WO3/N-TiO2 heterostructure with high visible-light-induced photo-catalytic activity for the degradation of methylene blue

doi:10.11894/1005-829x.2016.36(11).078

INDUSTRIAL WATER TREATMENT ›› 2016, Vol. 36 ›› Issue (11): 78-81. doi: 10.11894/1005-829x.2016.36(11).078

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WO₃/N-TiO₂ heterostructure with high visible-light-induced photo-catalytic activity for the degradation of methylene blue

Wang Li, Zhao Hui

Key Laboratory for Advanced Silicon Carbide Materials, Henan Province, Research Center of Functional Materials, Kaifeng University, Kaifeng 475004, China

Received:2016-09-15 Online:2016-11-20 Published:2016-11-22

WO₃/N-TiO₂异质节可见光催化降解亚甲基蓝

王丽, 赵辉

河南省先进碳化硅材料重点实验室, 开封大学功能材料研究中心, 河南开封 475004

作者简介:王丽(1981-),博士,讲师。电话:15037800162,E-mail:wangli@sxicc.ac.cn。
基金资助:
河南省教育厅重点科研项目（16A150035）；开封市科技平台建设计划资助项目（1408001）；开封市基础与前沿技术项目（1508002）

Abstract

Abstract:

Using urea as the nitrogen source,N-doped titania has been prepared by a sol-gel method. Then,it is mixed and ground with ammonium tungstate. Furthermore,the WO₃/N-TiO₂ heterostructure photo-catalytic material is in situ synthetized by a high temperature roasing method. The change of light absorption threshold values of the sample is investigated by means of XRD and UV-Vis. Using methylene blue as degradation substrate,the effect of the visiblelight photo-catalytic treatment on dyeing wastewater of the sample is also investigated. The results show that the in situ synthesized WO₃ and N-doped TiO₂ heterostructure photo-catalytic material exhibits favorable visible-light induced photo-catalytic activity for methylthionine blue.

Key words: TiO₂, N-doped, WO₃, heterostructure, photo-catalysis

摘要：

以尿素为氮源，采用溶胶凝胶法制备N掺杂TiO₂，然后与钨酸铵混合研磨，通过高温焙烧的方法原位制备WO₃复合N掺杂TiO₂的异质节光催化材料。分别采用X射线衍射（XRD）、紫外-可见分光光度计（UV-Vis）对样品进行分析，考察样品的光吸收阈值变化。以亚甲基蓝为降解底物，考察了样品的可见光催化处理染料废水效果，结果表明，原位制备的WO₃和N掺杂TiO₂异质节光催化材料对亚甲基蓝表现出良好的可见光催化活性。

关键词: TiO₂, N掺杂, WO₃, 异质节, 光催化

CLC Number:

X703.5

Wang Li, Zhao Hui. WO₃/N-TiO₂ heterostructure with high visible-light-induced photo-catalytic activity for the degradation of methylene blue[J]. INDUSTRIAL WATER TREATMENT, 2016, 36(11): 78-81.

王丽, 赵辉. WO₃/N-TiO₂异质节可见光催化降解亚甲基蓝[J]. 工业水处理, 2016, 36(11): 78-81.

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WO₃/N-TiO₂ heterostructure with high visible-light-induced photo-catalytic activity for the degradation of methylene blue

WO₃/N-TiO₂异质节可见光催化降解亚甲基蓝

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