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| Construction and Performance of Paper-based NH3 Sensor with MoS2/Zinc Stannate Heterojunction Modification |
| Received:November 26, 2024 Revised:December 22, 2024 |
| DOI：10.11981/j.issn.1000-6842.2025.03.26 |
| Key Words:cellulose paper;molybdenum disulfide;lysine;zinc stannate;gas sensing performance |
| Fund Project:陕西科技大学自然科学前沿研究基金（2020XSGG-07）；陕西省重点研发计划（2022GY-278）；陕西省自然科学基金（2023-JC-YB-104）；广西清洁化制浆造纸与污染控制重点实验室开放基金（2023GXZZKF36）。 |
| Author Name | Affiliation | Postcode | | LIU Peiting* | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science and Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | TIAN Xiuzhi* | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science and Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | LI Yujia | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science and Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | LI Mingqin | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science and Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | HOU Enfeng | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science and Technology， Xi’an， Shaanxi Province， 710021 | 710021 | | JIANG Xue* | College of Bioresources Chemical and Materials Engineering， Shaanxi University of Science and Technology， Xi’an， Shaanxi Province， 710021 | 710021 |
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| Abstract: |
| This study utilized Lysine （Lys） modified MoS2 nanosheets and combined with zinc stannate to prepare an n-n heterojunction composite gas-sensitive material， which were then deposited onto paper-based substrates to construct paper-based NH₃ sensors. The gas-sensing performance of the sensors was tested， and the gas-sensing mechanism was investigated. The results indicated that the paper-based NH3 sensor constructed using the heterojunction exhibited a responsiveness of 11.76% to 0.15 g/L NH3 at room temperature， which was approximately 3.5 times that of the paper-based MoS2 sensor （3.34%）. |
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