KI/H2O2 assisted synthesis and the changed properties of BiOCl photocatalysts

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作者：
机构：
[1] Mao, Xiaoming
[2] Li, Xiuli
[3] Wang, Yawen
[4] Fan, Caimei
[5] Zhang, Hui
来源：
Fan, C. (fancm@163.com) | 1600年 / Elsevier B.V., Netherlands卷 / 247期
关键词：
BiOCl photocatalysts with changed properties were synthesized successfully at room temperature through the design of synthetic route and the addition of KI or KI/H2O2. The properties of obtained BiOCl samples showed a certain difference in crystallinity; morphology; structure; specific surface area; composition; band gap energy and exterior color. These BiOCl photocatalysts exhibited excellent visible-light-induced photocatalytic activities towards the degradation of phenol in aqueous solution; and also exhibited good photocatalytic activity for the degradation of methylene orange (MO) and rhodamine B (RhB). The formation process of the BiOCl samples and the photocatalytic degradation mechanism of phenol were explored; and the relationship between the structure and performance was established. In addition; the photochemical stability of BiOCl samples was also investigated. The results showed that the as-prepared BiOCl exhibited excellent visible-light-induced photocatalytic activity; and the preparation method was simple and convenient for practical applications. © 2014 Elsevier B.V;
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