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Laser-Deposited Carbon Aerogel Derived from Graphene Oxide Enables NO2Selective Parts-per-Billion Sensing
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unpublished
Laser-deposited carbon aerogel is a low-density porous network of carbon clusters synthesized using a laser process. A one-step synthesis, involving deposition and annealing, results in the formation of a thin porous conductive film which can be applied as a chemiresistor. This material is sensitive to NO 2 compared to ammonia and other volatile organic compounds and is able to detect ultra-low concentrations down to at least 10 parts-perbillion. The sensing mechanism, based on the solubility
doi:10.1021/acsami.0c09112.s001
fatcat:ahhktnjxvnfkhbudeomjqazhni