ArticleSensors (Basel, Switzerland)2020
Defect-Induced Gas-Sensing Properties of a Flexible SnS Sensor under UV Illumination at Room Temperature.
Article in Sensors (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- High-performance visible-enhanced SnS/Si photodetectors fabricated by laser ablation: effect of laser fluence on optoelectronic properties.RSC advances · 2026Article
- Deposition Mechanism and Characterization of Plasma-Enhanced Atomic Layer-Deposited SnONanomaterials (Basel, Switzerland) · 2022Article
- Recent Progress on Nanomaterials for NONanomaterials (Basel, Switzerland) · 2022Review
- Flexible Ceramic Film Sensors for Free-Form Devices.Sensors (Basel, Switzerland) · 2022Review
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Authors and funding
10 authors.
Funding
Abstract
Tin sulfide (SnS) is known for its effective gas-detecting ability at low temperatures. However, the development of a portable and flexible SnS sensor is hindered by its high resistance, low response, and long recovery time. Like other chalcogenides, the electronic and gas-sensing properties of SnS strongly depend on its surface defects. Therefore, understanding the effects of its surface defects on its electronic and gas-sensing properties is a key factor in developing low-temperature SnS gas sensors. Herein, using thin SnS films annealed at different temperatures, we demonstrate that SnS exhibits n-type semiconducting behavior upon the appearance of S vacancies. Furthermore, the presence of S vacancies imparts the n-type SnS sensor with better sensing performance under UV illumination at room temperature (25 °C) than that of a p-type SnS sensor. These results are thoroughly investigated using various experimental analysis techniques and theoretical calculations using density functional theory. In addition, n-type SnS deposited on a polyimide substrate can be used to fabricate high-stability flexible sensors, which can be further developed for real applications.
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Registered trials
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