Abstract
In this paper, well-controlled synthesis of In2O3-reduced graphene oxide (In2O3–rGO) nanocomposites by hydrothermal method was demonstrated. The structural, morphological, chemical composition studies of the In2O3–rGO nanocomposites were carried out, evidencing a homogeneous dispersion of In2O3 on the rGO nanosheets. The sensor based on the In2O3–rGO nanocomposites exhibited excellent selectivity, high response, and relatively short response and recovery time for detection of NO2 at room temperature. The excellent sensing properties were resulted from the composition and structure advantages of the In2O3–rGO nanocomposites.
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