碳纳米管/纳米TiO2-聚苯胺复合膜电极的电化学制备及表征

碳纳米管/纳米TiO₂-聚苯胺复合膜电极的电化学制备及表征

陈忠平¹，²，褚道葆²，陈君华¹，过家好¹，尹晓娟²，吴何珍²，³

1．　安徽科技学院理学院，　　安徽省凤阳 233100； 2. 安徽师范大学化学与材料科学学院, 　安徽省芜湖 241000;3. 安庆职业技术学院生化工程系, 　安徽省安庆 246003

收稿日期:2006-07-14 修回日期:1900-01-01 出版日期:2007-03-26 发布日期:2007-03-26
通讯作者: 陈忠平

Electrochemical Preparation and Characterization of Carbon Nanotube/nanocrystalline TiO₂-Polyaniline Complex Film Electrode

CHEN Zhongping¹,²， CHU Daobao²， CHEN Junhua¹， GUO Jiahao¹， YIN Xiaojuan²， WU Hezhen²,³

1. College of Sciences, Anhui Science and Technology University, Fengyang 233100, Anhui Province, China； 2. College of Chemistry and Materials Science， Anhui Normal University, Wuhu241000, Anhui Province, China； 3. Department of Biochemisty Engineering, Anqing Vocational Technology College, Anqing 246003, Anhui Province, China

Received:2006-07-14 Revised:1900-01-01 Online:2007-03-26 Published:2007-03-26
Contact: CHEN Zhongping

摘要/Abstract

摘要： 在含有0.2 mol/L苯胺的0.5 mol/L　H₂SO₄溶液中，采用循环伏安法(CV)，以扫描速度50 mV/s, 扫描电位-0.1~0.9 V，在碳纳米管/纳米TiO₂(CNT/nanoTiO₂)膜电极上实现了苯胺的电化学聚合，用电化学阻抗谱（EIS）和CV法对制备的碳纳米管/纳米TiO₂聚苯胺(CNT/nanoTiO₂PAn)复合膜电极的电化学性质进行了表征，从扫描电镜对膜层的微观形貌观察发现，这种在纳米基体上聚合得到的聚苯胺膜层呈疏松、多孔的纳米纤维网状结构，同时具有良好的导电性，不同于在普通金属基体上聚合得到的颗粒状聚苯胺膜.

关键词: 聚苯胺, 电化学聚合, 碳纳米管/纳米TiO₂复合膜, 电化学阻抗谱

Abstract: Polymerization of aniline on a carbon nanotube/nanocrystalline TiO₂ (CNT/nanoTiO₂) film electrode was achieved in 0.5 mol/L sulfuric acid including 0.2　mol/L aniline at scanning voltage －0.1~0.9 Vand a scanning rate of 50 mV/s, and electrochemical properties and struture of carbon nanotube/nanocrystallineTiO₂) polyaniline (CNT/nanoTiO₂) PAn) complex film were characterized by cycl ic voltammetry, electrochemical impedance spectra (EIS) and SEM. The results show that the CNT/nanoTiO₂)-PAn complex film preparated has a loose，porous， nano-fibrous structure and a good electrical conductivity.

Key words: polyaniline, electrochemical polymerization, carbon nanotubes/nanocrystalline TiO₂ complex film, electrochemical impedance spectra

中图分类号:

O646

陈忠平，，褚道葆，陈君华，过家好，尹晓娟，吴何珍，. 碳纳米管/纳米TiO₂-聚苯胺复合膜电极的电化学制备及表征[J]. J4, 2007, 45(02): 288-292.

CHEN Zhongping,， CHU Daobao， CHEN Junhua， GUO Jiahao， YIN Xiaojuan， WU Hezhen,. Electrochemical Preparation and Characterization of Carbon Nanotube/nanocrystalline TiO₂-Polyaniline Complex Film Electrode[J]. J4, 2007, 45(02): 288-292.

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碳纳米管/纳米TiO₂-聚苯胺复合膜电极的电化学制备及表征

Electrochemical Preparation and Characterization of Carbon Nanotube/nanocrystalline TiO₂-Polyaniline Complex Film Electrode

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