UKCCSRC - Carbon Capture & Storage (CCS) Photo-catalytic conversion of oxygenated hydrocarbons to hydrogen over heteroatom-doped TiO2 catalysts

Here we report a sustainable process for photo-induced hydrogen production from aqueous solutions of oxygenated hydrocarbons. Doping N and B into TiO2 noticeably improves its activity for hydrogen production. The addition of oxygenated hydrocarbons into water serves both as a hydrogensource and as an electron donor, which substantially enhances hydrogen production as compared with that for the photo-catalytic splitting of pure water. Other biomass-derived compounds such as glucose and sucrose are also shown to have potential for hydrogen production by this photo-catalytic conversion.

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The UK Carbon Capture and Storage Research Community (UKCCSRC) is supported by the Engineering and Physical Sciences Research Council (EPSRC) as part of the UK Research and Innovation (UKRI) Energy Programme.