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电化学组装法制备对-巯基苯胺/聚苯胺纳米有序导电聚合物膜

Ordered Nano\|structured Polymer Films of PATP/PANI by Electrochemical\|assembly

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【作者】 张红平罗瑾黄怀国吴玲玲林仲华

【Author】 ZHANG Hong\|Ping, LUO Jin\+*, HUANG Huai\|Guo, WU Ling\|Ling, LIN Zhong\|Hua (State Key Laboratory for Physical Chemistry of the Solid Surface, Department of Chemistry, \= Institute of Physical Chemistry, Xiamen University, Xiamen, 361005)

【机构】 厦门大学固体表面物理化学国家重点实验室

【摘要】 提出了制备二维纳米有序有机导电聚合物膜的新方法——电化学组装法,应用该方法在电位脉冲的作用下使苯胺聚合到对-巯基苯胺修饰的金电极上,获得了致密、有序的对-巯基苯胺/聚苯胺(p-aminothiolphenol/polyaniline,PATP/PANI)导电寡聚物薄膜.用STM研究了Au(111)/PATP、Au(111)/PATP/PANI膜表面的二维有序性,用SERS谱表征了Au(粗糙表面)/PATP、Au(粗糙表面)/PATP/PANI膜的结构和成分,并以[Fe(CN)6]3-/[Fe(CN)6]4-为探针研究了其电子传递性能.结果表明用电化学组装法制备的PATP/PANI膜在纳米尺度上是二维有序的,且具有良好的电子传递性能

【Abstract】 The ordered two\|dimensional nano\|structured conducting polymer films of a \{\%p\%\|aminothiolphenol/polyaniline\}(PATP/PANI) on Au is fabricated by electrochemical\|assembly (ECA) which is a new method first reported by our group. The surface topography, property and structure of PATP/PANI polymer films were investigated using scanning tunneling microscopy(STM), surface enhanced Raman scattering (SERS) and cyclic voltammetry. The results indicate that such oligomer films comprise ordered nano\|structured clusters. The surface of the films is close\|packed, homogeneous, flat in two\|dimension. The electron transfer performance of PATP/PANI films is rather high.

【基金】 国家自然科学基金
  • 【文献出处】 高等学校化学学报 ,CHEMICAL RESEARCH IN CHINESE UNIVERSITIES , 编辑部邮箱 ,1999年04期
  • 【分类号】TM243
  • 【被引频次】21
  • 【下载频次】380
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