Microwave-assisted synthesis of poly (aniline-co-indole)/N-doped carbon dots nanocomposite as electrode materials for supercapacitor applications

We report here, the microwave-assisted synthesis of the copolymer viz poly(aniline-co-indole) (PAI) nanocomposite, and subsequent incorporation of nitrogen-doped carbon dots on the polymer. The resulting polymer nanocomposite exhibited a large specific capacitance of 670.23 F g-1 at a current density of 0.50 A g-1 in conjunction with excellent cycling stability of 94% capacitance retention after 1000 cycles at 0.5 A g -1. In vitro cytotoxicity evaluations for the copolymer and the nanocomposite demonstrated remarkable biocompatibility. The excellent electrochemical performance combined with good biocompatibility makes it a potential alternative to traditional supercapacitors.Graphical abstractGraphical abstract for the synthesis of polymer nanocomposite (PAI-1) for supercapacitor applications