Synthesis of NiCo2O4 nanoneedles and their growth on carbon substrates for multifaceted applications

Abstract

Nickel cobaltite (NiCo2O4), an inverse spinel with mixed valance transition metal oxide exhibits excellent redox reaction, magnetic and optoelectronic properties. Due to its versatile properties, NiCo2O4 is used as a multifunctional material in various applications. However, its structural evolution due to heat-treatment and integration with carbonaceous materials has not been fully explored. The present thesis attempts to study a few aspects in this direction. Toward this, NiCo2O4 has been synthesized and grown onto various carbon substrates and the resulting multifunctional materials have been used in various applications such as photocatalytic degradation of a model explosive, electromagnetic interference (EMI) shielding and microwave absorption, and as a supercapacitor electrode for energy storage. newline