期刊
ADVANCED MATERIALS
卷 27, 期 48, 页码 7986-7991出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201503606
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资金
- National Key Basic Research Program of China [2011CB932700, 2013CBA01603]
- National Natural Science Foundation of China [51072223, 51272279]
- Solar Energy Materials and Devices Group of the Renewable Energy Laboratory, Institute of Physics, Chinese Academy of Sciences
Bipolar carrier transfer channels exist in the in situ epitaxial-graphene-wrapped 6H-SiC core shell heterojunction due to the self-doping of graphene. Due to the special interface structure and high graphene quality, this material exhibits significant photocatalytic enhancement. Its hydrogen evolution efficiency is greater than that of the Pt/SiC composite. This micrometer-sized metal-free photocatalyst exhibits an activity comparable to that of metal-based nanophotocatalysts.
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