- 作 者: ( "zhaoxiong xie" OR "zhao-xiong xie" )
-
NO2 sensing with a part-per-billion limit of detection using Fe2(MoO4)3 hollow microspheres synthesized by a bubble template methodSensors and Actuators B: Chemical (IF 9.221) Pub Date : 2022-07-19 ,DOI:10.1016/j.snb.2022.132402Yunfei Zhang, Jiangmei Gou, Li Chen, Ying Peng, Daojiang Gao, Jian Bi, Jiangtao Wu, Zhaoxiong XieHigh-performance NO2 sensors are in high demand for various areas, ranging from automobiles and industrial processes to environmental monitoring. Nanomaterials with a high surface area are widely used to fabricate high-performance NO2 sensors. A universal and important issue for nanomaterial based sensors is aggregation between neighboring nanoparticles. In this study, the non-agglomerated hollow microspheres ...
-
Ultrafast Anisotropic Evolution of Photoconductivity in Sb2Se3 Single CrystalsThe Journal of Physical Chemistry Letters (IF 6.888) Pub Date : 2022-06-01 ,DOI:10.1021/acs.jpclett.2c01346Huijie Liu, Geying Luo, Haoran Cheng, Zhangqiang Yang, Zhaoxiong Xie, Kelvin H. L. Zhang, Ye YangState Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, People's Republic of China.The antimony chalcogenide crystals are composed of quasi-one-dimensional [Sb4X6]n ribbons, which lead to strong anisotropic optical and electronic properties. An attempt to exploit photoconductivity anisotropy in the device fabrication may introduce a rewarding strategy to propel the development of the antimony chalcogenide solar cells. To achieve this, understanding of the dynamic evolution of the ...
-
Efficient plasmon-enhanced perovskite solar cells by molecularly isolated gold nanorodsJournal of Energy Chemistry (IF 13.599) Pub Date : 2022-05-18 ,DOI:10.1016/j.jechem.2022.05.015Yong Hui, En-Ming You, Qing-Peng Luo, Tan Wang, Zi-Ang Nan, Yu Gu, Wen-Han Zhang, Zhuan-Yun Cai, Liang Chen, Jian-Zhang Zhou, Jia-Wei Yan, Zhao-Xiong Xie, Bing-Wei Mao, Zhong-Qun TianPerovskite solar cells (PSCs) are becoming a promising candidate for next-generation photovoltaic cells due to their attractive power conversion efficiency (PCE). Plasmonic enhancement is regarded as an optical tuning approach for further improving the PCE of single-junction PSCs toward Shockley-Queisser limit. Herein, we introduce molecularly isolated gold nanorods (Au NRs), bearing relatively stronger ...
-
Rational design of two-dimensional flaky Fe/void/C composites for enhanced microwave absorption propertiesDalton Transactions (IF 4.569) Pub Date : 2022-05-11 ,DOI:10.1039/d2dt01065hRunjing Mao, Susu Bao, Qingsong Li, Yusheng Yuan, Zhihao Liang, Meixi Zhang, Zhiyuan Jiang, Zhaoxiong XieState Key Laboratory of Physical Chemistry of Solid Surfaces, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.Owing to their unique electromagnetic properties and structure anisotropy, two-dimensional (2D) magnetic metal flakes are attracting special attention for applications as microwave absorption materials. However, the conductive network formed by the connected metal flakes may lead to impedance mismatching and reduced performance. In this study, a facile and rational strategy was developed to fabricate ...
-
Oxidative Stability Matters: A Case Study of Palladium Hydride Nanosheets for Alkaline Fuel CellsJournal of the American Chemical Society (IF 16.383) Pub Date : 2022-04-29 ,DOI:10.1021/jacs.2c00518Huiqi Li, Rui Zeng, Xinran Feng, Hongsen Wang, Weixuan Xu, Xinyao Lu, Zhaoxiong Xie, Héctor D. AbruñaPd-based electrocatalysts are considered to be a promising alternative to Pt in anion-exchange membrane fuel cells (AEMFCs), although major challenges remain. Most of the Pd-based electrocatalysts developed for the sluggish oxygen reduction reaction (ORR) have been exclusively evaluated by rotating disk electrode (RDE) voltammetry at room temperature, rather than in membrane electrode assemblies (MEAs) ...
-
Two-Dimensionally Assembled Pd–Pt–Ir Supernanosheets with Subnanometer Interlayer Spacings toward High-Efficiency and Durable Water SplittingACS Catalysis (IF 13.7) Pub Date : 2022-04-19 ,DOI:10.1021/acscatal.2c00859Zixi Lyu, Xue Zhang, Xinyan Liao, Kai Liu, Hongpu Huang, Junlin Cai, Qin Kuang, Zhaoxiong Xie, Shuifen XieOrderly assembled supernanosheets (ASNSs), integrating the architectural features of subunit NSs, 2D subnanometer interlayer spacings, and multiple electroactive sites, can remarkably expand the functionality and stability of 2D multimetallic nanomaterials. Here, we report a versatile template-directed strategy for synthesizing multimetallic ASNSs. As a proof-of-concept, ternary Pd44Pt30Ir26 ASNSs ...
-
Hot-electron-induced CO2 hydrogenation on Au@AuRu/g-C3N4 plasmonic bimetal–semiconductor heterostructureChemical Engineering Journal (IF 16.744) Pub Date : 2022-04-19 ,DOI:10.1016/j.cej.2022.136482Xibo Zhang, Huijie Liu, Yaqin Wang, Shuangli Yang, Qian Chen, Zhiying Zhao, Ye Yang, Qin Kuang, Zhaoxiong XieHot-electron-induced CO2 hydrogenation is a promising pathway for solar-to-chemical energy conversion under mild conditions. Herein, we designed a unique “antenna–reactor” architecture with surface alloyed Au@AuRu plasmonic nanoparticles (NPs) loaded on g-C3N4 (Au@AuRu/g-C3N4) to achieve high-efficiency CO2 methanation under light-heat dual activation. Remarkably, Au@AuRu/g-C3N4 exhibits a high CH4 ...
-
Equilibrated PtIr/IrOx Atomic Heterojunctions on Ultrafine 1D Nanowires Enable Superior Dual-Electrocatalysis for Overall Water SplittingSmall (IF 15.153) Pub Date : 2022-04-14 ,DOI:10.1002/smll.202201333Hongpu Huang, Luhong Fu, Weiqiang Kong, Hairui Ma, Xue Zhang, Junlin Cai, Shupeng Wang, Zhaoxiong Xie, Shuifen XieDual-active-sites atomically coupled on ultrafine 1D nanowires (NWs) can offer synergic atomic heterojunctions (AHJs) and high atomic-utilization toward multipurpose and superior catalysis. Here, ≈2-nm-thick PtIr/IrOx hybrid NWs are elaborately synthesized with equilibrated Pt/IrOx AHJs as high-efficiency bifunctional electrocatalysts for overall water splitting. Mechanism studies reveal the atomically ...
-
Single-Atom Molybdenum Engineered Platinum Nanocatalyst for Boosted Alkaline Hydrogen OxidationAdvanced Energy Materials (IF 29.698) Pub Date : 2022-02-20 ,DOI:10.1002/aenm.202103336Min Ma, Guang Li, Wei Yan, Zhuangzhuang Wu, Zhiping Zheng, Xibo Zhang, Qiuxiang Wang, Guifen Du, Deyu Liu, Zhaoxiong Xie, Qin Kuang, Lansun ZhengEngineering the surface electrochemistry at the atomic level can precisely and effectively manipulate the reactivity and durability of catalysts. Herein, a novel single-atom fine-tailoring strategy based on a highly hydrophilic Mo-bifunctional promoter is proposed to greatly boost the hydrogen oxidation reaction (HOR) on Pt catalysts. The single-atom Mo-modified nanometer Pt anchored on porous N-doped ...
-
Co3O4 nanocrystals as matrices for the detection of amino acids, harmful additives and pesticide residues by MALDI-TOF MSTalanta (IF 6.556) Pub Date : 2022-02-07 ,DOI:10.1016/j.talanta.2022.123299Zufeng Qiu, Zhiping Zheng, Zhijia Song, Yunchao Sun, Qiheng Shan, Zhiwei Lin, Zhaoxiong XieResearch of detection of low molecular weight compounds on human health and biological systems become increasingly important. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS), a soft ionization equipment, is a rapid, reliable, high-sensitivity, high-throughput and simple test instrument. However, the application of MALDI-TOF MS in the analysis of small molecules ...
-
Pt Particle Size Affects Both the Charge Separation and Water Reduction Efficiencies of CdS–Pt Nanorod Photocatalysts for Light Driven H2 GenerationJournal of the American Chemical Society (IF 16.383) Pub Date : 2022-01-28 ,DOI:10.1021/jacs.1c11745Yawei Liu, Wenxing Yang, Qiaoli Chen, David A. Cullen, Zhaoxiong Xie, Tianquan LianDecreasing the metal catalyst size into nanoclusters or even single atom is an emerging direction of developing more efficient and cost-effective photocatalytic systems. Because the catalyst particle size affects both the catalyst activity and light driven charge separation efficiency, their effects on the overall photocatalytic efficiency are still poorly understood. Herein, using a well-defined semiconductor–metal ...
-
Introducing oxophilic metal and interstitial hydrogen into the Pd lattice to boost electrochemical performance for alkaline ethanol oxidationJournal of Materials Chemistry A (IF 14.511) Pub Date : 2021-12-18 ,DOI:10.1039/d1ta08924bCong Shen, Hanming Chen, Mingye Qiu, Yuqiang Shi, Wei Yan, Qiaorong Jiang, Yaqi Jiang, Zhaoxiong XieState Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, ChinaThe sluggish kinetics of the ethanol oxidation reaction (EOR), poor C1 selectivity and susceptibility to toxicity of CO intermediates hinder the commercialization of direct ethanol fuel cells (DEFCs). In this paper, we reported an achievable method to fabricate an efficient catalyst of stable PdCoH nanosheets (NSs) for the EOR by introducing both the oxophilic metal cobalt and hydrogen atoms into the ...
-
Highly efficient ethylene production via electrocatalytic hydrogenation of acetylene under mild conditionsNature Communications (IF 17.694) Pub Date : 2021-12-06 ,DOI:10.1038/s41467-021-27372-8Suheng Wang, Kelechi Uwakwe, Liang Yu, Jinyu Ye, Yuezhou Zhu, Jingting Hu, Ruixue Chen, Zheng Zhang, Zhiyou Zhou, Jianfeng Li, Zhaoxiong Xie, Dehui Deng
Renewable energy-based electrocatalytic hydrogenation of acetylene to ethylene (E-HAE) under mild conditions is an attractive substitution to the conventional energy-intensive industrial process, but is challenging due to its low Faradaic efficiency caused by competitive hydrogen evolution reaction. Herein, we report a highly efficient and selective E-HAE process at room temperature and ambient pressure
...
-
Dynamic Phase Transition of Iron Oxycarbide Facilitated by Pt Nanoparticles for Promoting the Reverse Water Gas Shift ReactionACS Catalysis (IF 13.7) Pub Date : 2021-11-18 ,DOI:10.1021/acscatal.1c03772Hanming Chen, Zhiying Zhao, Genyuan Wang, Zhiping Zheng, Jiayu Chen, Qin Kuang, Zhaoxiong XieThe catalytic activation of CO2 is a crucial process in CO2 recycling for both fundamental research and industrial applications. Fe-based catalysts have been demonstrated to be highly active for the reverse water gas shift (RWGS) reaction. However, the structural complexity and dynamic reduction/oxidation/carburization of iron-based catalysts mean that it is challenging to understand the mechanism ...
-
Platinum-Tin/Tin Oxide/CNT Catalysts for High-Performance Electrocatalytic Ethanol OxidationChemistry - A European Journal (IF 5.02) Pub Date : 2021-11-17 ,DOI:10.1002/chem.202103521Zhiping Zheng, Qiaorong Jiang, Xiqing Cheng, Xiao Han, Qin Kuang, Zhaoxiong XieThe interfacial structure of Pt−Sn/SnOx/CNT composite electrocatalysts was rationally engineered on carbon nanotubes for achieving high-performance electrocatalytic ethanol oxidation. Through a carefully designed two-step (oxidation-reduction) heat-treatment route, the coverage of SnOx thin films on PtSn alloy nanoparticles can be facilely tuned by the strong interaction between Pt and SnOx. The optimized ...
-
Hollow mesoporous organosilica nanotheranostics incorporating Formimidoyltransferase Cyclodeaminase (FTCD) plasmids for magnetic resonance imaging and tetrahydrofolate metabolism fission on hepatocellular carcinomaInternational Journal of Pharmaceutics (IF 6.51) Pub Date : 2021-11-10 ,DOI:10.1016/j.ijpharm.2021.121281Jiajia Chen, Yang Yang, Bingquan Lin, Zexian Xu, Xi Yang, Shaoguang Ye, Zhaoxiong Xie, Yanbing Li, Jianwen Hong, Zehai Huang, Wenhua HuangThe formimidoyltransferase cyclodeaminase (FTCD) gene encodes an enzyme required for the catabolism of histidine and tetrahydrofolate (THF). Previous studies showed that FTCD plays a role as a tumour suppressor gene in hepatocellular carcinoma (HCC). It is unknown whether the restoration of functional FTCD may exhibit an anti-tumour effect on HCC. This study constructed a delivery system based on hollow ...
-
Effect of Rutile Content on the Catalytic Performance of Ru/TiO2 Catalyst for Low-Temperature CO2 MethanationACS Sustainable Chemistry & Engineering (IF 9.224) Pub Date : 2021-10-13 ,DOI:10.1021/acssuschemeng.1c05565Zhiying Zhao, Qiaorong Jiang, Qiuxiang Wang, Mingzhi Wang, Jiachang Zuo, Hanming Chen, Qin Kuang, Zhaoxiong XieHydrogenation of carbon dioxide (CO2) to methane (CH4) bears the potential not only to alleviate excessive emission of CO2 but to produce clean energy for direct use. However, due to the high temperature required for the activation of CO2, it is necessary to develop a catalyst with high activity and high CH4 selectivity at low reaction temperature for CO2 methanation. In this study, we synthesized ...
-
Trimetallic PtNiCo branched nanocages as efficient and durable bifunctional electrocatalysts towards oxygen reduction and methanol oxidation reactionsJournal of Materials Chemistry A (IF 14.511) Pub Date : 2021-10-06 ,DOI:10.1039/d1ta07488aHengrui Ma, Zhiping Zheng, Hongsheng Zhao, Cong Shen, Hanming Chen, Huiqi Li, Zhenming Cao, Qin Kuang, Haixin Lin, Zhaoxiong XieState Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, ChinaEngineering the composition and structure of Pt-based alloy electrocatalysts has exhibited great promise for enhancing activity and durability in the oxygen reduction reaction (ORR) and methanol oxidation reaction (MOR). However, it remains a great challenge to completely achieve this goal because of sluggish kinetics and surface CO poisoning. Herein, we successfully constructed trimetallic PtNiCo ...
-
Heterogeneous fcc-Pt/hcp-PtBi Thick-Edge Nanoplates with Enhanced Activity for Formic Acid OxidationACS Applied Energy Materials (IF 6.959) Pub Date : 2021-09-01 ,DOI:10.1021/acsaem.1c01436Xuemin Li, Yunchao Sun, Cong Shen, Zhiping Zheng, Hanming Chen, Yaqi Jiang, Zhaoxiong XieRational design of Pt-based alloy electrocatalysts with heterostructures and 3D nanoplate morphology remains a great challenge. Herein, we advance a facile wet-chemical synthesis of heterogeneous fcc-Pt/hcp-PtBi thick-edge nanoplates (PtBi NPs) of 3.1 nm in thickness with a tunable edge width range from 3.7 to 7.0 nm. The preferential absorption of Br– ions and the excessive input of the Pt precursor ...
-
Synthesis of hollow rod-like hierarchical structures assembled by CoFe/C nanosheets for enhanced microwave absorptionJournal of Materials Chemistry C (IF 8.067) Pub Date : 2021-08-31 ,DOI:10.1039/d1tc02984cSusu Bao, Zhijia Song, Runjing Mao, Yue Li, Shuhong Zhang, Zhiyuan Jiang, Xueai Li, Zhaoxiong XieComposites of ferromagnetic metal and carbon with hierarchical structures are favoured for strengthening microwave absorption capability due to the synergistic effects of hybrid structures and enhanced interfacial polarization. However, it remains a great challenge to fabricate composites with desirable structures due to the collapse of the design structure following post-treatment. Herein, a facile ...
-
Concave nano-octahedral alloys: wet chemical synthesis of bimetallic Pt–Pd nanocrystals with high-index {hhl} FacetsDalton Transactions (IF 4.569) Pub Date : 2021-08-23 ,DOI:10.1039/d1dt02305eGuifen Du, Qiaoli Chen, Hui Jin, Shuifen Xie, Qin Kuang, Zhaoxiong XieConcave morphologies provide noble metal nanocrystals (NCs) with unique performances due to large specific surface areas, high curves, hot spots, and elevated energy facets. As a result, concave morphologies have attracted considerable attention in many areas. However, most NCs with concave shapes are currently made of a single metal, leaving plenty of room for easy wet chemical synthesis and structural ...
-
Revealing phase evolution mechanism for stabilizing formamidinium-based lead halide perovskites by a key intermediate phaseChem (IF 25.832) Pub Date : 2021-08-13 ,DOI:10.1016/j.chempr.2021.07.011Zi-Ang Nan, Liang Chen, Qi Liu, Su-Heng Wang, Zhi-Xin Chen, Shao-Yu Kang, Jia-Bao Ji, Yan-Yan Tan, Yong Hui, Jia-Wei Yan, Zhao-Xiong Xie, Wan-Zhen Liang, Bing-Wei Mao, Zhong-Qun TianFAPbI3 (FA+ = formamidinium) perovskite, one of the most efficient basic components in nowadays perovskite solar cells (PCSs), undergoes spontaneous phase transition while molecular-level investigations are still lacking. Here, we report a structural study on the phase transition process of the FA-based perovskites based on isolation and identification of a series of single crystal intermediates. A ...
-
Constructing oxide/sulfide in-plane heterojunctions with enlarged internal electric field for efficient CO2 photoreductionApplied Catalysis B: Environmental (IF 24.319) Pub Date : 2021-05-26 ,DOI:10.1016/j.apcatb.2021.120394Qian Chen, Xianjie Chen, Qiaorong Jiang, Zhiping Zheng, Zhijia Song, Zhiying Zhao, Zhaoxiong Xie, Qin KuangThe internal electric field (IEF) has recently attracted intense attention in photocatalysis due to its extraordinary ability in accelerating charge separation and migration. In this work, it is found that IEF intensity can be effectively enhanced by constructing oxide/sulfide in-plane heterojunction from the pristine two-dimensional (2D) metal sulfides. Taking 2D In2S3 nanosheet as a model, In2O3/In2S3 ...
-
Amplified Interfacial Effect in an Atomically Dispersed RuOx-on-Pd 2D Inverse Nanocatalyst for High-Performance Oxygen ReductionAngewandte Chemie International Edition (IF 16.823) Pub Date : 2021-04-22 ,DOI:10.1002/anie.202104013Zixi Lyu, Xia-Guang Zhang, Yucheng Wang, Kai Liu, Chunyu Qiu, Xinyan Liao, Weihua Yang, Zhaoxiong Xie, Shuifen XieAtomically dispersed oxide-on-metal inverse nanocatalysts provide a blueprint to amplify the strong oxide–metal interactions for heterocatalysis but remain a grand challenge in fabrication. Here we report a 2D inverse nanocatalyst, RuOx-on-Pd nanosheets, by in situ creating atomically dispersed RuOx/Pd interfaces densely on ultrathin Pd nanosheets via a one-pot synthesis. The product displays unexpected ...
-
Plasmonic nanoreactors regulating selective oxidation by energetic electrons and nanoconfined thermal fieldsScience Advances (IF 14.957) Pub Date : 2021-03-05 ,DOI:10.1126/sciadv.abf0962Chao Zhan, Qiu-Xiang Wang, Jun Yi, Liang Chen, De-Yin Wu, Ye Wang, Zhao-Xiong Xie, Martin Moskovits, Zhong-Qun Tian
Optimizing product selectivity and conversion efficiency are primary goals in catalysis. However, efficiency and selectivity are often mutually antagonistic, so that high selectivity is accompanied by low efficiency and vice versa. Also, just increasing the temperature is very unlikely to change the reaction pathway. Here, by constructing hierarchical plasmonic nanoreactors, we show that nanoconfined
...
-
Atomically dispersed Pt/CeO2 catalyst with superior CO selectivity in reverse water gas shift reactionApplied Catalysis B: Environmental (IF 24.319) Pub Date : 2021-03-04 ,DOI:10.1016/j.apcatb.2021.120101Zhiying Zhao, Mingzhi Wang, Peijie Ma, Yanping Zheng, Jiayu Chen, Huiqi Li, Xibo Zhang, Kun Zheng, Qin Kuang, Zhao-Xiong XiePlatinum (Pt)-based catalysts often failed to possess high CO2 conversion and high CO selectivity at the same time (especially at high reaction temperature) in reverse water gas shift (RWGS) reaction. Herein, we found that atomically dispersed Pt species was the crucial factor in improving the selectivity of CO and inhibiting the formation of CH4. Three Pt/CeO2 catalysts, including atomically dispersed ...
-
MOF encapsulated sub-nm Pd skin/Au nanoparticles as antenna-reactor plasmonic catalyst for light driven CO2 hydrogenationNano Energy (IF 19.069) Pub Date : 2021-03-03 ,DOI:10.1016/j.nanoen.2021.105950Xibo Zhang, Yunyan Fan, Enming You, Zexuan Li, Yongdi Dong, Luning Chen, Ye Yang, Zhaoxiong Xie, Qin Kuang, Lansun ZhengActivation of CO2 with plasmon induced hot electrons has attracted great attention due to its moderate reaction conditions, but high-efficiency plasmonic catalysts still remains challenging. Herein, we designedly prepared an antenna-reactor plasmonic catalyst with core-shell structure, i.e. sub-nm Pd skin/Au NPs encapsulated within UiO-66-NH2 (Au@Pd@UiO-66-NH2-0.5) for CO2 hydrogenation under light-heat ...
-
-
Tailoring the Chemical Potential of Crystal Growth Units to Tune the Bulk Structure of NanocrystalsSmall Methods (IF 15.367) Pub Date : 2020-09-01 ,DOI:10.1002/smtd.202000447Jiawei Zhang, Guifen Du, Huiqi Li, Qiaoli Chen, Qin Kuang, Zhiyuan Jiang, Zhaoxiong XieThe intrinsic factors affecting the bulk structures of nanocrystallites are not well explored during crystallization. In this study, it is demonstrated that the chemical potential of growth units plays decisive role in governing the final structure of nanocrystals. It is found that the types of reaction vessels are able to vary the chemical potential of growth units, and make the Pt and Pd nanocrystals ...
-
PtCo-excavated rhombic dodecahedral nanocrystals for efficient electrocatalysisNanoscale Advances (IF 5.598) Pub Date : 2020-08-29 ,DOI:10.1039/d0na00717jCong Shen, Xuemin Li, Yajing Wei, Zhenming Cao, Huiqi Li, Yaqi Jiang, Zhaoxiong Xie
Platinum (Pt)-based catalysts have shown excellent catalytic performance in many fields, particularly for the oxygen reduction reaction (ORR) and direct oxidation of small fuel molecules. Further development of Pt-based electrocatalysts relies on the morphology design of Pt-based alloy nanocrystals (NCs) with highly accessible and active surface sites to optimize Pt atomic utilization. In this work
...
共有303个结果符合您的查询条件，只显示了前300个，请优化您的查询条件，以获取更精确的结果。
高级搜索
我的搜索条件
京公网安备 11010802027423号