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  • Spintronics based random access memory: a review
    Mater. Today (IF 21.695) Pub Date : 2017-09-15
    Sabpreet Bhatti, Rachid Sbiaa, Atsufumi Hirohata, Hideo Ohno, Shunsuke Fukami, S.N. Piramanayagam
    更新日期:2017-09-15
  • Nanoplumbers: biomaterials to fight cardiovascular diseases
    Mater. Today (IF 21.695) Pub Date : 2017-08-17
    Flavio Dormont, Mariana Varna, Patrick Couvreur
    更新日期:2017-08-17
  • Organic materials for rechargeable sodium-ion batteries
    Mater. Today (IF 21.695) Pub Date : 2017-08-14
    Yang Xu, Min Zhou, Yong Lei
    更新日期:2017-08-16
  • Regulation of cell fate by near infrared-responsive telomerase activity
    Mater. Today (IF 21.695) Pub Date : 2017-08-09
    Jiasi Wang, Peng Shi, Kai Dong, Zhengqing Yan, Jinsong Ren, Xiaogang Qu

    As a key regulator, telomerase plays important roles in aging and tissue renewal and lifespan. It has been demonstrated that telomerase reactivation in adult or old mice can lead to tissue regeneration, delayed aging and significant lifespan extension. Therefore, modulation of telomerase activity in a precise manner has been received much attention. Here we develop a strategy using near infrared (NIR) modulation of telomerase activity based on gold nanocage@smart polymer system. By using this biocompatible design, cell migration, differentiation, cell senescence and cell cycle have been regulated. NIR-induced upregulation of telomerase can even protect cells from neurotoxic amyloid β induced cell death. This system has been used in vivo by taking advantages of NIR, such as good biocompatibility and tissues penetration. To the best of our knowledge, this is the first example for optical modulation of telomerase activity in living cells and tissues. In consideration of the important roles of telomerase in aging, cancer and hereditary disease, our work may inspire further application of multiple NIR-responsive control system for treatment of aging and related diseases.

    更新日期:2017-08-10
  • Functional polymer surfaces for controlling cell behaviors
    Mater. Today (IF 21.695) Pub Date : 2017-08-09
    Lina Chen, Casey Yan, Zijian Zheng
    更新日期:2017-08-09
  • Two-photon polymerization for biological applications
    Mater. Today (IF 21.695) Pub Date : 2017-08-08
    Alexander K. Nguyen, Roger J. Narayan

    Two-photon polymerization (2PP) leverages the two-photon absorption (TPA) of near-infrared (NIR) radiation for additive manufacturing with sub-diffraction limit resolution within the bulk of a photosensitive material. This technology draws heavily on photosensitive polymers from the microelectronics industry, which were not optimized for TPA or for biocompatibility. 2PP with sub 100 nm resolution has been repeatedly demonstrated; however, this level of fabrication resolution comes at the expense of long fabrication times. Manufacturing of medical devices beyond surface texturing would be prohibitively slow using the current state of the art 2PP technology. Current research into TPA-sensitive photopolymers with good biocompatibility and holographic projections using spatial light modulators address current technological limitations by providing materials specifically formulated for biological applications and by making better use of available laser power for applications in which nanoscale resolution is not required.

    更新日期:2017-08-08
  • Bioinspired yeast microcapsules loaded with self-assembled nanotherapies for targeted treatment of cardiovascular disease
    Mater. Today (IF 21.695) Pub Date : 2017-08-07
    Xiangjun Zhang, Xiaoqiu Xu, Yidan Chen, Yin Dou, Xing Zhou, Lanlan Li, Chenwen Li, Huijie An, Hui Tao, Houyuan Hu, Xiaohui Li, Jianxiang Zhang
    更新日期:2017-08-07
  • Pathogen-mimicking nanocomplexes: self-stimulating oxidative stress in tumor microenvironment for chemo-immunotherapy
    Mater. Today (IF 21.695) Pub Date : 2017-08-02
    Kai Dong, Zhenhua Li, Hanjun Sun, Enguo Ju, Jinsong Ren, Xiaogang Qu

    A novel drug-loaded pathogen-mimicking nanocomplex has been constructed for synergistic chemo-immunotherapy using detoxified lipopolysaccharide coated mesoporous silica nanoparticle. Detoxified lipopolysaccharide behaves as a dual-purpose entity that not only effectively mimics the function of the natural pathogen for triggering immune responses but also acts as a lid for inhibiting premature chemical drug release. In this approach, a knock-on effect would be observed at site of tumor: firstly, pathogen-mimicries elicited the elevated production of ROS; secondly, excessive production of ROS in turn oxidized the arylboronic ester to realize controlled chemotherapy; thirdly, in addition to inducing ROS generation, the nanocomplex would self-stimulate macrophages activation which subsequently activated cytotoxic T cells. Importantly, chemotherapy and immunotherapy were acting in a synergistic manner to inhibit solid tumor growth. Moreover, chemotherapeutic agents could be effectively released upon exposure to self-stimulating oxidative stress in which external addition of ROS was avoided. This proof of concept might open the door to a new generation of carrier materials in the field of cancer therapy.

    更新日期:2017-08-02
  • Additive manufacturing: scientific and technological challenges, market uptake and opportunities
    Mater. Today (IF 21.695) Pub Date : 2017-07-29
    Syed A.M. Tofail, Elias P. Koumoulos, Amit Bandyopadhyay, Susmita Bose, Lisa O’Donoghue, Costas Charitidis
    更新日期:2017-07-30
  • Nonlinear metasurfaces: a paradigm shift in nonlinear optics
    Mater. Today (IF 21.695) Pub Date : 2017-07-19
    Alexander Krasnok, Mykhailo Tymchenko, Andrea Alù
    更新日期:2017-07-20
  • Design and preparation of porous carbons from conjugated polymer precursors
    Mater. Today (IF 21.695) Pub Date : 2017-07-19
    Fei Xu, Dingcai Wu, Ruowen Fu, Bingqing Wei

    Porous nanostructured carbon materials exhibit unique structural features such as high surface area and excellent physicochemical stability and have been of significantly scientific and technological interest because of their vital importance in many energy related applications. Synthetic polymers represent a major class of precursors for developing cutting-edge porous carbons, among which conjugated polymers have emerged as an attractive family of carbon precursors. Distinct from those typical polymer precursors, the robust conjugated structure ensures sufficient framework carbonizability and nanoarchitecture-conserving stability during carbonization process, which is crucial to the successful transformation of designed polymer architectures to finally desired carbon nanostructures. Moreover, heteroatom doping (e.g., N, S, B, and metals) or codoping can be naturally integrated into carbon framework directly by using the heteroatom-containing monomers. Especially, using the newly emerged structurally defined carbon-rich conjugated porous networks as precursors, precise control of compositions and structures of carbon materials becomes possible even at the molecular level. In this review, we will highlight recent strategies to the preparation of porous carbon materials with well-defined porous nanostructures using conjugated polymers as versatile precursors. Beginning with a brief introduction to these precursors, including linear-type conjugated polymers and conjugated porous networks, the synthetic techniques for the fabrication of porous nanostructured carbons by direct templating, self-assembly, template-free, chemical activation, and microwave irritation approaches, will be reviewed. Meanwhile, the sophisticated nanomorphologies, precisely controlled porous structures, and custom-designed functionalities of these conjugated-structure-derived carbons, together made them amenable to diverse task-specific applications, such as electrocatalysis, Li-ion batteries, supercapacitors, and adsorption. Finally, a perspective of the research directions in this field will be presented.

    更新日期:2017-07-20
  • Butyrate-inserted Ni–Ti layered double hydroxide film for H2O2-mediated tumor and bacteria killing
    Mater. Today (IF 21.695) Pub Date : 2017-07-13
    Donghui Wang, Feng Peng, Jinhua Li, Yuqin Qiao, Qianwen Li, Xuanyong Liu
    更新日期:2017-07-14
  • 4D printing of polymeric materials for tissue and organ regeneration
    Mater. Today (IF 21.695) Pub Date : 2017-07-08
    Shida Miao, Nathan Castro, Margaret Nowicki, Lang Xia, Haitao Cui, Xuan Zhou, Wei Zhu, Se-jun Lee, Kausik Sarkar, Giovanni Vozzi, Yasuhiko Tabata, John Fisher, Lijie Grace Zhang

    Four dimensional (4D) printing is an emerging technology with great capacity for fabricating complex, stimuli-responsive 3D structures, providing great potential for tissue and organ engineering applications. Although the 4D concept was first highlighted in 2013, extensive research has rapidly developed, along with more-in-depth understanding and assertions regarding the definition of 4D. In this review, we begin by establishing the criteria of 4D printing, followed by an extensive summary of state-of-the-art technological advances in the field. Both transformation-preprogrammed 4D printing and 4D printing of shape memory polymers are intensively surveyed. Afterwards we will explore and discuss the applications of 4D printing in tissue and organ regeneration, such as developing synthetic tissues and implantable scaffolds, as well as future perspectives and conclusions.

    更新日期:2017-07-08
  • High thermoelectric performance in (Bi0.25Sb0.75)2Te3 due to band convergence and improved by carrier concentration control
    Mater. Today (IF 21.695) Pub Date : 2017-06-28
    Hyun-Sik Kim, Nicholas A. Heinz, Zachary M. Gibbs, Yinglu Tang, Stephen D. Kang, G. Jeffrey Snyder

    Bi2Te3 has been recognized as an important cooling material for thermoelectric applications. Yet its thermoelectric performance could still be improved. Here we propose a band engineering strategy by optimizing the converging valence bands of Bi2Te3 and Sb2Te3 in the (Bi1−xSbx)2Te3 system when x = 0.75. Band convergence successfully explains the sharp increase in density-of-states effective mass yet relatively constant mobility and optical band gap measurement. This band convergence picture guides the carrier concentration tuning for optimum thermoelectric performance. To synthesize homogeneous textured and optimally doped (Bi0.25Sb0.75)2Te3, excess Te was chosen as the dopant. Uniform control of the optimized thermoelectric composition was achieved by zone-melting which utilizes separate solidus and liquidus compositions to obtain zT = 1.05 (at 300 K) without nanostructuring.

    更新日期:2017-06-28
  • Events
    Mater. Today (IF 21.695) Pub Date : 2017-06-26

    更新日期:2017-06-28
  • Sustainable seaweed for supercapacitors
    Mater. Today (IF 21.695) Pub Date : 2017-06-27
    David Bradley

    更新日期:2017-06-28
  • Fast in situ 3D nanoimaging: a new tool for dynamic characterization in materials science
    Mater. Today (IF 21.695) Pub Date : 2017-06-27
    Julie Villanova, Rémi Daudin, Pierre Lhuissier, David Jauffrès, Siyu Lou, Christophe L. Martin, Sylvain Labouré, Rémi Tucoulou, Gema Martínez-Criado, Luc Salvo
    更新日期:2017-06-28
  • Recent advancements of high efficient donor–acceptor type blue small molecule applied for OLEDs
    Mater. Today (IF 21.695) Pub Date : 2017-01-07
    Yunchuan Li, Ji-Yan Liu, Yuan-Di Zhao, Yuan-Cheng Cao

    Although the organic light-emitting devices (OLEDs) encompassing TVs, smartphones, and wearable devices, etc. already have been commercialized, there is still room to pursue material improvements in efficiency and cost-effectiveness. Organic light-emitting materials have experienced the development of the three generation system, it is timely to summary the recent advances and the remaining challenges of the materials as well as their corresponding devices. Special attention is mainly concentrated on describing the blue material structures and related electroluminescence (EL) device performances (the maximum EQE data, Commission Internationale de l’Eclairage (CIE) coordinates, and efficiency roll-off). This short review will show the current governing hotspots concerning OLEDs in academic fields, which may pave the way for next step of industrial application.

    更新日期:2017-06-26
  • Use of organic materials in dye-sensitized solar cells
    Mater. Today (IF 21.695) Pub Date : 2017-01-18
    Chuan-Pei Lee, Chun-Ting Li, Kuo-Chuan Ho

    In the last two decades, dye-sensitized solar cells (DSSCs) have attracted more attention as an efficient alternative to economical photovoltaic devices, and the highest efficiency record has increased from ∼7% to ∼14%. To be more competitive in the solar cell markets, various organic materials are investigated and used in DSSCs to improve the cell efficiency, enhance the cell durability, and reduce the cost of production. In this review article, we provide a short review on the organic materials used for the preparation of photoanodes (including metal element-free organic dye sensitizers), quasi/all-solid-state electrolytes, and metal element-free electrocatalytic films in DSSCs with the cell efficiencies of >5%. Finally, the future perspectives for DSSCs are also briefly discussed.

    更新日期:2017-06-26
  • Towards strength–ductility synergy through the design of heterogeneous nanostructures in metals
    Mater. Today (IF 21.695) Pub Date : 2017-03-21
    Evan Ma, Ting Zhu

    Metals can be processed to reach ultra-high strength, but usually at a drastic loss of ductility. Here, we review recent advances in overcoming this tradeoff, by purposely deploying heterogeneous nanostructures in an otherwise single-phase metal. Several structural designs are being explored, including bimodal, harmonic, lamellar, gradient, domain-dispersed, and hierarchical nanostructures. These seemingly distinct tactics share a unifying design principle in that the intentional structural heterogeneities induce non-homogeneous plastic deformation, and the nanometer-scale features dictate steep strain gradients, thereby enhancing strain hardening and consequently uniform tensile ductility at high flow stresses. Moreover, these heterogeneous nanostructures in metals play a role similar to multiple phases in complex alloys, functionally graded materials and composites, sharing common material design and mechanics principles. Our review advocates this broad vision to help guide future innovations towards a synergy between high strength and high ductility, through highlighting several recent designs as well as identifying outstanding challenges and opportunities.

    更新日期:2017-06-26
  • Surface ligands engineering of semiconductor quantum dots for chemosensory and biological applications
    Mater. Today (IF 21.695) Pub Date : 2017-03-24
    Jie Zhou, Yun Liu, Jian Tang, Weihua Tang

    Featuring size-tunable electrical and optical properties, semiconductor quantum dots (QDs) are appealing intensive interests in developing ingenious luminescent materials for chemosensory and biological applications. The surface modification of QDs with functional ligands not only fine-tunes the physiochemical properties and fluorescence emission behaviors, but also induces the designated interplay between analytes and probes for special determination. In this review, the fundamental principles guiding the rational design of high-efficiency luminescent sensors with surface engineering are overviewed. The state-of-the-art applications of QDs-based probes are highlighted for the sensing of molecular substrates and ionic species as well as various biological applications, with the inherent recognition mechanisms elaborated for representative cases. The challenge and future research direction in this emerging and promising research field are also discussed.

    更新日期:2017-06-26
  • Extreme lightweight structures: avian feathers and bones
    Mater. Today (IF 21.695) Pub Date : 2017-04-17
    Tarah N. Sullivan, Bin Wang, Horacio D. Espinosa, Marc A. Meyers

    Flight is not the exclusive domain of birds; mammals (bats), insects, and some fish have independently developed this ability by the process of convergent evolution. Birds, however, greatly outperform other flying animals in efficiency and duration; for example the common swift (Apus apus) has recently been reported to regularly fly for periods of 10 months during migration. Birds owe this extraordinary capability to feathers and bones, which are extreme lightweight biological materials. They achieve this crucial function through their efficient design spanning multiple length scales. Both feathers and bones have unusual combinations of structural features organized hierarchically from nano- to macroscale and enable a balance between lightweight and bending/torsional stiffness and strength. The complementary features between the avian bone and feather are reviewed here, for the first time, and provide insights into nature's approach at creating structures optimized for flight. We reveal a novel aspect of the feather vane, showing that its barbule spacing is consistently within the range 8–16 μm for birds of hugely different masses such as Anna's Hummingbird (Calypte anna) (4 g) and the Andean Condor (Vultur gryphus) (11,000 g). Features of the feather and bone are examined using the structure-property relationships that define Materials Science. We elucidate the role of aerodynamic loading on observed reinforced macrostructural features and efficiently tailored shapes adapted for specialized applications, as well as composite material utilization. These unique features will inspire synthetic structures with maximized performance/weight for potential use in future transportation systems.

    更新日期:2017-06-26
  • Fullerene: biomedical engineers get to revisit an old friend
    Mater. Today (IF 21.695) Pub Date : 2017-04-24
    Saba Goodarzi, Tatiana Da Ros, João Conde, Farshid Sefat, Masoud Mozafari
    更新日期:2017-06-26
  • Updates on the development of nanostructured transition metal nitrides for electrochemical energy storage and water splitting
    Mater. Today (IF 21.695) Pub Date : 2017-05-09
    Muhammad-Sadeeq Balogun, Yongchao Huang, Weitao Qiu, Hao Yang, Hongbing Ji, Yexiang Tong
    更新日期:2017-06-26
  • Stimuli-directed self-organized chiral superstructures for adaptive windows enabled by mesogen-functionalized graphene
    Mater. Today (IF 21.695) Pub Date : 2017-05-18
    Ling Wang, Hari Krishna Bisoyi, Zhigang Zheng, Karla G. Gutierrez-Cuevas, Gautam Singh, Satyendra Kumar, Timothy J. Bunning, Quan Li
    更新日期:2017-06-26
  • Few-atomic-layered hexagonal boron nitride: CVD growth, characterization, and applications
    Mater. Today (IF 21.695) Pub Date : 2017-05-25
    Majharul Haque Khan, Hua Kun Liu, Xudong Sun, Yusuke Yamauchi, Yoshio Bando, Dmitri Golberg, Zhenguo Huang
    更新日期:2017-06-26
  • The current status of biodegradable stent to treat benign luminal disease
    Mater. Today (IF 21.695) Pub Date : 2017-05-29
    Yueqi Zhu, Kai Yang, Ruoyu Cheng, Yi Xiang, Tianwen Yuan, Bruno Sarmento, Yingsheng Cheng, Wenguo Cui
    更新日期:2017-06-26
  • Broadly tunable metal halide perovskites for solid-state light-emission applications
    Mater. Today (IF 21.695) Pub Date : 2017-05-29
    Sampson Adjokatse, Hong-Hua Fang, Maria Antonietta Loi

    The past two years have witnessed heightened interest in metal-halide perovskites as promising optoelectronic materials for solid-state light emitting applications beyond photovoltaics. Metal-halide perovskites are low-cost solution-processable materials with excellent intrinsic properties such as broad tunability of bandgap, defect tolerance, high photoluminescence quantum efficiency and high emission color purity (narrow full-width at half maximum). In this review, the photophysical properties of hybrid perovskites, which relates with light-emission, such as broad tunability, nature of the recombination processes and quantum efficiency are examined. The prospects of hybrid perovskite light-emitting diodes and lasers, and their key challenges are also discussed.

    更新日期:2017-06-26
  • Universal secondary relaxation and unusual brittle-to-ductile transition in metallic glasses
    Mater. Today (IF 21.695) Pub Date : 2017-06-23
    Q. Wang, J.J. Liu, Y.F. Ye, T.T. Liu, S. Wang, C.T. Liu, J. Lu, Y. Yang
    更新日期:2017-06-26
  • Toward a molecular design of porous carbon materials
    Mater. Today (IF 21.695) Pub Date : 2017-06-24
    Lars Borchardt, Qi-Long Zhu, Mirian E. Casco, Reinhard Berger, Xiaodong Zhuang, Stefan Kaskel, Xinliang Feng, Qiang Xu
    更新日期:2017-06-26
  • Tuned graphene nanoribbons
    Mater. Today (IF 21.695) Pub Date : 2017-06-24
    David Bradley

    更新日期:2017-06-26
  • Chemistry behind bars
    Mater. Today (IF 21.695) Pub Date : 2017-06-24
    David Bradley

    更新日期:2017-06-26
  • Could dye-sensitised solar cells work in the dark?
    Mater. Today (IF 21.695) Pub Date : 2017-06-24
    Laurie Winkless

    更新日期:2017-06-26
  • Air conditioning without the AC
    Mater. Today (IF 21.695) Pub Date : 2017-06-24
    David Bradley

    更新日期:2017-06-26
  • Radical approach gets polymerization just right
    Mater. Today (IF 21.695) Pub Date : 2017-06-24
    Cordelia Sealy

    更新日期:2017-06-26
  • Iron's cool orange glow
    Mater. Today (IF 21.695) Pub Date : 2017-06-24
    David Bradley

    更新日期:2017-06-26
  • 100 years public–private partnership in metallurgical and materials science research
    Mater. Today (IF 21.695) Pub Date : 2017-03-31
    Dierk Raabe, Gerhard Dehm, Jörg Neugebauer, Michael Rohwerder

    更新日期:2017-06-26
  • Are we a step closer to 3D printed carbon nanotube composites?
    Mater. Today (IF 21.695) Pub Date : 2017-05-18
    Laurie Winkless

    更新日期:2017-06-26
  • Dopants go against the grain in ceramics
    Mater. Today (IF 21.695) Pub Date : 2017-05-22
    Cordelia Sealy

    更新日期:2017-06-26
  • Turning digestive gases into carbon nanomaterials
    Mater. Today (IF 21.695) Pub Date : 2017-05-24
    Laurie Winkless

    更新日期:2017-06-26
  • Bleach-free spin cycle
    Mater. Today (IF 21.695) Pub Date : 2017-05-24
    David Bradley

    更新日期:2017-06-26
  • Solar-powered carbon reduction
    Mater. Today (IF 21.695) Pub Date : 2017-05-24
    David Bradley

    更新日期:2017-06-26
  • Don’t sweat the waterproof breathables market
    Mater. Today (IF 21.695) Pub Date : 2017-05-24
    David Bradley

    更新日期:2017-06-26
  • Single-atom memory maintains Moore's Law
    Mater. Today (IF 21.695) Pub Date : 2017-05-24
    David Bradley

    更新日期:2017-06-26
  • Now the plastic twain shall meet
    Mater. Today (IF 21.695) Pub Date : 2017-05-24
    David Bradley

    更新日期:2017-06-26
  • Dopants go against the grain in ceramics
    Mater. Today (IF 21.695) Pub Date : 2017-05-24
    Cordelia Sealy

    更新日期:2017-06-26
  • Air of success for CNT thin-film transistors
    Mater. Today (IF 21.695) Pub Date : 2017-05-24
    Cordelia Sealy

    更新日期:2017-06-26
  • Solar fuels given boost by materials discovery
    Mater. Today (IF 21.695) Pub Date : 2017-05-25
    Laurie Donaldson

    更新日期:2017-06-26
  • Improving sodium–metal sulfide batteries
    Mater. Today (IF 21.695) Pub Date : 2017-05-25
    Laurie Donaldson

    更新日期:2017-06-26
  • Biocompatible energy storage device that runs on body fluids
    Mater. Today (IF 21.695) Pub Date : 2017-05-25
    Laurie Winkless

    更新日期:2017-06-26
  • Fishing bacteria with a nanonet
    Mater. Today (IF 21.695) Pub Date : 2017-06-09
    F. De Cesare, E. Di Mattia, A. Macagnano

    更新日期:2017-06-26
  • Thin nano-coating acts as superconductor
    Mater. Today (IF 21.695) Pub Date : 2017-06-16
    Laurie Donaldson

    更新日期:2017-06-26
  • Making capacitors and capturing carbon dioxide… using Coca Cola®
    Mater. Today (IF 21.695) Pub Date : 2017-06-16
    Laurie Winkless

    更新日期:2017-06-26
  • Events
    Mater. Today (IF 21.695) Pub Date : 2017-06-22

    更新日期:2017-06-26
  • Inspired by fish: designing a high-performance, flexible armour
    Mater. Today (IF 21.695) Pub Date : 2017-06-24
    Laurie Winkless

    更新日期:2017-06-26
  • Toward a molecular design of porous carbon materials
    Mater. Today (IF 21.695) Pub Date : 
    Lars Borchardt, Qi-Long Zhu, Mirian E. Casco, Reinhard Berger, Xiaodong Zhuang, Stefan Kaskel, Xinliang Feng, Qiang Xu
    更新日期:2017-06-26
  • Universal secondary relaxation and unusual brittle-to-ductile transition in metallic glasses
    Mater. Today (IF 21.695) Pub Date : 
    Q. Wang, J.J. Liu, Y.F. Ye, T.T. Liu, S. Wang, C.T. Liu, J. Lu, Y. Yang
    更新日期:2017-06-25
  • Exploring metal organic frameworks for energy storage in batteries and supercapacitors
    Mater. Today (IF 21.695) Pub Date : 2017-06-08
    Guiyin Xu, Ping Nie, Hui Dou, Bing Ding, Laiyang Li, Xiaogang Zhang

    High energy density batteries and high power density supercapacitors have attracted much attention because they are crucial to the power supply of future portable electronic devices, electric automobiles, unmanned aerial vehicles, etc. The electrode materials are key components for batteries and supercapacitors, which influence the practical energy and power density. Metal-organic frameworks possessing unique morphology, high specific surface area, functional linkers, and metal sites are excellent electrode materials for electrochemical energy storage devices. Herein, we review and comment on recent progress in metal-organic framework-based lithium-ion batteries, sodium-ion batteries, lithium-air batteries, lithium-sulfur/selenium batteries, and supercapacitors. Future perspectives and directions of metal-organic framework-based electrochemical energy storage devices are put forward on the basis of theoretical knowledge from the reported literature and our experimental experience.

    更新日期:2017-06-08
  • The current status of biodegradable stent to treat benign luminal disease
    Mater. Today (IF 21.695) Pub Date : 2017-05-30
    Yueqi Zhu, Kai Yang, Ruoyu Cheng, Yi Xiang, Tianwen Yuan, Bruno Sarmento, Yingsheng Cheng, Wenguo Cui
    更新日期:2017-05-31
  • Broadly tunable metal halide perovskites for solid-state light-emission applications
    Mater. Today (IF 21.695) Pub Date : 2017-05-30
    Sampson Adjokatse, Hong-Hua Fang, Maria Antonietta Loi

    The past two years have witnessed heightened interest in metal-halide perovskites as promising optoelectronic materials for solid-state light emitting applications beyond photovoltaics. Metal-halide perovskites are low-cost solution-processable materials with excellent intrinsic properties such as broad tunability of bandgap, defect tolerance, high photoluminescence quantum efficiency and high emission color purity (narrow full-width at half maximum). In this review, the photophysical properties of hybrid perovskites, which relates with light-emission, such as broad tunability, nature of the recombination processes and quantum efficiency are examined. The prospects of hybrid perovskite light-emitting diodes and lasers, and their key challenges are also discussed.

    更新日期:2017-05-31
Some contents have been Reproduced with permission of the American Chemical Society.
Some contents have been Reproduced by permission of The Royal Society of Chemistry.
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