工业水处理 ›› 2022, Vol. 42 ›› Issue (2): 130-135. doi: 10.19965/j.cnki.iwt.2021-0546

• 试验研究 • 上一篇    下一篇

ZnO@Zn/TiO2三维阵列材料的制备及光电催化性能研究

关高明(), 邵一鑫, 徐兆柳, 刘丽平, 许伟钦, 蒋辽川()   

  1. 广东第二师范学院化学与材料科学学院,广东 广州 510730
  • 收稿日期:2021-12-15 出版日期:2022-02-20 发布日期:2022-03-15
  • 作者简介:

    关高明(1965— ),讲师。E⁃mail:

    蒋辽川,博士,讲师。E⁃mail:

  • 基金资助:
    广东省自然科学基金(2015A030313841); 广东省教育厅育苗项目(2012LYM_0099); 广州市基础研究计划基础与应用基础研究项目(202102020537); 大学生创新创业训练计划项目(S202014278023)

The preparation and photo-electrocatalytic properties of ZnO@Zn/TiO2 3D array composite

Gaoming GUAN(), Yixin SHAO, Zhaoliu XU, Liping LIU, Weiqin XU, Liaochuan JIANG()   

  1. School of Chemistry and Material Science,Guangdong University of Education,Guangzhou 510730,China
  • Received:2021-12-15 Online:2022-02-20 Published:2022-03-15

摘要:

本研究采用阳极氧化法制备TiO2纳米管阵列(TNTs),并通过方波脉冲电沉积法将Zn单质层沉积到TNTs上,经过表面氧化,成功制得具有三维阵列结构的ZnO@Zn/TNTs纳米复合材料。以场发射电子显微镜(FE-SEM)、透射电镜(TEM)、X-射线衍射仪(XRD)等测试手段研究样品的表面形貌、结构和物相组成;借助各种电化学技术探究ZnO@Zn/TNTs的光电化学性能。测试结果表明ZnO@Zn/TNTs光电催化性能好,对亚甲基蓝的降解率达到86%,其光电催化降解速率常数为TNTs的1.65倍。

关键词: 氧化锌, 二氧化钛, 光电催化, 脉冲沉积法

Abstract:

In this study,TiO2 nanotube arrays(TNTs) were prepared by anodic oxidation method,and Zn layer was deposited on TNTs by square wave pulse electrodeposition method. After surface oxidation,three-dimensional ZnO@Zn/TNTs nanocomposites with array structure were successfully prepared. The surface morphology,structure,and phase composition of the samples were investigated by field emission electron microscopy(FE-SEM),transmission electron microscopy(TEM) and X-ray diffraction(XRD). The electrochemical technology was used to explore the photo-electrochemical properties of ZnO@Zn/TNTs nanocomposites. The experimental results showed that the degradation rate of methylene blue catalyzed by ZnO@Zn/TNTs was 86%,and the rate constant of photo‑electrocatalytic degradation was 1.65 times of that of TNTs.

Key words: ZnO, TiO2, photo?electrocatalysis, pulse deposition method

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