Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 356, Issue -, Pages 451-456Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2018.01.031
Keywords
Hydrogen; Photocatalysis; Water splitting; Biofuels; Polyol; Sugar
Categories
Funding
- ESPRC
- UK Catalysis Hub
- EPSRC [EP/K014706/1, EP/K014668/1, EP/K014854/1EP/K014714/1, EP/M013219/1]
- European Commission [309846]
- Engineering and Physical Sciences Research Council [EP/K014706/1, EP/K014668/1, EP/M013219/1, EP/K014854/1] Funding Source: researchfish
- EPSRC [EP/K014854/1] Funding Source: UKRI
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We have studied hydrogen gas production using photocatalysis from C2-C5 carbon chain polyols, cyclic alcohols and mono and di-saccharides using palladium nanoparticles supported on a TiO2 catalyst. For many of the polyols the hydrogen evolution rate is found to be dictated by the number of hydroxyl groups and available alpha-hydrogens in the structure. However the rule only applies to polyols and cyclic alcohols, while the sugar activity is limited by the bulky structure of those molecules. There was also evidence of ring opening in photocatalytic reforming of cyclic alcohols that involved dehydrogenation and decarbonylation of alpha C-C bond. (C) 2018 The Authors. Published by Elsevier B.V.
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