Journal
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
Volume 32, Issue 6, Pages 924-928Publisher
HIGHER EDUCATION PRESS
DOI: 10.1007/s40242-016-6129-z
Keywords
Quartz crystal microbalance; Nitrogen dioxide; Low concentration; Qraphene; Room temperature
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Funding
- National Natural Science Foundation of China [61673191, 61671218, 61674066]
- Project for Changjiang Scholars Innovation Team in the Ministry of Education of China [IRT3018]
- State Key Laboratory of Transducer Technology, China [SKT1402]
- High Tech Project of Jilin Province, China [20150204029GX]
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Synthetic graphene composite was modified on a transducer of quartz crystal microbalance(QCM) to fabricate a gas sensor for low concentration nitrogen dioxide(NO2) detection. The gas sensing properties of the QCM coated with SnO2-rGO and AgNPs-SnO2-rGO composites were investigated when exposing QCM to low NO2 concentration(2.05-20.5 mg/m(3)) atmosphere at room temperature. The sensing performances of the QCM with AgNPs-SnO2-rGO composites were enhanced by the introduction of Ag nanoparticles, and the QCM modified with AgNPs-SnO2-rGO composites could detect NO2 at room temperature.
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