β-PbO2/TiO2纳米管电极的制备及其电催化降解苯酚

doi:10.3724/SP.J.1095.2014.30559

摘要/Abstract

摘要： 采用阳极氧化法和脉冲电沉积制备出β-PbO2改性TiO2纳米管(β-PbO2/TiO2-NTs)电极，通过扫描电子显微镜(SEM)、X射线衍射(XRD)和X射线光电子能谱(XPS)等技术手段对制备的β-PbO2/TiO2-NTs电极的表面形貌和结构进行了表征。结果表明，该方法成功地将β-PbO2纳米颗粒分散在TiO2纳米管中,通过电催化降解苯酚评价了β-PbO2/TiO2-NTs电极的电催化活性,实验结果表明，在TiO2-NTs中电沉积β-PbO2提高了电极的电催化活性，对苯酚的降解达到83%。

关键词: TiO2纳米管, 脉冲电沉积, &, beta, -PbO2, 电催, 苯酚

Abstract: The β-PbO2/TiO2 nanotubes(β-PbO2/TiO2-NTs) electrode was prepared using the anodic oxidation method and pulsed electrochemical deposition(PED). The properties of β-PbO2/TiO2-NTs electrode were characterized by scanning electron microscopy(SEM), X-ray diffraction(XRD) and X-ray photoelectron spectroscopy(XPS). The results indicate that β-PbO2 nanoparticles are successfully dispersed inside the TiO2 nanotubes. The degradation of phenol was carried out to test the electrocatalytic performance of the β-PbO2/TiO2-NTs electrode, which indicated that the β-PbO2/TiO2-NTs electrode had high electrocatalytic activities and the COD removal rate of phenol reached up to 83%.

Key words: TiO2 nanotubes, pulsed electrochemical deposition, &, beta, -PbO2, electrocatalysis, phenol

中图分类号:

O643

洪萍, 王凤武, 徐迈, 魏琳, 方文彦, 魏亦军, 朱传高. β-PbO₂/TiO₂纳米管电极的制备及其电催化降解苯酚[J]. 应用化学, DOI: 10.3724/SP.J.1095.2014.30559.

HONG Ping1, WANG Fengwu1*, XU Mai2, WEI Lin3, FANG Wenyan2, WEI Yijun2, ZHU Chuangao2. Preparation of β-PbO₂/TiO₂ Nanotube Array Electrode and Electrocatalysis Degradation of Phenol[J]. Chinese Journal of Applied Chemistry, DOI: 10.3724/SP.J.1095.2014.30559.

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β-PbO₂/TiO₂纳米管电极的制备及其电催化降解苯酚

Preparation of β-PbO₂/TiO₂ Nanotube Array Electrode and Electrocatalysis Degradation of Phenol

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