期刊
NANOSCALE RESEARCH LETTERS
卷 12, 期 -, 页码 -出版社
SPRINGEROPEN
DOI: 10.1186/s11671-017-2233-3
关键词
ZnO; In2O3; Heterostructures; Photocatalytic efficiency
资金
- National Natural Science Foundation of China [51502081]
- Basic and Frontier Research Programs of Henan Province [152300410088]
In2O3 nanoparticles hybrid twins hexagonal disk (THD) ZnO with different ratios were fabricated by a hydrothermal method. The as-obtained ZnO/In2O3 composites are constituted by hexagonal disks ZnO with diameters of about 1 mu m and In2O3 nanoparticles with sizes of about 20-50 nm. With the increase of In2O3 content in ZnO/In2O3 composites, the absorption band edges of samples shifted from UV to visible light region. Compared with pure ZnO, the ZnO/In2O3 composites show enhanced photocatalytic activities for degradation of methyl orange ( MO) and 4-nitrophenol (4-NP) under solar light irradiation. Due to suitable alignment of their energy band-gap structure of the In2O3 and ZnO, the formation of type. heterostructure can enhance efficient separation of photo-generate electro-hole pairs and provides convenient carrier transfer paths.
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