共轭体系
聚合物
可见光谱
波长
光化学
材料科学
光电子学
化学工程
化学
纳米技术
有机化学
工程类
作者
Fengxuan Zhang,L. F. Liu,Yizheng Chen,Guanhui Liu,Xujie Hu,Nailiang Wang,Bei Long,Guo‐Jun Deng,Ting Song
标识
DOI:10.1016/j.jcis.2024.05.116
摘要
The diversity of catalytic products determines the difficulty of selective product modulation, which usually relies on adjusting the catalyst and reaction conditions to obtain different main products selectively. Herein, we synthesized D-π-A-D conjugated organic polymers (TH-COP) using cyclotriphosphonitrile, alkyne, 2H-benzimidazole, and sulfur units as electron donors, π bridges, electron acceptors, and electron donors, respectively. TH-COP exhibited excellent photoinduced carrier separation and redox ability under different visible light wavelengths, and the main products of its CO2 reduction are CH4 (1000.0 μmol g−1) and CO (837.0 μmol g−1) under 400–420 nm and 420–560 nm, respectively. In addition, TH-COP could completely convert phenylmethyl sulfide to methyl phenyl sulfone at 400–420 nm and diphenyl disulfide at 480–485 nm in yields up to 95 %. This study presents a novel strategy for the targeted fabrication of various main products using conjugated polymers by simply changing the wavelength range of visible light.
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