期刊
FUNCTIONAL MATERIALS LETTERS
卷 12, 期 6, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1793604719500863
关键词
Mesoporous g-C3N4; TiO2 nanoparticles; carbon quantum dots; photocatalysis; gaseous benzene
资金
- National Key R&D Program of China [2016YB0303900]
Mesoporous g-C3N4 is prepared by a hard template method and is then decorated by carbon quantum dots (CQDs) and TiO2 nanoparticles through an impregnation route followed by a hydrothermal method. The synthesized hybrids possess higher specific surface area up to 131 cm(2)/g and show effective absorption of visible light range and improved instantaneous photocurrent response, which reveals the enhanced photo-generated carrier separation efficiency. The first-order kinetic reaction rate constant of photocatalytic degradation of gaseous benzene by TCPCN-2 is 5.5 times of the bulk g-C3N4. Its degradation rate is up to 96.08% with good photocatalytic stability. Thus, the TiO2 nanoparticles and CQDs co-decorated g-C3N4 hybrids are promising photocatalysts.
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