上海大学学报(自然科学版) ›› 2010, Vol. 16 ›› Issue (5): 530-535.

• 环境与化学工程 • 上一篇    下一篇

电化学方法制备聚苯胺膜及其表征

  

  1. 1.上海大学 纳米化学与生物学研究所,上海 200444; 2.国家机动车产品质量监督检验中心,上海 201805
  • 收稿日期:2010-06-12 出版日期:2010-10-30 发布日期:2010-10-30
  • 通讯作者: 张海娇(1979~),女,副研究员,博士,研究方向为纳米材料的合成及其在电化学、环境监测等方面的应用. E-mail:hjzhang128@shu.edu.cn
  • 基金资助:

    上海市重点学科建设资助项目(S30109)

Preparation and Characterization of Polyaniline Film by Electrochemical Method

  1. 1. Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, China; 2. National Center of Supervision and Inspection on Motor Vehicle Products Quality, Shanghai 201805, China
  • Received:2010-06-12 Online:2010-10-30 Published:2010-10-30

摘要:

在室温条件下的酸性溶液中,以铜片为电极,采用液体的苯胺单体作为反应剂,通过扫描伏安法制备聚苯胺薄膜.利用循环伏安法(cyclic-voltametry,C-V)、扫描电子显微镜(scanning electron microscope,SEM)、X-射线衍射测试(X-ray diffraction,XRD)等手段对样品进行表征,同时详细考察合成条件对材料性能的影响.结果表明,在苯胺浓度为0.1 mol/L,硫酸浓度为1.0 mol/L,盐酸浓度为0.5 mol/L的混合溶液中,当扫描速度为0.06 V/s时,可获得颗粒尺寸在100 nm 以下且均匀度比较高的聚合物.该聚合物具有良好的氧化还原可逆性.

关键词: 导电聚合物;聚苯胺;循环伏安法;可逆性;扫描速度

Abstract:

Polyaniline films have been synthesized on copper surface in inorganic acid aniline solution under different conditions such as scan rates and acid concentration. The properties of the polymer films were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM). Electrochemical parameters of the films were characterized by cyclic-voltametry (C-V) lines. The results indicate that polyaniline films synthesized in 0.1 mol/L aniline containing 1.0 mol/L sulfuric acid and 0.5 mol/L hydrochloric acid solution, at the ambient temperature and scan rate 0.06 V/s have uniform grain size under 100 nm and exhibit good reversibility.

Key words: conducting polymer; polyaniline (Pani); cyclic voltametry method; reversiblity; scan rate

中图分类号: