One of the current trends in the design of electronic materials is the use of agro-based, renewable materials with a minimum amount of toxic substances present. Consistent with this trend, we investigated the electrosynthesis and the electrochemical, morphological, and topographical characteristics of two novel conducting composites: polypyrrole/cashew gum and polyaniline/cashew gum. Cashew gum is an exudate of <i>Anacardium occidentale L</i>., a plant native to Brazil and tropical regions in America, Africa, and Asia. It is a branched acidic heteropolysaccharide, comprising  arabinose, galactose, rhamnose, glucose and glucuronic acid. The composite films were grown on gold surface by cyclic voltammetry and chronoamperometry in an aqueous medium. They were characterized using FTIR-ATR, SEM, AFM and cyclic voltammetry. The conductive bio-based films have shown conductivity, charge storage capacity, morphologies and chemical stability when comparable to conventional polymers.<br/>

Electrosynthesis and characterization of polypyrrole/cashew gum composite

253rd National Meeting (2017)

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