期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 6, 期 14, 页码 5550-5554出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ta10538j
关键词
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资金
- King Abdullah University of Science and Technology (KAUST)
We report on the fabrication of an advanced chemical capacitive sensor for the detection of sulfur dioxide (SO2) at roomtemperature. The sensing layer based on an indium metal-organic framework (MOF), namely MFM-300, is coated solvothermally on a functionalized capacitive interdigitated electrode. The fabricated sensor exhibits significant detection sensitivity to SO2 at concentrations down to 75 ppb, with the lower detection limit estimated to be around 5 ppb. The MFM-300 MOF sensor demonstrates highly desirable detection selectivity towards SO2 vs. CH4, CO2, NO2 and H-2, as well as an outstanding SO2 sensing stability.
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