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Improving Sensitivity of a Chemoresistive Hydrogen Sensor by Combining ZIF-8 and ZIF-67 Nanocrystals

AuthorsMatatagui, Daniel; Sainz-Vidal, Arianee; Gràcia, Isabel; Figueras, Eduardo; Cané Ballart, Carles; Saniger, José
Issue Date28-Aug-2017
PublisherMultidisciplinary Digital Publishing Institute
CitationProceedings 1 (4): 462 (2017)
AbstractIn the present work, nanostructures of zeolitic imidazolate frameworks (ZIF-8 and ZIF-67) were combined to obtain a novel chemoresistive sensor, improving the sensitivity of ZIF-67 and facilitating measurement of ZIF-8 by decreasing the resistivity. The sensor detected concentrations as low as 10 ppm of hydrogen increasing its resistivity about 4.5 times. The response of the sensor was compared with a similar chemoresistive sensor based exclusively on ZIF-67, and the sensitivity was around three times higher in the case of the sensor with ZIFs combination.
Publisher version (URL)http://dx.doi.org/10.3390/proceedings1040462
DOIhttp://dx.doi.org/doi: 10.3390/proceedings1040462
Identifiersdoi: 10.3390/proceedings1040462
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