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Nanofiber Formation in the Chemical Polymerization of Aniline: A Mechanistic Study

Authors

  • Jiaxing Huang,

    1. Department of Chemistry & Biochemistry and California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095-1569, USA, Fax: (+1) 310-206-4038
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  • Richard B. Kaner Prof.

    1. Department of Chemistry & Biochemistry and California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095-1569, USA, Fax: (+1) 310-206-4038
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  • We thank K. N. Tun, G. J. Tong (UCLA), J. A. Moore, and Prof. H. A. Acquaye (University of Redlands) for technical assistance, T. Kanazawa (JEOL), X. Wang, and Prof. P. Feng (UC-Riverside) for help with SEM experiments, and Prof. M. M. Abu-Omar (UCLA) and Prof. F. Zhou (CSULA) for use of their syringe pumps. This research was supported by the Microelectronics Advanced Research Corporation (MARCO) and the Department of Homeland Security (HSARPA).

Abstract

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Stirring stuff: The morphological evolution of polyaniline from nanofibers to agglomerates during its chemical polymerization shows that the key to producing pure nanofibers is to suppress secondary growth after formation of the nanofibers. A simple and effective method for the synthesis of nanofibers was thus developed in which the polymerization is carried out in a rapidly mixed single-phase reaction (see scheme).

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