Journal
RSC ADVANCES
Volume 5, Issue 33, Pages 26328-26334Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra15819a
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Funding
- National Natural Science Foundation of China [41376126]
- Hundreds-Talent Program of the Chinese Academy of Sciences [Y02616101L]
- China Postdoctoral Science Foundation [2014M551968]
- Postdoctoral Innovation Project of Shandong Province [201402041]
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The hydrogenation of graphene oxide (GO)-TiO2 composites with a quasi-shell-core structure was performed in the temperature range of 250-550 degrees C. All the synthetic hybrid materials displayed enhanced photocatalytic performances and the highest photoactivity was obtained by the hybrid material prepared at 450 degrees C due to the formation of a p-n junction and appropriate charge mobility. The semiconductor behaviour of the resultant reduced graphene oxide (RGO) in the composites had a crossover from p-type to n-type when the hydrogenated temperature increased from 450 degrees C to 550 degrees C.
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