沈阳化工大学学报 ›› 2024, Vol. 38 ›› Issue (2): 119-126.doi: 10.3969/j.issn.2095-2198.2024.02.005
Fe3+掺杂Bi3NbO7催化剂可见光降解碱性品红
沈阳化工大学 化学工程学院， 辽宁 沈阳 110142
Degradation of Basic Fuchsine under Visible-Light on Fe3+ Doped Bi3NbO7
Shenyang University of Chemical Technology, Shenyang 110142, China
摘要：
采用共沉淀法制备了Fe3+掺杂Bi3NbO7催化剂，并利用XRD、SEM、TEM和BET对制备的样品进行表征.结果表明：制备的Fe3+掺杂Bi3NbO7晶相单一，Fe3+进入了Bi3NbO7的晶格，呈现四方体和片状两种形状.可见光下对碱性品红染料降解测试结果显示：在碱性品红质量浓度为5 mg/L、催化剂添加量为1 g/L的条件下，光照240 min后碱性品红的降解率达到94.7%.光催化反应过程中，·OH和·O-2是主要的活性基团，反应过程中吸附起到一定的影响.Fe3+掺杂Bi3NbO7含有一定量的氧空位，有利于提高光催化活性.
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