期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 36, 页码 12777-12784出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201602141
关键词
electron transfer; layered compounds; nanostructures; photocatalysis; photoluminescence
资金
- Ministry of Science and Technology of the Republic of China [MOST 104-2112M-110-005]
We exploit the utilization of two-dimensional (2D) molybdenum oxide nanoflakes as a co-catalyst for ZnO nanorods (NRs) to enhance their photocatalytic performance. The 2D nanoflakes of orthorhombic alpha-MoO3 were synthesized through a sonication-aided exfoliation technique. The 2D MoO3 nanoflakes can be further converted to substoichiometric quasi-metallic MoO3-x by using UV irradiation. Subsequently, 1D-2D MoO3/ZnO NR and MoO3-x/ZnO NR composite photocatalysts have been successfully synthesized. The photocatalytic performances of the novel nanosystems in the decomposition of methylene blue are studied by using UV- and visible-illumination setup. The incorporated 2D nanoflakes show a positive influence on the photocatalytic activity of the ZnO. The obtained rate constant values follow the order of pristine ZnO NR
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