郑浩岩,王敏,杨长秀,何吕,周瑞雪,赵孝明,柳向阳

• 1:沈阳理工大学环境与化工学院

摘要(Abstract)：

采用乙二醇溶胶-凝胶法制备了BiVO4光催化剂样品,并研究了不同煅烧温度对样品的形貌及光催化活性的影响。并采用扫描电子显微镜(SEM)、X射线衍射(XRD)、紫外-可见漫反射光谱(UV-vis)等手段对样品进行表征和分析。在可见光照射下,通过光催化降解甲基橙溶液来评价不同煅烧温度对BiVO4光催化剂活性的影响。结果表明,所制备的材料均为单斜型BiVO4,并且随着煅烧温度的提高,样品的晶粒逐渐长大。当煅烧温度为550℃时,所制备的催化剂禁带宽度最小,表现出较高的催化活性,光照50min对甲基橙的脱色率高达66%左右。

关键词(KeyWords)： 钒酸铋;乙二醇;光催化;甲基橙;溶胶-凝胶

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金青年基金(21207093)

作者(Author): 郑浩岩,王敏,杨长秀,何吕,周瑞雪,赵孝明,柳向阳

DOI: 10.13289/j.issn.1009-6264.2015.s1.005

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