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ZIF-8/ZIF-67 solid electrolyte ozone sensor at room temperature by Yuan Tian; Jia-xian Li; Xin Li; Run-quan Wang; Yue-rong Zhang; Wan-ping Chen; Kai Song; Guo-ying Wang; Gao-feng Shi is a Engineering article available to read on EtoBox.

What is ZIF-8/ZIF-67 solid electrolyte ozone sensor at room temperature about?

ZIF-8, ZIF-67 and ZIF-8/ZIF-67 were synthesized by room temperature static method and characterized by XRD, SEM, TEM, XPS, BET, etc. The prepared materials were found to have high purity, good crystallinity, regular morphology and large specific surface area. The composite modification allows ZIF-8 to grow regularly on the surface of ZIF-67. The resulting composite ZIF-8/ZIF-67 can be enriched with adsorption sites on its surface while maintaining the structural properties of the raw material, and its pore size distribution is concentrated at 2–4 nm, and this dense pore size distribution provides more active sites for the adsorption of O3. The sensor prepared using ZIF-8/ZIF-67 exhibited a very high response value to O3, with a sensitivity of − 284.47 mV/decade, and the response value remained at 93.14% after six days of stable cycling tests, showing good sensitivity and stability. The above work can provide a new idea for the design of a new ozone sensor.

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Author

Yuan Tian; Jia-xian Li; Xin Li; Run-quan Wang; Yue-rong Zhang; Wan-ping Chen; Kai Song; Guo-ying Wang; Gao-feng Shi

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)