Highly sensitive triethylamine gas sensor by Pt-loaded p-n heterojunction CoO/WO.

Nanotechnology

Yunnan Key Laboratory for Micro/Nano Materials & Technology, National Center for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, Kunming 650091, People's Republic of China.

Published: November 2022


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Article Abstract

Triethylamine (TEA) exists widely in production and life and is extremely volatile, which seriously endangers human health. It is required to develop high-performance TEA sensors to protect human health. We fabricated Pt-CoO/WObased on our previous work, and the performance was tested against volatile organic compounds. Compared with the previous work, its operating temperature was greatly reduced from 240 °C to 180 °C. The response value of Pt-CoO/WOwas increased from 1101 to 1532 for 10 ppm TEA with good selectivity. These results show a significant step toward practical use of the Pt-CoO/WOsensor.

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http://dx.doi.org/10.1088/1361-6528/ac9c08DOI Listing

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