Journal
NANOSCALE
Volume 4, Issue 2, Pages 613-620Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1nr11411e
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Funding
- National Natural Science Foundation of China [21074134]
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
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Owing to their extensive practical applications and fundamental importance, the controllable synthesis of well-faceted anatase TiO2 crystal with high percentage of reactive facets has attracted increasing attention. Here, nano-sized anatase TiO2 sheets mainly dominated by {001} facets had been prepared on graphene sheets by using a facile solvothermal synthetic route. The percentage of {001} facets in TiO2 nanosheets was calculated to be ca. 64%. The morphologies, structural properties, growth procedures and photocatalytic activities of the resultant TiO2/graphene nanocomposites were investigated. In comparison with commercial P25 and pure TiO2 nanosheets, the composite exhibited significant improvement in photocatalytic degradation of the azo dye Rhodamine B under visible light irradiation. The enhancement of photocatalytic activity and stability was attributed to the effective charge anti-recombination of graphene and the high catalytic activity of {001} facets.
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