Advanced Functional Materials

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Atomically Thin MoS2: A Versatile Nongraphene 2D Material
Advanced Functional Materials - Tập 26 Số 13 - Trang 2046-2069 - 2016
Y.P. Venkata Subbaiah, K.J. Saji, Ashutosh Tiwari
Two‐dimensional inorganic materials are emerging as a premiere class of materials for fabricating modern electronic devices. The interest in 2D layered transition metal dichalcogenides is especially high. Particularly, 2D MoS2 is being heavily researched due to its novel functionalities and its suitability for a wide range of electronic and optoelectronic applications. In this article, the progres... hiện toàn bộ
Temperature Responsive Solution Partition of Organic–Inorganic Hybrid Poly(N‐isopropylacrylamide)‐Coated Mesoporous Silica Nanospheres
Advanced Functional Materials - Tập 18 Số 9 - Trang 1390-1398 - 2008
Po‐Wen Chung, Rajeev Kumar, Marek Pruski, Victor S.‐Y. Lin
AbstractA series of poly(N‐isopropylacrylamide)‐coated mesoporous silica nanoparticle materials (PNiPAm‐MSNs) has been synthesized by a surface‐initiated living radical polymerization with a reversible addition–fragmentation chain transfer (RAFT) reaction. The structure and the degree of polymerization of the PNiPAm‐MSNs has been characterized by a variety of techniques, including nitrogen sorptio... hiện toàn bộ
A Highly Efficient Host/Dopant Combination for Blue Organic Electrophosphorescence Devices
Advanced Functional Materials - Tập 18 Số 3 - Trang 485-491 - 2008
Jin‐Ju Lin, Wei‐Shieng Liao, Hsiang‐Jung Huang, Fang‐Iy Wu, Chien‐Hong Cheng
AbstractWe have synthesized a new blue‐emitting iridium complex, FIrpytz (iridium(III) bis(4,6‐difluorophenylpyridinato)‐4‐(pyridin‐2‐yl)‐1,2,3‐triazolate), and two new bis(triphenylsilyl) derivatives, BSB (4,4'‐bis‐triphenylsilanyl‐biphenyl) and BST (4,4″‐bis(triphenylsilanyl)‐(1,1′,4′,1″)‐terphenyl) as hosts for blue phosphorescence devices. The photoluminescence (PL) and electroluminescence (EL... hiện toàn bộ
One‐Step Ionic‐Liquid‐Assisted Electrochemical Synthesis of Ionic‐Liquid‐Functionalized Graphene Sheets Directly from Graphite
Advanced Functional Materials - Tập 18 Số 10 - Trang 1518-1525 - 2008
Na Liu, Fang Luo, Haoxi Wu, Yinghui Liu, Chao Zhang, Ji Chen
AbstractGraphite, inexpensive and available in large quantities, unfortunately does not readily exfoliate to yield individual graphene sheets. Here a mild, one‐step electrochemical approach for the preparation of ionic‐liquid‐functionalized graphite sheets with the assistance of an ionic liquid and water is presented. These ionic‐liquid‐treated graphite sheets can be exfoliated into functionalized... hiện toàn bộ
Fabrication of Electrospinning‐Derived Carbon Nanofiber Webs for the Anode Material of Lithium‐Ion Secondary Batteries
Advanced Functional Materials - Tập 16 Số 18 - Trang 2393-2397 - 2006
C. Kim, Kap Seung Yang, Masato Kojima, K. Yoshida, Y. J. Kim, Yoong Ahm Kim, Morinobu Endo
AbstractA carbon nanofiber‐based electrode, exhibiting a large accessible surface area (derived from the nanometer‐sized fiber diameter), high carbon purity (without binder), relatively high electrical conductivity, structural integrity, thin web macromorphology, a large reversible capacity (ca. 450 mA h g–1), and a relatively linearly inclined voltage profile, is fabricated by nanofiber formation... hiện toàn bộ
Tunable Colors in Opals and Inverse Opal Photonic Crystals
Advanced Functional Materials - Tập 20 Số 16 - Trang 2565-2578 - 2010
Carlos I. Aguirre, E. Reguera, Andreas Stein
AbstractColloidal photonic crystals and materials derived from colloidal crystals can exhibit distinct structural colors that result from incomplete photonic band gaps. Through rational materials design, the colors of such photonic crystals can be tuned reversibly by external physical and chemical stimuli. Such stimuli include solvent and dye infiltration, applied electric or magnetic fields, mech... hiện toàn bộ
Plasmon‐Promoted Electrochemical Oxygen Evolution Catalysis from Gold Decorated MnO2 Nanosheets under Green Light
Advanced Functional Materials - Tập 28 Số 31 - 2018
Jing Xu, Peng Gu, David J. S. Birch, Yu Chen
AbstractThe oxygen evolution reaction (OER) is of great importance for renewable energy conversion and storage; however, the intrinsic process is sluggish and suffers from severe efficiency loss as well as large overpotentials. In this work, with the introduction of the plasmonic effects by design of the Au‐MnO2 hybrid catalysts, it is demonstrated that this photophysical phenomenon could largely ... hiện toàn bộ
Metal‐Ion (Fe, V, Co, and Ni)‐Doped MnO2 Ultrathin Nanosheets Supported on Carbon Fiber Paper for the Oxygen Evolution Reaction
Advanced Functional Materials - Tập 27 Số 44 - 2017
Zhiguo Ye, Li Tao, Guang Ma, Yinghu Dong, Xianliang Zhou
AbstractManganese dioxides (MnO2) are considered one of the most attractive materials as an oxygen evolution reaction (OER) electrode due to its low cost, natural abundance, easy synthesis, and environmental friendliness. Here, metal‐ion (Fe, V, Co, and Ni)‐doped MnO2 ultrathin nanosheets electrodeposited on carbon fiber paper (CFP) are fabricated using a facile anodic co‐electrodeposition method.... hiện toàn bộ
The Energy of Charge‐Transfer States in Electron Donor–Acceptor Blends: Insight into the Energy Losses in Organic Solar Cells
Advanced Functional Materials - Tập 19 Số 12 - Trang 1939-1948 - 2009
Dirk Veldman, Stefan C. J. Meskers, René A. J. Janssen
AbstractHere, a general experimental method to determine the energy ECT of intermolecular charge‐transfer (CT) states in electron donor–acceptor (D–A) blends from ground state absorption and electrochemical measurements is proposed. This CT energy is calibrated against the photon energy of maximum CT luminescence from selected D–A blends to correct for a constant Coulombic term. It is shown that E... hiện toàn bộ
Simultaneously Achieved High Open‐Circuit Voltage and Efficient Charge Generation by Fine‐Tuning Charge‐Transfer Driving Force in Nonfullerene Polymer Solar Cells
Advanced Functional Materials - Tập 28 Số 6 - 2018
Ailing Tang, Bo Xiao, Yuming Wang, Feng Gao, Keisuke Tajima, Haijun Bin, Zhiguo Zhang, Yongfang Li, Zhixiang Wei, Erjun Zhou
AbstractTo maximize the short‐circuit current density (JSC) and the open circuit voltage (VOC) simultaneously is a highly important but challenging issue in organic solar cells (OSCs). In this study, a benzotriazole‐based p‐type polymer (J61) and three benzotriazole‐based nonfullerene small molecule acceptors (BTA1‐3) are chosen to investigate the energetic driving force for the efficient charge t... hiện toàn bộ
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