DBSA掺杂聚苯胺的制备、表征及其导电性

doi:10.19491/j.issn.1001-9278.2009.01.008

中国塑料 ›› 2009, Vol. 23 ›› Issue (01): 37-42 .DOI: 10.19491/j.issn.1001-9278.2009.01.008

DBSA掺杂聚苯胺的制备、表征及其导电性

高利民，张金霞，李宁宁，卢伟，张立群，瞿雄伟

1.河北工业大学化工学院高分子科学与工程研究所，天津 300130； 2.天津电装电子有限公司，天津 300457；3.北京化工大学材料科学与工程学院，北京 100029

收稿日期:2008-09-11 修回日期:1900-01-01 出版日期:2009-01-26 发布日期:2009-01-26

Preparation, Characterization and Conductive Properties of Polyaniline Doped with DBSA

GAO Li-min, ZHANG Jin-xia, LI Ning-ning, LU Wei1, ZHANG Li-qun, QU Xiong-wei

1.Institute of Polymer Science and Engineering, Hebei University of Technology, Tianjin 300130, China; 2.Tianjin Denso Electronics Company, Tianjin 300457, China; 3.School of Materials Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China

Received:2008-09-11 Revised:1900-01-01 Online:2009-01-26 Published:2009-01-26
Contact: QU Xiong-wei

摘要/Abstract

摘要： 采用过硫酸铵(APS)为氧化剂在十二烷基苯磺酸(DBSA)微胶束中化学氧化制备纳米棒状聚苯胺；DBSA既起乳化剂也起掺杂剂的作用。制备的掺杂聚苯胺用红外光谱(FTIR)、紫外光谱(UV-vis)、X-射线衍射(XRD)和扫描电镜(SEM)进行了表征；透射电镜(TEM)下首次观察到了聚苯胺的有序排列结构，晶面间距为5.99 Å。考察了掺杂剂/苯胺、氧化剂/苯胺的摩尔比和反应温度、时间等对聚苯胺电导率影响，最高电导率达到了0.72 S/cm。透射电镜怎能看到5.99

关键词: 聚苯胺, 十二烷基苯磺酸, 结晶行为, 电导率, 形态

Abstract: Polyaniline (PANI) is one of the most promising conducting polymers for its high environment stability, tunable electrical properties and relatively low cost. Chemical oxidative polymerization of aniline was performed in micellar solution of dodecylbenzene sulfonic acid (DBSA), using ammonium persulfate (APS) as an oxidant to obtain conductive nanorods. DBSA was used to play double roles of a surfactant and a dopant. The products of PANI doped with DBSA were characterized with FTIR, UV-vis, XRD and SEM. The crystalline morphology was determined by TEM. It was first found that the distance between the crystalline layers was 5.99 Å. The effects of reaction conditions on the conductivity were discussed such as the molar ratio of DBSA to aniline, oxidant to aniline, reaction time, and reaction time. The highest conductivity of PANI doped with DBSA was 0.72 S/cm.

Key words: polyaniline, dodecylbenzene sulfonic acid, crystallizability, conductivity, morphology

高利民, 张金霞, 李宁宁, 卢伟, 张立群, 瞿雄伟. DBSA掺杂聚苯胺的制备、表征及其导电性[J]. 中国塑料, 2009, 23(01): 37-42 .

GAO Li-min, ZHANG Jin-xia, LI Ning-ning, LU Wei, ZHANG Li-qun, QU Xiong-wei. Preparation, Characterization and Conductive Properties of Polyaniline Doped with DBSA[J]. China Plastics, 2009, 23(01): 37-42 .

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DBSA掺杂聚苯胺的制备、表征及其导电性

Preparation, Characterization and Conductive Properties of Polyaniline Doped with DBSA

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