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Nufer, S., Lynch, P. J., Large, M. J., Ogilvie, S. P., Salvage, J. P., Pelaez-Fernandez, M., Waters, T., Jurewicz, I., Muñoz, E., Arenal, R., Benito, A. M., Maser, W. K., Tagmatarchis, N., Ewels, C. P., Brunton, A. & Dalton, A. B. (2020) Laser-Deposited Carbon Aerogel Derived from Graphene Oxide Enables NO2-Selective Parts-per-Billion Sensing. ACS Appl. Mater. Interfaces, 12 39541–39548. 
Added by: Richard Baschera (2020-11-17 13:20:19)   Last edited by: Richard Baschera (2020-11-17 13:57:30)
Type de référence: Article
DOI: 10.1021/acsami.0c09112
Numéro d'identification (ISBN etc.): 1944-8244, 1944-8252
Clé BibTeX: Nufer2020
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Créateurs: Arenal, Benito, Brunton, Dalton, Ewels, Jurewicz, Large, Lynch, Maser, Muñoz, Nufer, Ogilvie, Pelaez-Fernandez, Salvage, Tagmatarchis, Waters
Collection: ACS Appl. Mater. Interfaces
Consultations : 11/156
Indice de consultation : 3%
Indice de popularité : 0.75%
Liens URLs     https://pubs.acs.o ... 021/acsami.0c09112
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 NO2 compared to ammonia and other volatile organic compounds and is able to detect ultra-low concentrations down to at least 10 parts-per-billion. The sensing mechanism, based on the solubility of NO2 in the water layer adsorbed on the aerogel, increases the usability of the sensor in practically relevant ambient environments. A heating step, achieved in tandem with a microheater, allows the recovery to the baseline, making it operable in real world environments. This, in combination with its low cost and scalable production, makes it promising for Internet-of-Things air quality monitoring.
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