Nickel-complexes with a mixed-donor ligand for photocatalytic hydrogen evolution from aqueous solutions under visible light

被引:35
作者
Han, Jianyu [1 ,2 ]
Zhang, Wei [1 ]
Zhou, Tianhua [1 ]
Wang, Xin [1 ]
Xu, Rong [1 ]
机构
[1] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637459, Singapore
[2] Nanyang Technol Univ, Energy Res Inst NTU, Singapore 637553, Singapore
关键词
H-2; PRODUCTION; WATER; TRINUCLEAR; CATALYST; REDUCTION; FE;
D O I
10.1039/c2ra21422a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Increasing interest has been paid to the development of earth-abundant photocatalyst systems for production of hydrogen from water. In this work, we, for the first time, investigated the photocatalytic activities of complexes formed between beta-mecaptoethylamine (L) and Ni(II), NiL2, and the trinuclear complex, Ni(NiL2)(2)(2+), with a mixed S and N donor environment. Both complexes were found to be active catalysts for hydrogen evolution in aqueous solutions. In particular, a high quantum efficiency of 30.9 % at 480 nm was obtained over NiL2 when Erythrosin yellowish was used as the photosensitizer.
引用
收藏
页码:8293 / 8296
页数:4
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