Optical and Structural Studies of Graphene Oxide-Zinc Oxide Blend Nanoparticles for Optoelectronics Application

Abstract

Nanomaterials are of particular interest as they combine the properties of two or more different materials with the possibility of possessing novel mechanical, electronic or chemical behaviour. The present work involves in understanding and turning such effects that could lead to hybrid devices based on such blends with improved optical properties. Graphene oxide is a significant material possessing high strength and good optical behaviour. Its optical behaviour is further enhanced on blending with zinc oxide nanoparticles. By the addition of zinc oxide into graphene oxide, it is possible to modify the required properties of our interest. The prepared nanocomposites were characterized by studying the morphology, chemical interaction and the absorption spectrum. The morphology of the nanoparticles were studied around using atomic force microscopy and scanning electron microscopy. The bonding nature of the functional groups of the prepared nanoparticles were analyzed using FTIR spectrum. Size and absorption spectra of the prepared nano-particles were studied 20 to 50 nm using X-ray diffraction and absorption peak at 370 nm for GO-ZnO blend which was attributed to the p-p^* transitions of the aromatic C-C bonds by using UV-visible respectively. The photoluminescence characters of ZnO, graphene oxide blend were studied by their emission spectra.