Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 18, Issue 52, Pages 16774-16783Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201202372
Keywords
dyes/pigments; graphene; photochemistry; visible light; water splitting
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Funding
- Spanish Ministry of Education
- European Commission
- European Social Fund
- Regione Calabria
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Dye-sensitized graphene oxide is able to generate hydrogen from water/methanol mixtures (80:20) by using visible or solar light. The most efficient photocatalyst tested contained a tris(2,2-bipyridyl) ruthenium(II) complex incorporated in the interlayer spaces of a few layers of graphene oxide with a moderate degree of oxidation. The graphene oxide-based photocatalyst does not contain noble metals and we have determined that it is two orders of magnitude more active than catalysts based on conventional titania.
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