Abstract
Triethylamine (TEA) sensors are an effective and powerful tool for real-time monitoring of TEA, and play an important role in early warning of production processes, environmental atmospheric monitoring and human health protection. In this paper, SnO2/ZnO complex oxide was prepared by calcining bimetallic organic frameworks (BMOFs) to improve both the selectivity, sensitivity and accuracy of TEA-sensing materials and devices. The results show that the obtained 5Sn5Zn complex oxide prepared by mol (Sn):mol (Zn) = 1:1 has excellent selective responsiveness, repeatability and longtime reliability stability to TEA gas at 270 °C Besides, the 5Sn5Zn complex oxide exhibits a rapid response/recovery performance to TEA at 100 ppm concentration (Tres/Trec = 4 s/60 s separately), especially at the high humidity of 40–90% relative humidity (RH), and the response degree of the 5Sn5Zn complex oxide to TEA only decreases by 17%. This may be the best TEA selective response stability achieved by SnO2/ZnO complex oxide material under high humidity conditions.
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GL: Conceptualization, Investigation, Writing—original draft, Writing—review & editing. XX: Investigation, review & editing. YH: Formal analysis, Review & editing. YG: Investigation & Visualization. SL: Validation, review & editing. TJ: Supervision. YC: Supervision.
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Liu, G., Xiong, X., He, Y. et al. Highly sensitive and selective triethylamine sensor based on SnO2@ZnO nanocomposite synthesized apply high humidity atmosphere. J Mater Sci: Mater Electron 34, 1078 (2023). https://doi.org/10.1007/s10854-023-10391-0
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DOI: https://doi.org/10.1007/s10854-023-10391-0