Abstract <p>In the present work, we demonstrate a versatile Liquefied petroleum gas sensor using reduced graphene oxide thin films fabricated by thermal annealing of graphene oxide at 250°C. The morphological modification, structural analyses and sensing behavior of the films have been investigated using UV-visible absorption spectrometry, X-ray diffraction, Fourier transform infrared, atomic force microscopy and current-voltage measurements. The measurement of the reduced graphene oxide thin film electrical properties, when exposed to different concentrations of liquefied petroleum gas, exhibit a variety of outstanding features, including excellent electrical conductivity, fast response time, good recovery behaviors, high sensitivity, and remarkable stability. These excellent properties make it ideal probe for gas sensor applications.</p>

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Room Temperature Liquefied Petroleum Gas Sensing Based on Reduced Graphene Oxide Thin Film

  • M. Taheri

摘要

Abstract

In the present work, we demonstrate a versatile Liquefied petroleum gas sensor using reduced graphene oxide thin films fabricated by thermal annealing of graphene oxide at 250°C. The morphological modification, structural analyses and sensing behavior of the films have been investigated using UV-visible absorption spectrometry, X-ray diffraction, Fourier transform infrared, atomic force microscopy and current-voltage measurements. The measurement of the reduced graphene oxide thin film electrical properties, when exposed to different concentrations of liquefied petroleum gas, exhibit a variety of outstanding features, including excellent electrical conductivity, fast response time, good recovery behaviors, high sensitivity, and remarkable stability. These excellent properties make it ideal probe for gas sensor applications.