催化作用
化学
选择性
可见光谱
光催化
化学工程
作者
Dongcheng Liu,Hai‐Hua Huang,Jiawei Wang,Long Jiang,Di‐Chang Zhong,Tong‐Bu Lu
出处
期刊:Chemcatchem
[Wiley]
日期:2018-07-11
卷期号:10 (16): 3435-3440
被引量:26
标识
DOI:10.1002/cctc.201800727
摘要
Abstract The photochemical reduction of CO 2 to chemical resources has displayed the promise to solve energy and environmental problems. To facilitate this reaction, a considerable challenge is to design not only highly efficient and selective, but also economic catalysts. In this study, we report a homogeneous catalyst, [CoL 1 (CH 3 CN)](ClO 4 ) 2 ( 1 , L 1 =Tris[2‐( iso ‐propylamino)ethyl]amine) which displays high activity and selectivity for CO 2 reduction to CO driven by visible light in a water‐containing system, with turnover numbers (TON CO ) and turnover frequencies (TOF), and CO selectivity values of 44800, 1.24 s −1 and 97 %, respectively. The excellent performances of 1 for the photocatalytic CO 2 ‐to‐CO conversion is confirmed by control experiments and its catalytic mechanism is corroborated by DFT calculations.
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