Gas Sensing of SnO2 Nanocrystals Revisited: Developing Ultra-sensitive Sensors for Detecting the H2S Leakage of Biogas

Overview

Journal Sci Rep

Specialty Science

Date 2014 Aug 13

PMID 25112163

Citations 11

Authors

Lin Mei

Yuejiao Chen

Jianmin Ma

Affiliations

Soon will be listed here.

Abstract

As a typical mode of energy from waste, biogas technology is of great interest to researchers. To detect the trace H2S released from biogas, we herein demonstrate a high-performance sensor based on highly H2S-sensitive SnO2 nanocrystals, which have been selectively prepared by solvothermal methods using benzimidazole as a mineralization agent. The sensitivity of as-obtained SnO2 sensor towards 5 ppm H2S can reach up to 357. Such a technique based on SnO2 nanocrystals opens up a promising avenue for future practical applications in real-time monitoring a trace of H2S from the leakage of biogas.

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