物理化学学报 >> 2004, Vol. 20 >> Issue (05): 454-458.doi: 10.3866/PKU.WHXB20040502

研究论文 上一篇    下一篇

聚苯胺纳米管在阳极氧化铝模板中电聚合的生长机理

董平;周剑章;席燕燕;蔡成东;张彦;邹旭东;黄怀国;吴玲玲;林仲华   

  1. 厦门大学固体表面物理化学国家重点实验室,化学系,物理化学研究所,厦门 361005;厦门紫金科技股份有限公司,厦门 361005;福建紫金矿冶研究所,福建紫金矿业股份有限公司,龙岩 364200
  • 收稿日期:2003-09-25 修回日期:2003-11-13 发布日期:2004-05-15
  • 通讯作者: 林仲华 E-mail:zhlin@xmu.edu.cn

The Growth Mechanism of Eletrosynthesized Polyaniline Nanotubules in Alumina Template

Dong Ping;Zhou Jian-Zhang;Xi Yan-Yan;Cai Cheng-Dong;Zhang Yan;Zou Xu-Dong;Huang Huai-Guo;Wu Ling-Ling;Lin Zhong-Hua   

  1. State Key Laboratory for Physical Chemistry of the Solid Surface, Department of Chemistry, Institute of Physical Chemistry, Xiamen University, Xiamen 361005; Xiamen Zijin Science and Technology Limited Company, Xiamen 361005; Fujian Zijin Research Institute of Mining and Metallurgy, Fujian Zijin Mining Industry Limited Company, Longyan 364200
  • Received:2003-09-25 Revised:2003-11-13 Published:2004-05-15
  • Contact: Lin Zhong-Hua E-mail:zhlin@xmu.edu.cn

摘要: 利用阶跃电位、循环伏安等电化学方法,应用金属电沉积理论,研究聚苯胺纳米管在阳极氧化铝模板(AAO)内电聚合的生长机理.结果表明:电聚合初始,苯胺二维非扩散控制的瞬时成核生长形成聚苯胺晶胞链段单层,单层形成以后,聚苯胺的生长过程变为线性扩散控制. XRD实验进一步证实电聚合的聚苯胺同时包含结晶相和无定型相结构.

关键词: 聚苯胺, 纳米管, 阳极氧化铝模板, 电聚合, 生长机理

Abstract: According to the theory on eletrocystallization of metal, the growth mechanism of polyaniline nanotubules in alumina template was studied by electrochemical methods, such as chronoamperometry, cyclic voltammetry. It was found that a chain monolayer of polyaniline crystal cell was formed by the two-dimensional instantaneous nucleation-growth without diffusion control during the initial stage of eletropolymerization, and after forming the monolayer, the growing process of polyaniline tubules was controlled by diffusion instead. The results of XRD showed that the eletrosynthesized polyaniline structure is composed of both the crystalline phase and the amorphous phase, consistent with the electrochemical experiment results. Meanwhile, it is possible that the cystallization of polymer can be studied by electrochemical methods with the theory on eletrocystalization of metal.

Key words: Polyaniline, Nanotubule, Anode alumina(AAO) template,  Electropolymerizaion, Growth mechanism