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Morphological controlled synthesis of micro-/nano-polyaniline

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Abstract

A novel, highly efficient and economical route is developed for the synthesis of polyaniline micro-/nanostructure. Materials were characterized by a complementary combination of X-ray diffraction, Scanning electron microscopy, Fourier-transform infrared, and UV-visible spectrophotometer. Morphology of polyaniline can be tailored by varying the structure-directing agents and pH of the synthesis condition. Ethylene glycol and polyethylene glycol formed a three-dimensional flower-like structure whereas block-copolymer (ethylene oxide and propylene oxide based co-polymer EO20PO70EO20) formed leaf-like structure when the synthesis was performed at pH 7. Using these structure-directing agents, nanorod and granular morphologies were obtained when the samples were synthesized at pH 3 and 1, respectively.

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Acknowledgments

Authors thank Council of Scientific and Industrial Research, New Delhi for financial assistance. Anu Prathap M.U. thanks Ministry of Human Resource and Development, New Delhi and IIT Ropar for fellowship. Authors also thank Prof. M. K. Surappa, Director, IIT Ropar for his encouragement.

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  1. Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, 140001, India

    M. U. Anu Prathap & Rajendra Srivastava

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  1. M. U. Anu Prathap
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Correspondence to Rajendra Srivastava.

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Prathap, M.U.A., Srivastava, R. Morphological controlled synthesis of micro-/nano-polyaniline. J Polym Res 18, 2455–2467 (2011). https://doi.org/10.1007/s10965-011-9662-y

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