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Journal of Metallurgy and Materials Science
Year : 2018, Volume : 60, Issue : 3
First page : ( 149) Last page : ( 155)
Print ISSN : 0972-4257. Online ISSN : 0974-1267.

Structural, optical and electrical description of camphor sulfonic acid diped poly (2, 5-dimetoxyaniline) thin film

Antony Maggie Dayana**, Rayar Victor Williams*

Department of Physics, St. Joseph's College, Tiruchirappalli-620002, Tamil Nadu, India

*Corresponding Authors Email: rvwi@yahoo.com

**maggie.dyna@gmail.com

Online published on 2 November, 2018.

Abstract

Emeraldine Base Poly (2, 5-dimethoxyaniline) has been synthesized by oxidative polymerization using ammonium persulfate as an oxidant. Protonated Poly (2, 5-dimethoxy aniline) have been achieved by doping with Camphor sulfonic acid with different weight ratio as 1: x (x=0, 0.25, 0.5, 1). Poly (2, 5-dimethoxyaniline) Emeraldine Salt was spin coated as thin film by using m-cresol solvent cum secondary dopant. Camphor sulfonic acid doped Poly (2, 5-dimethoxy aniline) thin films were characterized by UV-V spectrophotometer, Fourier Transform Infrared spectroscopy, X-RAYDiffraction, PLfor the analysis of band gap, chemical composition, structural confirmation and electronic transition. SEM micrograph images exposed the changes of plate structure to rod for Poly (2, 5-dimethoxyaniline) thin films. The band gap of undoped Poly (2, 5-dimethoxyaniline) thin film was found as 3.67eV. The level of dopant was found to influence the band gap and the DC conductivity of Camphor sulfonic acid doped Poly (2, 5-dimethoxyaniline) thin films.

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Keywords

Poly(2, 5-dimethoxyaniline), Camphorsulfonic acid, Thinfilm, Protonation.

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