A new nickel substituted silicotungstate ([Ni₄(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 H₂ evolution was 239 μmol h⁻¹, corresponding to a turnover frequency of 28 h⁻¹. Further results suggested that a reductive process was dominant in the present system for fluorescein sodium, and the production of H₂ came from water splitting.

在温和的条件下，由NiCl ₂和Na ₁₀ SiW ₉ O _34生成了一种新的镍取代的硅钨酸盐（[Ni ₄（H ₂ O）₂（SiW ₁₀ O ₃₈）₂ ] ⁸⁻，Ni ₂ SiW ₁₀）。分别用作荧光素钠和三乙醇胺作为光敏剂和牺牲电子给体的水分解过程中，它被用作无碳均相催化剂，以有效地产生可见光诱导的氢气。H ₂析出的初始速率为239μmolh ^-1，对应于28 h ^-1的周转频率。进一步的结果表明，在目前的荧光素钠体系中，还原过程占主导地位，H _2的产生来自于水的分解。