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CeO2/BiOI复合材料的制备与光催化性能
作者:马继艳 耿延玲 
单位:(青岛科技大学化学与分子工程学院 山东 青岛 266042) 
关键词:二氧化铈 碘氧化铋 复合材料 光催化 
分类号:O614
出版年,卷(期):页码:2018,46(8):0-0
DOI:
摘要:
以Ce(NO3)3·6H2O为原料,采用煅烧法制备了CeO2。以EDTA为螯合剂,采用水热法制备了不同摩尔比CeO2/BiOI复合光催化剂。利用X射线衍射、扫描电子显微镜、透射电子显微镜、紫外-可见漫反射光谱和光致发光光谱等测试手段对产物的结构、形貌和光吸收性能等进行了表征,并在可见光下,研究了复合光催化剂对亚甲基蓝的光催化降解性能。结果表明:CeO2与BiOI的摩尔比为3:7的复合光催化剂(CB-3)的光催化活性最高,90 min对亚甲基蓝的降解率几乎达到100%。光催化性能的提高主要是由于光生电子空穴对的有效分离。
 
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