3篇
您的检索式：作者名="Deng Pengyang"
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| 1 | Preparation and physical properties of enhanced radiation induced crosslinking of ethylene-vinyl alcohol copolymer (EVOH)显示文摘 | Deng Pengyang Liu Meihua Zhang Wanxi | 2007 | Nuclear Instruments and Methods in Physics Research (B)2007，258，： | 1 |
| 2 | Effects of radiation-induced crosslinking on thermal and mechanical properties of poly(lactic acid) composites reinforced by basalt fiber显示文摘 | LIU Meihua YIN Yuan WEI Wei ZHENG Chunbai SHEN Shirley DENG Pengyang ZHANG Wanxi | 2013 | Nuclear Science and Techniques2013，24，B12： | 1 |
| 3 | A simple strategy to simultaneously improve the lifetime and activity of classical iridium complex for photocatalytic water-splitting显示文摘Herein,we design and synthesize a series of oligomers[Ir(ppy)2(dabpy)-ODPA]n(D1-n)by copolymerization of[Ir(ppy)2(dabpy)][PF6](D2)with 4,4′-Oxydiphthalic anhydride(ODPA),to resolve the problem of simultaneous improvement of sta-bility and activity of classical iridium complex for photocatalytic water-splitting.Fourier-transform infrared spectroscopy,X-ray photoelectron spectroscopy,solid-state nuclear magnetic resonance,and gel permeation chromatography results indicate that the degree of polymerization(n)of D1-n could be tuned by the syn-thesis method.The best photocatalytic performance is reached by D1-n with n at of 2 and/or 3(D1-2/3),which exhibits a photocatalytic lifetime up to 676 h and a photocatalytic hydrogen evolution of 162055.1 Compared with classicalμmol⋅g-1.iridium complex D2,the photocatalytic lifetime of D1-2/3 is about 38 times longer and the photocatalytic activity is 1.3 times higher.Further increase of n leads to a decrease in both photocatalytic lifetime and activity.According to the spectro-scopic characterizations,photoelectrochemical experiments,and density functional theory calculation,the significantly enhanced photocatalytic performance of D1-2/3 originates from the oligomeric structure.The oligomer chain of D1-2/3 with suit-able length acts as a large steric hindrance to reduce the undesired photoinduced decomposition and prolong its lifetime.The possible coupling of adjacent Ir com-plexes in D1-2/3 lowers the energy gap and increases the utilization of visible light,which overcomes the adverse effect of large steric hindrance andfinally improve the activity.This workfirst provides a simple strategy for constructing oligomeric Ir photosensitizers to simultaneously achieve long lifetime and high activity,it will lay the foundation for the design of highly efficient photosensitizers in the future. | Yifan Huang Yue Wang Shuang Chen Jian Gao Ying Wang Yifan Zhang Pengyang Deng | 2023 | Aggregate2023，4，4： | 0 |
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