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Fluoric Phenanthrolines and Their Heteroleptic Copper Complexes: Synthesis and Application in Photocatalytic Hydrogen Evolution from Water
Author NameAffiliationE-mail
LIU Xue-Fen Qianjiang college, Hangzhou Normal University, Hangzhou 310018, China  
YU Zhe-Jian State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, China  
XU Liang-Xuan State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, China  
CHEN Hao State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, China  
WANG Tian-Qi State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, China  
YANG Peng Qianjiang college, Hangzhou Normal University, Hangzhou 310018, China yangpenghz@hznu.edu.cn 
LUO Shu-Ping State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Zhejiang University of Technology, Hangzhou 310014, China  
Abstract: A series of novel bidentate ligands of fluoro phenanthrolines were designed and synthesized, which could formulate a series of heteroleptic copper photosensitizers CP1~CP4 with Cu(MeCN)4PF6 and Xantphos as P ligand. The photosensitive activities of this copper complex were researched in water reduction system, and the turnover number (TON) of hydrogen evolution was up to 896. The absorption spectrum and fluorescence emission spectrum of the copper complexes indicated the good stability in solution. The oxidation quenching is the main quenching pathway in water reduction system, which was confirmed by the fluorescence quenching experiments. Moreover, a preliminary explanation and discussion of the structure-activity relationship and the mechanism of photocatalytic hydrogen evolution from water were carried out.
Keywords: N ligands  ligand design  heteroleptic copper complexes  photosensitizer  water splitting  hydrogen evolution
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LIU Xue-Fen,YU Zhe-Jian,XU Liang-Xuan,CHEN Hao,WANG Tian-Qi,YANG Peng,LUO Shu-Ping.Fluoric Phenanthrolines and Their Heteroleptic Copper Complexes: Synthesis and Application in Photocatalytic Hydrogen Evolution from Water[J].Chinese Journal of Inorganic Chemistry,2020,36(11):2023-2030.
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Chinese Journal of Inorganic Chemistry