemical solutions to rationalize material design. Here we report that combining disulfide-mediated ring-opening polymerization with β-sheet-like H-bonding self-assembly can drive a direct small-molecular assembly into a layered ionic network with precise architectural tunability and controllable functions as ion-transport
-
Catalytic [2+2+2] Tandem Cyclization with Alkyl Substituted Methylene Malonate Enabling Concise Total Synthesis of Four Malagasy Alkaloids CCS Chem. Pub Date : 2022-06-20 Yu-Jing Cheng, Liu-Peng Zhao, Lijia Wang, Yong Tang
Myrtoidine and malagashanine, highly complex indole alkaloids, are effective adjuvant in developing cures for plasmodium malaria and also potent multi-drug resistant agents. Despite nearly 30 years of progress, myrtoidine and related a family of other Malagasy alkaloids still present formidable challenges for synthetic chemists. A diastereoselective [2+2+2] tandem cyclization reaction with alkyl substituted
-
Redox Mediator Chemistry Regulated Aqueous Batteries: Insights into Mechanisms and Prospects CCS Chem. Pub Date : 2022-06-17 Tengsheng Zhang, Qianru Chen, Xinran Li, Jiahao Liu, Wanhai Zhou, Boya Wang, Zaiwang Zhao, Wei Li, Dongliang Chao, Dongyuan Zhao
Redox mediators (RMs), serving as intermediate electron carriers or reservoirs, play vital roles in developing new charge transfer energy storage systems with high voltage or capacity in aqueous batteries. However, the underlying mechanism and selection criteria of RMs remain unclear in aqueous batteries, which hinders the further exploitation of new RMs and aqueous battery chemistries. Herein, rather
-
Surface Coordination Decouples Hydrogenation Catalysis on Supported Metal Catalysts CCS Chem. Pub Date : 2022-06-16 Qingyuan Wu, Wenting Zhou, Hui Shen, Ruixuan Qin, Qiming Hong, Xiaodong Yi & Nanfeng Zheng1State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, National & Local Joint Engineering Research Center for Preparation Technology of Nanomaterials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 3610052Innovation
Supported metal catalysts integrating advantages of catalytic hydrogenation and stoichiometric reduction are highly desirable for the green production of fine chemicals. Decoupling catalytic hydrogenation into H2 activation and selective reduction taking place at different locations is expected to provide an effective strategy to fabricate such catalyst systems. Herein, we report a decoupled hydrogenation
-
Structural Restoration of Degraded LiFePO4 Cathode with Enhanced Kinetics Using Residual Lithium in Spent Graphite Anodes CCS Chem. Pub Date : 2022-06-16 Min Fan, Xin Chang, Xin-Hai Meng, Chao-Fan Gu, Chao-Hui Zhang, Qinghai Meng, Li-Jun Wan & Yu-Guo Guo1CAS Key Laboratory of Molecular Nanostructure and Nanotechnology, CAS Research/Education Center for Excellence in Molecular Sciences, Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 1001902University of Chinese Academy of
Enormous LiFePO4 (LFP)/graphite batteries retired from the market need urgent rational disposal and reutilization based on the degradation analysis of the evolutional mechanism for electrodes. Typically, Li inventory loss is one of the main reasons for the degradation of LFP-based batteries. The reduced portion of lithium in a cathode is inevitably consumed to form solid electrolyte interphase or trapped
-
Dual-Resistance of Ion Migration and Moisture Erosion via Hydrolytic Crosslinking of Siloxane Functionalized Poly(Ionic Liquids) for Efficient and Stable Perovskite Solar Cells CCS Chem. Pub Date : 2022-06-16 Lingyun Gong, Jia Yang, Wangping Sheng, Yang Zhong, Yang Su, Licheng Tan & Yiwang Chen1College of Chemistry and Chemical Engineering, Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, Nanchang 3300312National Engineering Research Center for Carbohydrate Synthesis/Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University
The inevitable ion migration that occurs within ionic polycrystalline perovskite film results in inferior long-term stability of perovskite solar cells (PVSCs) that cannot meet the commercial requirements. Here, a novel poly(ionic liquid) named poly-1-vinyl-3-propyltrimethoxysilane imidazolium chloride (PImIL-SiO) is first introduced into perovskite to strengthen grain boundaries (GBs) and construct
-
Tuning Ice Nucleation by Mussel-Adhesive Inspired Polyelectrolytes: The Role of Hydrogen Bonding CCS Chem. Pub Date : 2022-06-15 Jing Chen, Yongkang Wang, Benjamin Leibauer, Takakazu Seki, Konrad Meister, Yuki Nagata, Mischa Bonn
Heterogeneous ice nucleation (HIN) on foreign surfaces plays a crucial role across a wide range of environmental and biological processes, and control of HIN is highly desirable. Functionalized surfaces to control HIN pose interesting scientific challenges, and hold great potential for technological impact. Here, we combine the ice nucleation tuning capability of polyelectrolytes with mussel-inspired
-
Photocatalytic Methane Conversion: Insight into the Mechanism of C(sp3)–H Bond Activation CCS Chem. Pub Date : 2022-06-14 Yuheng Jiang, Yingying Fan, Siyang Li & Zhiyong Tang1Chinese Academy of Science (CAS) Key Laboratory of Nanosystem and Hierarchy Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 1001902Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering, School of Civil Engineering, Analytical and Testing Center, Guangzhou
Mild and direct conversion of methane into high value-added products is a desired goal for chemistry, energy, and environment. The active species generated in the photocatalytic reaction system under mild conditions activate the inert C–H bond in methane and promote methane conversion. This review focuses on the developed mechanisms for C(sp3)–H bond activation in photocatalytic methane conversion
-
CASTING: A Potent Supramolecular Strategy to Cytosolically Deliver STING Agonist for Cancer Immunotherapy and SARS-CoV-2 Vaccination CCS Chem. Pub Date : 2022-06-14 Jun-Jun Wu, Fang-Yuan Chen, Bei-Bei Han, Hong-Qing Zhang, Lang Zhao, Zhe-Rui Zhang, Juan-Juan Li, Bo-Dou Zhang, Ya-Nan Zhang, Yu-Xin Yue, Hong-Guo Hu, Wen-Hao Li, Bo Zhang, Yong-Xiang Chen, Dong-Sheng Guo & Yan-Mei Li1Key Lab of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology, Tsinghua University, Beijing
Stimulator of interferon genes, namely STING, an adaptor protein located in the endoplasmic reticulum, has been recognized as a shining target for cancer and infection research. However, STING agonists cyclic dinucleotides (CDNs) have shown almost zero efficacy in phase I clinical trials as a monotherapy, likely due to poor cellular permeability and rapid diffusion despite intratumoral injection. These
-
Few-Atom Copper Catalyst for the Electrochemical Reduction of CO to Acetate: Synergetic Catalysis between Neighboring Cu Atoms CCS Chem. Pub Date : 2022-06-14 Weifeng Rong , Haiyuan Zou , Sha Tan , Enyuan Hu , Fan Li , Chao Tang , Hao Dai , Shuting Wei , Yongfei Ji & Lele Duan 1 Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055 2 Chemistry Division, Brookhaven National Laboratory, Upton, New York 11973 3 School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou
Single-atom catalysts (SACs) are gaining increasing recognition because of their superior catalytic properties for various reactions. However, the performance of SACs is often limited by the lack of neighboring metal centers to cooperate in catalysis. Herein, a synergetic interaction between neighboring Cu atoms of a few-atom catalyst (FAC) on graphdiyne (GDY) is found to greatly enhance the production
-
Catechol-based polymers with high efficacy in cytosolic protein delivery CCS Chem. Pub Date : 2022-06-10 Zhe Zhang, Xin Gao, Yanwen Li, Jia Lv, Hui Wang, Yiyun Cheng
Polymers were widely proposed as carriers for cytosolic protein delivery, but always less effective due to the existence of multiple barriers such as protein binding, cell internalization and endosome escape during cytosolic delivery. Inspired by the strong binding affinity of natural polyphenols with proteins and cell membranes, herein we propose polyphenol modification to improve the protein delivery
-
Design, Synthesis, and Applications of ortho-Sulfur Substituted Arylphosphanes CCS Chem. Pub Date : 2022-06-09 Yu Guo, Ying Luo, Shiqiang Mu, Jianke Su, Jian Xu, Qiuling Song
Ortho-sulfur substituted arylphosphine oxides and arylphosphonates are the precursors of ortho-sulfurative arylphosphanes which are widely utilized as ligands in transition metal-catalyzed reactions. However, efficient synthetic methods to access such compounds are sparce. Herein, highly valuable ortho-sulfur substituted arylphosphine oxides and arylphosphonates were constructed via difunctionalization
-
A General and Modular Access to Enantioenriched α-Trifluoromethyl Ketones via Nickel-Catalyzed Reductive Trifluoroalkylation CCS Chem. Pub Date : 2022-06-08 Dengkai Lin, Yongzhi Chen, Zhan Dong, Pan Pei, Haiting Ji, Lanzhu Tai, Liang-An Chen
The development of new catalytic enantioselective access to CF3-containing stereogenicity is of great interest for the expediting discovery of lead compounds yet remains challenging. Specifically, enantioselective synthesis of valuable ketones featuring α-CF3 stereogenicity has rarely been reported. We devise a general and modular approach to facilely access enantioenriched α-CF3 ketones via nickel-catalyzed
-
A Distinctive Pattern for Substituent Effects on Transition Metal Centers: Enhanced Electron-Donating Capacity of Cationic Palladium Species CCS Chem. Pub Date : 2022-06-11 Jun-Yan Wu, Bin-Rui Mo, Jin-Dong Yang & Jin-Pei Cheng1Department of Chemistry, Tsinghua University, Beijing 1000842College of Chemistry, Nankai University, Tianjin 3000713Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192
Electronic and bonding situations at reaction centers are often detected by the remote substituent effect. For nonorganometallic reactions, this effect is conventionally described by the well-known Hammett-type substituent constants. However, for most transition metal (TM)-involved systems, no analogous numeral descriptors reflecting the intrinsic differences between metallic and nonmetallic bonding
-
Electrochemical Transformation of CO2 to Value-Added Chemicals and Fuels CCS Chem. Pub Date : 2022-06-10 Shunhan Jia, Xiaodong Ma, Xiaofu Sun & Buxing Han1Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 1001902School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 1000493Shanghai Key
CO2 is the main greenhouse gas and a renewable carbon resource. Electrochemical transformation of CO2 (CO2ET) to value-added chemicals and fuels is one of the promising routes to reduce CO2 emission and contributes to sustainability and carbon neutrality. In this review, we discuss recent developments on apparatuses used in CO2ET, electrocatalytic reactions of CO2 with water, organics, nitrogen, and
-
Silver Ion-Induced Formation of Unprecedented Thorium Nonamer Clusters via Lacuna-Construction Strategy CCS Chem. Pub Date : 2022-06-10 Xiang-He Kong, Qun-Yan Wu, Lei Mei, Li-Wen Zeng, Zhi-Wei Huang, Ji-Pan Yu, Chang-Ming Nie, John K. Gibson, Zhi-Fang Chai, Kong-Qiu Hu & Wei-Qun Shi1Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 1000492School of Chemistry and Chemical Engineering, University of South China, Hengyang 4210013Chemical Sciences Division, Lawrence Berkeley
Herein, we report the synthesis and structures of two novel mixed-metal clusters denoted as Th9Ag6 and Th9Ag12. Both clusters feature unprecedented Th9 cores. The cores are tricapped trigonal prism moieties that are novel among actinides. Attempted alternative synthesis routes indicate that the Th9 clusters are accessible only through slow introduction of Ag+ into a solution containing a Th6 cluster
-
Bulky Thiolate-Protected Silver Nanocluster Ag213(Adm-S)44Cl33 with Excellent Electrocatalytic Performance toward Oxygen Reduction CCS Chem. Pub Date : 2022-06-10 Chen-Guang Shi, Jian-Hua Jia, Yaling Jia, Guangqin Li & Ming-Liang TongKey Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-sen University, Guangzhou, Guangdong 510006
Atomically precise gold and/or silver nanoclusters play a key role in crystallography and coordination chemistry. Compared with gold nanoclusters, silver nanoclusters become unstable and difficult to crystallize due to the high reactivity of metal silver. Herein, we report a silver nanocluster Ag213(Adm-S)44Cl33 ( Ag213) coprotected by bulky thiolates and chlorides. The low surface thiolate coverage
-
Biocompatible Chemically Fueled Transient Polymer Nanoparticles for Temporally Programmable in Vivo Imaging CCS Chem. Pub Date : 2022-06-10 Chunyu Pan, Jiajun Xu, Liang Wang, Yiyang Jia, Jiahui Li, Guancheng Liu, Shoujun Zhu, Bai Yang & Yunfeng LiState Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012
Chemically fueled dissipative self-assembly paves the way for innovative materials with lifelike properties and functions. Achievement of nonequilibrium systems with biocompatibility and biofunctions remains an important and challenging task. Here, we present biocompatible chemically fueled transient polymer nanoparticles and their applications in temporally programmable in vivo imaging. The lifetime
-
Boosting Electrocatalytic CO2 Reduction with Conjugated Bimetallic Co/Zn Polyphthalocyanine Frameworks CCS Chem. Pub Date : 2022-06-08 Nan Li, Duan-Hui Si, Qiu-jin Wu, Qiao Wu, Yuan-Biao Huang & Rong Cao1State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 3500022University of Chinese Academy of Science, Beijing 1000493Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350108
Development of high-efficiency electrode materials for the electrochemical CO2 reduction reaction (CO2RR) with high current density and selectivity compatible with industry is an important but significant challenge. Herein, we describe a facile strategy to enhance the selectivity and current density by regulating the local electron density of the cobalt site in a series of stable, conjugated, bimetallic
-
Author Spotlight CCS Chem. Pub Date : 2022-06-06
CCS Chemistry, Volume 4, Issue 6, Page 1824-1828, June 2022.
-
-
Correction to Citation of Articles Published in Volume 4 Issue 6 CCS Chem. Pub Date : 2022-06-06
CCS Chemistry, Volume 4, Issue 6, Page 2165-2166, June 2022.
-
Alkaline Phosphatase-Initiated Sensitive Responsiveness of Activatable Probes to Hydrogen Sulfide for Accurate Cancer Imaging and Differentiation CCS Chem. Pub Date : 2022-06-06 Rongchen Wang, Kai Yin, Muye Ma, Tianli Zhu, Jinzhu Gao, Jie Sun, Xuemei Dong, Chengjun Dong, Xianfeng Gu, He Tian, Chunchang Zhao
Optical imaging with molecular probes is becoming an essential tool for advancing biological research and clinical applications. However, most currently available molecular probes show limited sensitivity, specificity and accuracy due to their typical responsiveness to a single stimulation for biomarker-based imaging. In this study, we develop a novel molecular probe that shows alkaline phosphatase-instructed
-
Ligand Modified and Light Switched On/Off Single-Chain Magnets of {Fe2Co} Coordination Polymers via Metal-to-Metal Charge Transfer CCS Chem. Pub Date : 2022-06-02 Ji-Xiang Hu, Hai-Lang Zhu, Yin-Shan Meng, Jiandong Pang, Na Li, Tao Liu & Xian-He Bu1School of Materials Science and Engineering, Nankai University, Tianjin 3003502College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 2660713State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024
It is still a formidable challenge to simultaneously switch single-chain magnet (SCM) behavior via ligand modification and light irradiation in the field of molecular spintronics. Herein, we present a ligand-bridged layer {[pzTpFe(CN)3]4Co2(Bib)4}·3H2O ( 1; pzTp, tetra-kis(1-pyrazolyl)borate; Bib, 1,4-bis-(1H-imidazol-1-yl)benzene) and a well-isolated double chain {[pzTpFe(CN)3]2Co(Bpi)2}·CH3CN·4H2O
-
Identifying Key Descriptors for the Single-Atom Catalyzed CO Oxidation CCS Chem. Pub Date : 2022-06-02 Max J. Hülsey, Sambath Baskaran, Shipeng Ding, Sikai Wang, Hiroyuki Asakura, Shinya Furukawa, Shibo Xi, Qi Yu, Cong-Qiao Xu, Jun Li & Ning Yan1Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 1175852Department of Chemistry, Southern University of Science and Technology, Shenzhen 5180553Joint School of National University of Singapore, Tianjin University
Fundamental knowledge of structure-activity correlations for heterogeneous single-atom catalysts (SACs) is essential in guiding catalytic design. While linear scaling relations are powerful for predicting the performance of traditional metal catalysts, they appear to fail with the involvement of SACs. Comparing the catalytic CO oxidation activity of different atomically dispersed metals (3d, 4d, and
-
A topology-matching spike protein-capping tetrahedral DNA nanocrown for SARS-CoV-2 neutralization CCS Chem. Pub Date : 2022-06-03 Jingran Chen, Shuxin Xu, Qing Ye, Hang Chi, Ying Li, Mei Wu, Baochao Fan, Zhanchen Guo, Cheng-Feng Qin, Bin Li, Zhen Liu
The constantly mutating SARS-CoV-2 poses great risk of efficacy loss to the present neutralizing therapeutics. Thus, it is of urgent need to develop versatile strategies that enable rapid design and engineering of potent neutralizing therapeutics for newly emerging variants. Herein, we present an unprecedented DNA nanocrown that can topologically match and multivalently bind the S-trimer of SARS-CoV-2
-
π-Pimer, π-Dimer, π-Trimer and 1D π-Stacks in a Series of Benzene Triimide Radical Anions: Substituent-Modulated π Interactions and Physical Properties in Crystalline State CCS Chem. Pub Date : 2022-05-31 De-Hui Tuo, Shuxuan Tang, Pengfei Jin, Jikun Li, Xinping Wang, Chuang Zhang, Yu-Fei Ao, Qi-Qiang Wang, De-Xian Wang
We herein presented the efficient syntheses, crystal structures and physical properties of a series of novel benzene triimide (BTI) radical anions, emphasizing the relation between molecular structure with spin-spin intermolecular interactions and physical properties in crystalline state. BTI radical crystals were prepared by reduction of the variously substituted BTIs 1 with cobaltocene (CoCp2) followed
-
18.55% Efficiency Polymer Solar Cells Based on a Small Molecule Acceptor with Alkylthienyl Outer Side Chains and a Low-Cost Polymer Donor PTQ10 CCS Chem. Pub Date : 2022-05-30 Xiaolei Kong, Jinyuan Zhang, Lei Meng, Chenkai Sun, Shucheng Qin, Can Zhu, Jianqi Zhang, Jing Li, Zhixiang Wei, Yongfang Li1Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 1001902School of Chemical Science, University of Chinese Academy of Sciences, Beijing 1000493College of Chemistry, Green Catalysis
The development of A-DA′D-A type small molecule acceptors (SMAs) has promoted the rapid progress of polymer solar cells (PSCs) in recent years. The outer side chains on the terminal thiophene ring and inner side chains on nitrogen atoms of the pyrrole ring of the DA′D fused ring play important roles in the photovoltaic performance of the SMAs. Here, we synthesized two new SMAs, 2,2′-((2Z,2′Z)-((12
-
Realizing External Quantum Efficiency over 25% with Low Efficiency Roll-Off in Polymer-Based Light-Emitting Diodes Synergistically Utilizing Intramolecular Sensitization and Bipolar Thermally Activated Delayed Fluorescence Monomer CCS Chem. Pub Date : 2022-05-30 Yuchao Liu, Yanchao Xie, Lei Hua, Xingwen Tong, Shian Ying, Zhongjie Ren & Shouke Yan1Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science and Technology, Qingdao 2660422State Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology
Since polymer-based light-emitting diodes (PLEDs) are well-suited building blocks for large-area and low-cost flexible display equipment, state-of-the-art thermally activated delayed fluorescence (TADF) PLEDs are in high demand. To respond to this demand, light-emitting TADF units have initially been modified with electron-transporting units to balance the carrier transport of regiorandom TADF polymers
-
Efficient Photocatalytic Reduction of CO2 Catalyzed by the Metal–Organic Framework MFM-300(Ga) CCS Chem. Pub Date : 2022-05-27 Tian Luo, Zi Wang, Xue Han, Yinlin Chen, Dinu Iuga, Daniel Lee, Bing An, Shaojun Xu, Xinchen Kang, Floriana Tuna, Eric J. L. McInnes, Lewis Hughes, Ben F. Spencer, Martin Schröder & Sihai Yang1Department of Chemistry, University of Manchester, Manchester M13 9PL2Photon Science Institute (PSI), University of Manchester, Manchester M13 9PL3Department of Physics, University of Warwick, Coventry CV4 7AL4Department
Photocatalytic reduction of CO2 to carbon fuels is an important target but highly challenging to achieve. Here, we report the efficient photoconversion of CO2 into formic acid over a Ga(III)-based metal–organic framework (MOF) material using triethanolamine as the sacrificial agent. Under light irradiation and at room temperature, photoreduction of CO2 over MFM-300(Ga) yields formic acid with a selectivity
-
Controllable Polymerization of N-Substituted β-Alanine N-Thiocarboxyanhydrides for Convenient Synthesis of Functional Poly(β-peptoid)s CCS Chem. Pub Date : 2022-05-27 Ximian Xiao, Min Zhou, Zihao Cong, Longqiang Liu, Jingcheng Zou, Zhemin Ji, Ruxin Cui, Yueming Wu, Haodong Zhang, Sheng Chen, Maoquan Li & Runhui Liu1State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 2002372Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, Shanghai
Poly(β-peptoid) is a class of polypeptide mimics that possesses excellent biocompatibility and resistance to proteolysis. However, the synthesis of poly(β-peptoid)s with functionalities is a long-standing challenge that greatly hinders the functional study and application of poly(β-peptoid)s. We report a controllable and easy synthesis of poly(β-peptoid)s bearing diverse functionalities via the ring-opening
-
Dual Rolling Circle Amplification-Assisted Single-Particle Fluorescence Profiling of Exosome Heterogeneity for Discriminating Lung Adenocarcinoma from Pulmonary Nodules CCS Chem. Pub Date : 2022-05-25 Yan Zhou, Haoxiang Li, Min Hou, Jianjun He & Jian-Hui Jiang1Hunan Key Laboratory of Organ Fibrosis, Department of Pulmonary and Critical Care Medicine, The Third Xiangya Hospital, Central South University, Changsha 4100132State Key Laboratory of Chemo/BioSensing and Chemometrics, College of Biomedical Sciences, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082
Exosomes secreted by tumor cells carry abundant molecular biomarkers that reflect the status of their originating cells. These tumor-derived exosomes (TDEs) have emerged as attractive diagnostic targets. However, the identification and characterization of highly heterogeneous TDEs remain practically challenging. Here, we report a dual rolling circle amplification (DRCA)-assisted approach for the selective
-
C–H⋯S Hydrogen Bond Assisted Supramolecular Encapsulation of Fullerenes with Nanobelts CCS Chem. Pub Date : 2022-05-25 Jialin Xie, Xia Li, Zhenglin Du, Yandie Liu & Kelong ZhuSchool of Chemistry, Sun Yat-Sen University, Guangzhou 510275
Hydrogen-bonded capsules have been widely employed as supramolecular hosts for organic molecular guests. Encapsulation of fullerenes by capsules is relatively scarce, especially those that utilize sulfur atoms as hydrogen-bond acceptors. Herein, we describe, in both solution and solid state, a bowl-shaped nanobelt [8]cyclophenoxathiin 1a and its tetra-methylated derivative 1b that can form C–H⋯S hydrogen-bonded
-
Controlled Growth Interface of Charge Transfer Salts of Nickel-7,7,8,8-Tetracyanoquinodimethane on Surface of Graphdiyne CCS Chem. Pub Date : 2022-05-25 Yuxin Liu, Yang Gao, Feng He, Yurui Xue & Yuliang Li1Institute of Chemistry, Chinese Academy of Sciences, Beijing 1001902University of Chinese Academy of Sciences, Beijing 1000493Science Center for Material Creation and Energy Conversion, School of Chemistry and Chemical Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Jinan 250100
Here we report an in situ assembly growth method that controls the growth of NiTCNQ on the surface of graphdiyne (GDY). The catalytic system of donor–acceptor–donor (GDY/TCNQ/Ni) structure with multiple charge transfer (CT) was achieved by controlling the growth of NiTCNQ on the surface of GDY. Significantly, a controlled double layer interface of GDY/TCNQ/Ni was formed. This system implemented simultaneously
-
Crystallography, Packing Mode, and Aggregation State of Chlorinated Isomers for Efficient Organic Solar Cells CCS Chem. Pub Date : 2022-05-25 Hanjian Lai, Xue Lai, Zi-Yi Chen, Yulin Zhu, Hengtao Wang, Hui Chen, Pu Tan, Yiwu Zhu, Yuanzhu Zhang & Feng He1Department of Chemistry, Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 5180552School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 1500013Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and
Revealing the molecular packing, intermolecular interactions, and aggregation behaviors in the nanocrystalline bulk heterojunction (BHJ) domains undertake the tasks for future materials design for efficient solar cells, especially in understanding the structure–property relationship of isomeric non-fullerene acceptors (NFAs). Theoretical calculations reveal that 2ClIC-βδ, with β- and δ-chlorine-substituted
-
Pressure-Induced Intermetallic Charge Transfer and Semiconductor-Metal Transition in Two-Dimensional AgRuO3 CCS Chem. Pub Date : 2022-05-24 Chuanhui Zhu, Jinjin Yang, Pengfei Shan, Mei-Huan Zhao, Shuang Zhao, Cuiying Pei, Bowen Zhang, Zheng Deng, Mark Croft, Yanpeng Qi, Lihong Yang, Yonggang Wang, Xiaojun Kuang, Long Jiang, Dao-Xin Yao, Jin-Guang Cheng & Man-Rong Li1Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-sen University, Guangzhou 5102752Beijing National Laboratory for
The intricate correlation between charge degrees of freedom and physical properties is a fascinating area of research in solid state chemistry and condensed matter physics. Herein, we report on the pressure-induced successive charge transfer and accompanied resistive evolution in honeycomb layered ruthenate AgRuO3. Structural revisiting and spectroscopic analyses affirm the ilmenite type R-3 structure
-
A C54B2 Polycyclic π-System with Bilayer Assembly and Multi-Redox Activity CCS Chem. Pub Date : 2022-05-24 Liuzhong Yuan, Jiaxiang Guo, Yue Yang, Kaiqi Ye, Chuandong Dou & Yue WangState Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012
Doping heteroatoms into polycyclic aromatic hydrocarbons (PAHs) is an efficient strategy to achieve fascinating electronic structures and materials. However, nanoscale B-doped PAHs remain very challenging because of the intrinsic instability of the boron atom and the lack of suitable precursors. In this study, we report a C54B2 polycyclic π-system with one embedded 1,4-diboron-substituted benzene subunit
-
A Fruitful Decade of Organofluorine Chemistry: New Reagents and Reactions CCS Chem. Pub Date : 2022-05-24 Feng-Ling Qing, Xin-Yuan Liu, Jun-An Ma, Qilong Shen, Qiuling Song & Pingping Tang1Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 2000322Shenzhen Grubbs Institute, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 5180553Department of Chemistry
The development of synthetic methods for the introduction of the fluorine atom and fluoroalklyl groups into organic molecules has gained increased attention. Synthetic organic chemists have recently jumped into the field of organofluorine chemistry and have thus made significant contributions. Furthermore, these newly developed methods are typically safer and more effective than the traditional methods
-
Construction of Synergistic Co and Cu Diatomic Sites for Enhanced Higher Alcohol Synthesis CCS Chem. Pub Date : 2022-05-24 Gaofeng Chen, Olga A. Syzgantseva, Maria A. Syzgantseva, Shuliang Yang, Guihua Yan, Li Peng, Changyan Cao, Wenxing Chen, Zhiwei Wang, Fengjuan Qin, Tingzhou Lei, Xianhai Zeng, Lu Lin, Weiguo Song & Buxing Han1College of Energy, Xiamen University, Xiamen 3611022Department of Chemistry, Lomonosov Moscow State University, Moscow 1199913Fujian Engineering and Research Center of Clean and High-Valued Technologies
Higher alcohol synthesis (HAS) from syngas could efficiently alleviate the dependence on the traditional fossil resources. However, it is still challenging to construct high-performance HAS catalysts with satisfying selectivity, space–time yield (STY), and stability. Herein, we designed a diatomic catalyst by anchoring Co and Cu sites onto a hierarchical porous N-doped carbon matrix (Co/Cu–N–C). The
-
Inherently Chiral 6,7-Diphenyldibenzo[e,g][1,4]diazocine: Enantioselective Synthesis and Application as a Ligand Platform CCS Chem. Pub Date : 2022-05-24 Yu Luo, Xilong Wang, Weiming Hu, Yan Peng, Chaoqin Wang, Ting Yu, Sidi Cheng, Jing Li, Yimiao He, Chunfang Gan, Shuang Luo & Qiang Zhu1State Key Laboratory of Respiratory Disease, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 5105302University of Chinese Academy of Sciences, Shijingshan District, Beijing 1000493Guangxi Key Laboratory of Natural Polymer Chemistry
Inherently chiral 6,7-diphenyldibenzo[e,g][1,4]diazocine (DDD) has been synthesized enantioselectively for the first time via chiral phosphoric acid (CPA)-catalyzed cyclocondensation of readily available [1,1′-biphenyl]-2,2′-diamine ( 1a) and benzil ( 2a) in 82% yield, with 98% ee under mild reaction conditions. The strategy could also be applied to racemic biaryl diamines through kinetic resolution
-
Diselenide as a Dual Functional Mechanophore Capable of Stress Self-Reporting and Self-Strengthening in Polyurethane Elastomers CCS Chem. Pub Date : 2022-05-20 Xiaopei Li, Fan Yang, Yiran Li, Cheng Liu, Peng Zhao, Yi Cao, Huaping Xu & Yulan Chen1Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, Tianjin 3000722Department of Physics, Collaborative Innovation Center of Advanced Microstructures, National Laboratory of Solid State Microstructure, Nanjing University, Nanjing, Jiangsu 2100933Department of Chemistry
Unlike biological materials that can sense mechanical force and actively remodel locally, synthetic polymers typically break down under stress. Molecular-level responses to damage with both stress-reporting and self-strengthening functions are significant yet difficult to realize for synthetic polymers. To overcome this challenge, chemo-mechanical coupling into polymers that can simultaneously ameliorate
-
A Smart Molecule Showing Spin Crossover Responsive Aggregation-Induced Emission CCS Chem. Pub Date : 2022-05-19 Cheng Yi, Yin-Shan Meng, Liang Zhao, Nian-Tao Yao, Qiang Liu, Wen Wen, Rui-Xia Li, Yuan-Yuan Zhu, Hiroki Oshio & Tao Liu1State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, Liaoning2Anhui Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui
The utilization of spin crossover (SCO) to modulate the luminescence properties in smart multifunctional materials and multichannel sensors is promising. However, it is challenging to build a strong coupling between SCO and luminescence in one system. Herein, we present a mononuclear compound [Fe(tpe-abpt)2(SeCN)2]·4DMF ( 1·4DMF, tpe-abpt: (4-(1,1,2,2-tetraphenylethene))-N-(3,5-bis(pyridin-2-yl)-4H-1
-
Nanoporous Vesicular Membranes of Amphiphilic Polymers Containing Trans/Cis Isomers CCS Chem. Pub Date : 2022-05-19 Hui Chen, Xia Yu, Yujiao Fan, Xiangjun Xing, Sylvain Trépout & Min-Hui Li1Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Chaoyang District, Beijing 1000292Chimie ParisTech, PSL University Paris, CNRS, Institut de Recherche de Chimie Paris, UMR8247, 75231 Paris Cedex 053Wilczek Quantum Center, School of Physics and Astronomy, Shanghai
Nanoporous membranes and vesicles are interesting systems with potential in applications offering channels for material exchange. Herein, nanoporous membranes and polymersomes are developed by self-assembly of trans- and cis-stereoisomers of amphiphilic polymers. Two polymers, PEG550-TPE-Chol and PEG550-SS-TPE-SS-Chol, containing a central tetraphenylethene (TPE), a cholesterol (Chol), and a poly(ethylene
-
Achieving High-Performance Molecular Rectification through Fast Screening Alkanethiol Carboxylate-Metal Complexes Electroactive Units CCS Chem. Pub Date : 2022-05-19 Lixian Tian, Aiqing Fan, Xi Yu & Wenping HuTianjin Key Laboratory of Molecular Optoelectronic Science, School of Science, Tianjin University, Tianjin 300072
CCS Chemistry, Ahead of Print.
-
Degradable and Recyclable Polymers by Reversible Deactivation Radical Polymerization CCS Chem. Pub Date : 2022-05-18 Michael R. Martinez & Krzysztof MatyjaszewskiDepartment of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213
Reversible deactivation radical polymerization (RDRP) provides unprecedented control over polymer composition, size, functionality, and topology. Various materials, such as linear polymers, star polymers, branched polymers, graft polymers, polymer networks, and hybrid materials, have been prepared by RDRP. The ability to control polymer topology also enabled precision synthesis of well-defined polymer
-
Construction and Functionalization of Highly Strained N-Doped Zigzag Hydrocarbon Belts CCS Chem. Pub Date : 2022-05-18 Ming Xie, Shuo Tong & Mei-Xiang WangMOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084
Recent years have witnessed breakthroughs in the study of zigzag hydrocarbon belts. However, the synthesis of heterocycle-containing zigzag molecular belts remains very rare and challenging despite their interesting structures and potential applications in chemistry and materials science. Here, we report the expeditious construction of a highly strained belt[4]arene[4](1,4-dihydropyridine) structure
-
In Situ Supramolecular Polymerization via Organometallic-Catalyzed Macromolecular Metamorphosis CCS Chem. Pub Date : 2022-05-18 Xiwen Yang, Qianqian Ji, Jiaxiong Liu & Yiliu LiuSouth China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, South China University of Technology, Guangzhou 510640
Integrating catalytic reactions with molecular assembly is a promising means of achieving controllable supramolecular polymerization. We report herein a novel and controllable method for in situ supramolecular polymerization via organometallic-catalyzed macromolecular metamorphosis. To this end, covalent polymers with polypentenamer backbones and pendant supramolecular motifs are designed and synthesized
-
Unity Makes Strength: Constructing Polymeric Catalyst for Selective Synthesis of CO2/Epoxide Copolymer CCS Chem. Pub Date : 2022-05-17 Ruoyu Zhang, Qingxian Kuang, Han Cao, Shunjie Liu, Xuesi Chen, Xianhong Wang & Fosong Wang1Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 1300222University of Science and Technology of China, Hefei 230026
CCS Chemistry, Ahead of Print.
-
Influence of Wallach’s Rule on Chiral AIE Systems and Its Application in Cryptographic Information Storage CCS Chem. Pub Date : 2022-05-12 Qiu Chen Peng, Xi Ming Luo, Yu Jing Qin, Ting Wang, Bing Bai, Xi Long Wei, Kai Li & Shuang Quan ZangHenan Key Laboratory of Crystalline Molecular Functional Materials, Henan International Joint Laboratory of Tumor Theranostical Cluster Materials, Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001
Aggregation-induced emission luminogens (AIEgens) exhibit excellent luminescence properties in the aggregated state. For chiral AIEgens, a combination of right- and left-handed objects can be packed more tightly than homochiral objects due to Wallach’s rule. However, the manner in which Wallach’s rule can affect the luminescence properties of chiral AIEgens remains unclear. We report that, in contrast
-
Dual Triplet Sensitization Strategy for Efficient and Stable Triplet–Triplet Annihilation Upconversion Perovskite Solar Cells CCS Chem. Pub Date : 2022-05-12 Wangping Sheng, Jia Yang, Xiang Li, Jiaqi Zhang, Yang Su, Yang Zhong, Yanda Zhang, Lingyun Gong, Licheng Tan & Yiwang Chen1College of Chemistry and Chemical Engineering, Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, Nanchang 3300312Institute of Advanced Scientific Research (iASR), Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education,
The novel triplet–triplet annihilation (TTA) upconversion (UC) field of rubrene (Rub) and dibenzotetraphenylperiflanthene (DBP) sensitized by bulk metal halide perovskite, integrated with copper-2,3,9,10,16,17,23,24-octafluorophthalocyanine (F8CuPc) as cosensitizer, have been investigated in perovskite solar cells (PVSCs) to minimize sub-bandgap photon transmission loss. The firm hydrogen bonding interaction
-
Palladium-Catalyzed One-Step Synthesis of Stereodefined Difunctionalized Glycals CCS Chem. Pub Date : 2022-05-12 Xiao-Ping Gong, Yuke Li, Hong-Chao Liu, Zhe Zhang, Zhi-Jie Niu, Ya-Nan Ding, Yang An, Xi Chen, Yan-Chong Huang, Rui-Qiang Jiao, Xue-Yuan Liu & Yong-Min Liang1State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 7300002Department of Chemistry, Centre for Scientific Modeling and Computation, Chinese University of Hong Kong, Shatin, Hong Kong 999077
Efficiently modifying glycals by directly introducing functional groups into their double bonds is a long-standing challenge. Here, the strategy of introducing two different functional groups into 1-iodoglycals to obtain modified glycals in one step through palladium catalysis was reported for the first time, and the modified glycals contained stereodefined tetrasubstituted olefins. Using this method
-
A Biomimetic Tooth Replicate That is Hard, Damage Tolerant and Self-Healable CCS Chem. Pub Date : 2022-05-12 Ying Yan, Kai Niu, Wenbo Zhang, Weiming Sun, Yue Jiang, Zhonghao Jiang, Lijuan Zhao, Ming Yang, Baosheng Li, Ying Hou, Guangshe Li, Ming Yang, Shouhua Feng
Hard materials typically lack the mechanism of energy dissipation and cannot self-heal. Nature addresses this challenge by creating multiscale interfaces between high-contrast materials, namely minerals and biopolymers. Inspired by the enamel-dentin junction, an enamel-like crown consisting of β-FeOOH nanocolumns is interdigitated with a flexible self-healing layer. The iron oxide top layer has exceptionally
-
Visualization of Macrophase Separation and Transformation in Immiscible Polymer Blends CCS Chem. Pub Date : 2022-05-10 Zhiyuan Wu, Chunyu Zhang, Youliang Zhu, Zhongyuan Lu, Heng Liu, Bin Xu, Xuequan Zhang & Wenjing Tian1State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, Jilin 1300122Key Laboratory of Rubber-Plastics, Ministry of Education, Shandong Provincial Key Laboratory of Rubber-Plastics, School of Polymer Science and Engineering, Qingdao University
Identification and visualization of phase structures inside polymer blends are of critical importance in the understanding of their intrinsic structure and dynamics. However, the direct optical observation of the individual component phase in a dense bulk material poses a significant challenge. Herein, three-dimensional fluorescence imaging of phase separation and real-time visualization of phase transformation
-
Interfacial Reinitiation of Free Radicals Enables the Regeneration of Broken Polymeric Hydrogel Actuators CCS Chem. Pub Date : 2022-05-10 Baoyi Wu, Huanhuan Lu, Yukun Jian, Dachuan Zhang, Yu Peng, Jie Zhuo, Xiaoxia Le, Jiawei Zhang, Patrick Théato & Tao Chen1Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 3152012School of Chemical Sciences, University of Chinese
Living organisms, from plants to animals, have inspired and guided the design and fabrication of polymeric hydrogels with biomimetic morphology, shape deformation, and actuation behavior. However, the existing polymeric hydrogels are fragile and vulnerable, which seriously hinders further application. Therefore, endowing hydrogels with a biomimetic self-growth property and regenerating the macroscopic
-
Seeing Is Believing: A Wavy N-Heteroarene with 20 Six-Membered Rings Linearly Annulated in a Row CCS Chem. Pub Date : 2022-05-10 Zhongbo Zhang, Zilong Wang, Naoki Aratani, Xiaozhang Zhu & Qichun Zhang1School of Materials Science and Engineering, Nanyang Technological University, Singapore 6397982Division of Materials Science, Nara Institute of Science and Technology, Ikoma, Nara 630-01923Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences
Structurally well-defined arenes with higher numbers of linearly-fused six-member rings (n ≥ 10) are important and highly desirable not only because of their experimental challenges but also due to their fundamental interests and the curiosity of their structure–property relationships. In this research, we successfully synthesized a novel large N-heteroarene ( N20) with 20 linearly-fused six-membered