Enriched Oxygen Vacancies in SnO2-x with Narrow Bandgap for Highly Sensitive Gas Sensing

Abstract

High-performance SnO₂-based chemiresistive gas sensors were realized at room temperature by narrowing the bandgap to enhance photogenerated carrier separation. The resulting SnO2-x exhibited one of the highest responses and lowest LODs among room-temperature and light-activated NO2 sensors. This work offers a promising strategy for next-generation, low-power gas sensing applications.

Supplementary files

Article information

Article type
Communication
Submitted
21 Feb 2025
Accepted
16 Apr 2025
First published
22 Apr 2025

Chem. Commun., 2025, Accepted Manuscript

Enriched Oxygen Vacancies in SnO2-x with Narrow Bandgap for Highly Sensitive Gas Sensing

P. Wu, B. Ruan, K. Li, W. H. Deng, Y. Chen and G. Xu, Chem. Commun., 2025, Accepted Manuscript , DOI: 10.1039/D5CC00960J

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