Bifunctional gas sensor based on Bi<sub>2</sub>S<sub>3</sub>/SnS<sub>2</sub> heterostructures with improved selectivity through visible light modulation
Tingting Wang, Jiaying Liu, Yanling Zhang, Qihua Liang, Ruozhen Wu, Hsu‐Sheng Tsai, You Wang, Juanyuan Hao
Abstract
The Bi 2 S 3 /SnS 2 heterostructure was synthesized and used as a bifunctional gas-sensing material through visible light modulation; it is ultrasensitive to NO 2 under light irradiation but is highly selective to H 2 S in the dark.
Topics & Concepts
BifunctionalHeterojunctionVisible spectrumModulation (music)OptoelectronicsMaterials scienceSelectivityIrradiationOpticsPhysicsChemistryCatalysisBiochemistryNuclear physicsAcousticsGas Sensing Nanomaterials and Sensors2D Materials and ApplicationsAdvanced Photocatalysis Techniques