BiOI thin film via chemical vapor transport: Photocatalytic activity, durability, selectivity and mechanism
BiOI thin film via chemical vapor transport: Photocatalytic activity, durability, selectivity and mechanism
复制标题
通过化学气相传输的 BiOI 薄膜:光催化活性、耐久性、选择性和机理
DOI:
10.1016/j.apcatb.2012.10.011
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发表时间:
2013-02
期刊:
影响因子:
--
通讯作者:
Zan, Ling
中科院分区:
文献类型:
--
作者:
Ye, Liqun;Chen, Junnian;Tian, Lihong;Liu, Jinyan;Peng, Tianyou;Deng, Kejian;Zan, Ling
BiOI thin film (BiOI TF) was prepared via a low temperature chemical vapor transport (CVT) route for the first time, and characterized by X-ray diffraction, X-ray photoelectron spectroscopy, field emission scanning electron microscopy, transmission electron microscopy, high-resolution transmission electron microscopy, fast-Fourier transform pattern and UV–vis diffuse reflectance. As-synthesized BiOI thin film was composed of high symmetrical BiOI nanosheets with dominant exposed {001} facets. It displayed better photocatalytic activity, durability and selectivity than benchmark P25 TiO2thin film and the origin come from the layered structure and good photoelectrochemical performance, CVT immobilization, the 100% terminal oxygen atoms of {001} facets, respectively. At end, the photocatalytic mechanism with O2−production was studied.
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