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ACS Appl Mater Interfaces


Title:Laser-Deposited Carbon Aerogel Derived from Graphene Oxide Enables NO(2)-Selective Parts-per-Billion Sensing
Author(s):Nufer S; Lynch PJ; Large MJ; Ogilvie SP; Salvage JP; Pelaez-Fernandez M; Waters T; Jurewicz I; Munoz E; Arenal R; Benito AM; Maser WK; Tagmatarchis N; Ewels CP; Brunton A; Dalton AB;
Address:"M-Solv Ltd, Oxonian Park, Langford Locks, Kidlington, Oxford OX5 1FP, U.K. Department of Physics and Astronomy, University of Sussex, Brighton BN1 9RH, U.K. School of Pharmacy and Biomolecular Science, University of Brighton, Brighton BN2 4GJ, U.K. Laboratorio de Microscopias Avanzadas (LMA), Instituto de Nanociencia de Aragon, Universidad de Zaragoza, Zaragoza 50018, Spain. Department of Physics, University of Surrey, Guildford GU2 7XH, U.K. Instituto de Carboquimica ICB-CSIC, Zaragoza 50018, Spain. Fundacion ARAID, Zaragoza 50018, Spain. Instituto de Ciencias de Materiales de Aragon, CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain. Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, Athens 11635, Greece. Institute des Materiaux Jean Rouxel (IMN), CNRS UMR6502/Universite de Nantes, Nantes 44322, France"
Journal Title:ACS Appl Mater Interfaces
Year:2020
Volume:20200820
Issue:35
Page Number:39541 - 39548
DOI: 10.1021/acsami.0c09112
ISSN/ISBN:1944-8252 (Electronic) 1944-8244 (Linking)
Abstract:"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-per-billion. The sensing mechanism, based on the solubility of NO(2) 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"
Keywords:carbon aerogel chemiresistor gas sensor nitrogen dioxide selective;
Notes:"PubMed-not-MEDLINENufer, Sebastian Lynch, Peter J Large, Matthew J Ogilvie, Sean P Salvage, Jonathan P Pelaez-Fernandez, Mario Waters, Thomas Jurewicz, Izabela Munoz, Edgar Arenal, Raul Benito, Ana M Maser, Wolfgang K Tagmatarchis, Nikos Ewels, Christopher P Brunton, Adam Dalton, Alan B eng 2020/07/23 ACS Appl Mater Interfaces. 2020 Sep 2; 12(35):39541-39548. doi: 10.1021/acsami.0c09112. Epub 2020 Aug 20"

 
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