Use of single-crystalline Bi2S3 nanowires as room temperature ethanol sensor synthesized by hydrothermal approach

•Bismuth sulfide nanowires are prepared by hydrothermal method without any surfactant.•The RT ethanol gas sensitivity of Bi2S3 nanowires is investigated by SPV technique.•Sensitivity and selectivity curve of Bi2S3 NWs are measured and good gas sensing performance appear. A facile and effective proce...

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