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Molecular O2 Activation over Cu(I)-Mediated C=N Bond for Low-Temperature CO Oxidation

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成果类型:
期刊论文
作者:
Hu, Siyu;Xiao, Wen;Yang, Weiwei;Yang, Ji;Fang, Yarong;...
通讯作者:
Guo, Yanbing
作者机构:
[Long, Juxia; Zhang, Lizhi; Deng, Hongtao; Luo, Zhu; Yang, Weiwei; Guo, Yanbing; Hu, Siyu; Yang, Ji; Fang, Yarong] Cent China Normal Univ, Coll Chem, Inst Environm & Appl Chem, Key Lab Pesticide & Chem Biol,Minist Educ, Wuhan 430079, Hubei, Peoples R China.
[Ding, Jun; Xiao, Wen] Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore.
通讯机构:
[Guo, Yanbing] C
Cent China Normal Univ, Coll Chem, Inst Environm & Appl Chem, Key Lab Pesticide & Chem Biol,Minist Educ, Wuhan 430079, Hubei, Peoples R China.
语种:
英文
关键词:
CO oxidation;CuTCNQ NWs;DFT calculations;in situ DRIFTS;molecular O2 activation
期刊:
ACS Applied Materials & Interfaces
ISSN:
1944-8244
年:
2018
卷:
10
期:
20
页码:
17167-17174
基金类别:
The authors are grateful for the financial support from the Recruitment Program of Global Young Experts start-up funds, The Program of Introducing Talents of Discipline to Universities of China (111 program, B17019), and the National Natural Science Foundation of China (21777051).
机构署名:
本校为第一且通讯机构
院系归属:
化学学院
摘要:
The activation of molecular oxygen (O2) is extremely crucial in heterogeneous oxidations for various industrial applications. Here, a charge-transfer complex CuTCNQ nanowire (CuTCNQ NW) array grown on the copper foam was first reported to show CO catalytic oxidation activity at a temperature below 200 °C with the activated O2 as an oxidant. The molecular O2 was energetically activated over the Cu(I)-mediated C=N bond with a lower energy of -1.167 eV and preferentially reduced to •O2- through one-electron transfer during the activation process...

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