A new nickel substituted silicotungstate catalyst for efficient visible-light-induced hydrogen production from water splitting

作者：Wu, Weiming; Wu, Xiao-Yuan; Lu, Can-Zhong^*

来源：Catalysis Communications, 2018, 114: 56-59.

DOI：10.1016/j.catcom.2018.06.005

• Polyoxometalate
• Water splitting
• H-2 evolution
• Visible light

A new nickel substituted silicotungstate ([Ni-4(H2O)(2)(SiW10O38)(2)](8-), Ni2SiW10) was builded by NiCl2 and Na10SiW9O34 under mild conditions. It was used as a carbon-free homogeneous catalyst for the efficient visible light-induced hydrogen production from water splitting with fluorescein sodium and triethanolamine as a photosensitizer and sacrificial electron donor, respectively. The initial rate of the H-2 evolution was 239 mu mol h(-1), corresponding to a turnover frequency of 28h(-1). Further results suggested that a reductive process was dominant in the present system for fluorescein sodium, and the production of H-2 came from water splitting.

• 出版日期2018-8
• 单位中国科学院福建物质结构研究所