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[1]李亮,陈旭,艾建连.偶氮染料掺杂聚吡咯纳米/微米结构材料的制备[J].武汉工程大学学报,2013,(04):55-60.[doi:103969/jissn 16742869201304013]
　LI Liang,CHEN Xu,AI Jian lian.Preparation of polypyrrole with nano/micro structures doped by azo dyes[J].Journal of Wuhan Institute of Technology,2013,(04):55-60.[doi:103969/jissn 16742869201304013]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2013年04期
页码:
55-60
栏目:
资源与土木工程
出版日期:
2013-04-30

文章信息/Info

Title:
Preparation of polypyrrole with nano/micro structures doped by azo dyes
文章编号:
16742869(2013)04005506
作者:
李亮; 陈旭; 艾建连
武汉工程大学材料科学与工程学院，湖北 武汉430074
Author(s):
LI Liang; CHEN Xu; AI Jianlian
School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430074, China
关键词:
导电聚合物; 聚吡咯; 微观形貌
Keywords:
conducting polymer; polypyrrole; microscopic morphology
分类号:
O633
DOI:
103969/jissn 16742869201304013
文献标志码:
A
摘要:
采用软模板自组装的方法，使用偶氮染料甲基橙为掺杂剂，以及不同的氧化剂三氯化铁、过硫酸铵（APS）制备出具有纳米/微米结构的聚吡咯材料；同时，采用了其他不同的偶氮染料金橙Ⅳ、橙黄G和偶氮荧光桃红成功合成出其他纳米/微米结构材料聚吡咯.利用傅立叶变换红外光谱、扫描电子显微镜、四探针电阻率测试仪对材料进行表征.结果表明甲基橙分子高度掺杂在聚吡咯分子链中，改变了聚吡咯分子的共轭结构，使其产生了缺陷，从而能够增加聚吡咯的导电性能；用甲基橙为掺杂剂合成的聚吡咯都成一维管状，说明甲基橙掺杂剂在反应中起到了纤维状胶束模板的作用；其他偶氮染料金橙Ⅳ、橙黄G和偶氮荧光桃红为掺杂剂时没有形成聚吡咯纳米管状结构；金橙Ⅳ体系合成的聚吡咯电导率最高.
Abstract:
Polypyrrole materials with different nano/micro structures doped by different azo dyes was prepared using softtemplate selfassembly. Four different azo dyes of methyl orange, golden orange IV, orange G, and azophloxine were chosen as the dopant. The effect of the oxidants on the morphology of polypyrrole was also studied. Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM) and fourpoint probe were carried out to characterize the structures and properties of the asprepared polypyrrole. The results indicate that when methyl orange is highly doped in the polypyrrole chain，its conjugated structure of polypyrrole changes and the conductivities of polypyrrole is enhanced; polypyrrole with onedimensional structure can be only obtained in the case of methyl orange as the dopant; the other azo dyes, gold orange IV orange G and azophloxine can not result in the formation of onedimensional structure; polypyrrole doped by golden orange IV has the highest conductivity.

参考文献/References:

［1］Xiao Y H, Che J F, Sun X L, et al. Application of Al2O3 in the electrosynthesis of polypyrrole with fuzzy morphologymicrotentacle\[J\]. Polym Adv Technol,2007,18:569573.［2］Ferreira J ,Santos M J, Matos R, et al. Structural and electrochromic study of polypyrrole synthesized with azo and anthraquinone dyes\[J\]. J Electroanal Chem, 2006,591:2732.［3］赵旭, 李强, 李亮. 回形针状纳米聚苯胺的合成及表征\[J\]. 武汉工程大学学报, 2011,33（7）：6365.［4］Girotto E M,Gazotti W A,Tormena C F,et al.Photoelectronic and transport properties of polypyrrole doped with a dianionic dye\[J\]. Electrochimica Acta, 2002,47:13511357.［5］Dai T Y,Lu Y. Watersoluble methyl orange fibrils as versatile templates for the fabrication of conducting polymer microtubules\[J\]. Macromol Rapid Commun, 2007,28:629633.［6］Huang J Y, Quan B G,Liu M J, et al. Conducting polypyrrole conical nanocontainers: formation mechanism and voltage switchable property\[J\]. Macromol Rapid Commun, 2008,29:13351340.

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备注/Memo

备注/Memo:
基金项目：国家自然科学基金（20904044）作者简介：李亮(1978),男,湖北黄石人,教授,博士. 研究方向: 功能高分子合成及其应用.第35卷第4期2013年04月武汉工程大学学报JWuhanInstTechVol35No4Apr.2013
更新日期/Last Update: 2013-05-18