期刊
MATERIALS RESEARCH BULLETIN
卷 55, 期 -, 页码 196-204出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2014.04.023
关键词
Composites; Nanostructures; Semiconductors; Catalytic properties
资金
- National Natural Science Foundation of China [21173131]
- Taishan Solar Project of Shandong Province
New BiOI/Zn2SnO4 p-n heterojunction photocatalysts were prepared by anchoring n-type Zn2SnO4 nanoparticles on p-type BiOI plates. The physicochemical characteristics of the catalysts were studied by X-ray powder diffraction pattern (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectra (XPS), Ultraviolet visible (UV-vis) diffuse reflectance spectroscopy (DRS), nitrogen adsorption-desorption, and photoelectrochemistry measurement. The as-prepared catalysts exhibited excellent photocatalytic activity for the decomposition of methyl orange (MO) under visible light irradiation. The enhanced photocatalytic performance of BiOI/Zn2SnO4 was not only attributed to the matched band potentials but also the interconnected heterojunction of BiOI and Zn2SnO4 nanoparticles. (C) 2014 Elsevier Ltd. All rights reserved.
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