Abstract
Synthesis of reduced graphene oxide (RGO) by the modified Hummer's method is an excellent way for the bulk production of RGO powder. A novel atomized spray pyrolysis deposition (ASPD) method was used to deposit RGO thin films on borosilicate glass substrates. Deposition temperature was varied to optimize the electrical conductivity of RGO thin films. Turbostratic disorder and oxygen content of RGO powder decreased after depositing onto a thin film. Hall measurements and Raman analysis confirmed the deposition of p-type RGO thin films. Post-deposition annealing of the films decreased the oxygen content, recovering sp2 clusters. The conductivity of the RGO thin film was optimized at a substrate temperature of 150 °C at 16.8 × 102 S m−1.
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