Abstract
The visible light photocatalytic H2 evolution activities of a series of transition-metal substituted Keggin-structure heteropoly blues K6SiW11O39M(H2O)·nH2O (M = Co, Ni, Cu and Zn) were systematically studied with Pt nanoparticles as co-catalyst. The H2 evolution rates were 150, 98, 65 and 48 μmol h−1g−1 for SiW11Cu, SiW11Ni, SiW11Co and SiW11Zn, respectively, meaning that the order of photocatalytic activity of these heteropoly blues from transition-metal substituted polyoxometalates was: SiW11Cu > SiW11Ni > SiW11Co > SiW11Zn. The catalysts could be efficiently reused for at least 5 cycles.
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Wang, Z., Lu, Y., Li, Y. et al. Visible-light photocatalytic H2 evolution over a series of transition metal substituted Keggin-structure heteropoly blues. Chin. Sci. Bull. 57, 2265–2268 (2012). https://doi.org/10.1007/s11434-012-5050-1
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DOI: https://doi.org/10.1007/s11434-012-5050-1