Rajiv K. Singh, Amit Kumar, Khushboo Agarwal, Mahesh Kumar, H. K. Singh, Pankaj Srivastava and Ramadhar Singh DC electrical conduction and morphological behavior of counter anion-governed genesis of electrochemically synthesized polypyrrole films Journal of Polymer Science Part B: Polymer Physics 50
Because of its high charge storage ability, polypyrrole (PPY) is a good candidate for applications in batteries or supercapacitors. The growth mechanism of PPY is influenced by the nature of dopant anion used for polymerization. Doping with an inorganic anion leads to fractal growth, whereas the aromatic interaction between organic dopant anion and π-conjugation of the polymer backbone leads to laminar growth. The interaction between dopant anion and polymer chain is, therefore, a key factor influencing structural, optical, and electrical properties.
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