Graphene-modified TiO2 nanosheet composites with 0.2–2.0 wt% graphene, prepared by a microwave-hydrothermal method, exhibit an enhanced photocatalytic H2-production activity.
This work shows the possibility that low cost graphene sheets as a substitute for noble metals (e.g. Pt) could be used in the photocatalytic production of hydrogen. The results also demonstrate significant enhancement in the H2-production activity by using metal-free carbon material as an effective co-catalyst.
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Enhanced photocatalytic H2-production activity of graphene-modified titania nanosheets
Quanjun Xiang, Jiaguo Yu and Mietek Jaroniec
Nanoscale, 2011, DOI: 10.1039/C1NR10610D
