Acetone gas sensor based on alpha-Ag2WO4 nanorods obtained via a microwave-assisted hydrothermal route

Journal of Alloys and Compounds Volume: 683 Pages: 186-190 Published: 2016

The a-Ag2WO4 sample prepared via MAH treatment method. (a) XRD pattern, (b) FESEM image, and (c) TEM image.

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Writers: Luís F. da Silva and Ariadne C. Catto and Waldir Avansi Jr. and Laécio S. Cavalcante and Valmor R. Mastelaro and Juan Andrés and Khalifa Aguir and Elson Longo

Keywords: Microwave-assisted hydrothermal; α-Ag2WO4; Nanorods;

Abstract: This manuscript addresses the synthesis of one-dimensional (1D) α-Ag2WO4 nanorod-like structures via a microwave-assisted hydrothermal method to be used as an acetone gas sensor. The nanorods showed excellent gas-sensing performance, evidenced by their sensor response and repeatability, as well as a good range of detection (0.5–20.0 ppm). The manuscript also proposes an easy and efficient way of obtaining 1-D α-Ag2WO4 nanorods that exhibit remarkable acetone sensing properties.

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