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Electronic properties of polyaniline doped with dodecylbenzenesulphonic acid (PANI-DBSA) and poly(methyl methacrylate) (PMMA) blends in the presence of hydroquinone

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Abstract

Films of polyaniline doped with dodecylbenzenesulphonic acid (DBSA) and poly(methyl methacrylate) (PMMA) blends were studied with and without compatibilising agent “hydroquinone”. Hydroquinone was used to maximize solubility and to make it compatible with polymethylmethacrylate (PMMA) to get uniform and homogenous films on indium tin oxide ITO coated glass. Current density measurement as a function of voltage (J–V) and capacitance voltage (C–V) measurements at different temperature were carried out. The observed J–V and C–V characteristics can be satisfactorily fitted using the modified Schottky equations. The junction parameters were strongly influenced by hydroquinone. From C–V characteristics, the built-in voltage and charge carriers concentration were also calculated and discussed.

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Acknowledgements

Authors are grateful to Professor P.J.S. Foot of Kingston University, UK, material research group for extending their laboratory facilities. Technical assistance from Hugh Malli and Saif (PhD students at Kingston) are also sincerely acknowledged. AS acknowledges the Higher Education Commission of Pakistan (HEC) for awarding Research fellowship.

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Authors and Affiliations

  1. Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan

    A. Shakoor, T. Z. Rizvi, M. Sulaiman, M. Nasir & M. Ishtiaq

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  1. A. Shakoor
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  2. T. Z. Rizvi
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  3. M. Sulaiman
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Correspondence to A. Shakoor.

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Shakoor, A., Rizvi, T.Z., Sulaiman, M. et al. Electronic properties of polyaniline doped with dodecylbenzenesulphonic acid (PANI-DBSA) and poly(methyl methacrylate) (PMMA) blends in the presence of hydroquinone. J Mater Sci: Mater Electron 21, 603–607 (2010). https://doi.org/10.1007/s10854-009-9964-6

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  • DOI: https://doi.org/10.1007/s10854-009-9964-6

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