Preparation and gas-sensing properties of SnO/graphene quantum dots composites via solvothermal method
Journal of Materials Science, ISSN: 1573-4803, Vol: 52, Issue: 16, Page: 9441-9451
2017
- 23Citations
- 27Captures
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Article Description
SnO/graphene quantum dots (GQDs) nano-composites were prepared via solvothermal method (160 °C, 10 h), in which graphene quantum dots were synthesized from graphene oxide by one-step solvothermal method. The nano-composites were characterized by means of HRTEM, XRD, SEM, FTIR, XPS and N adsorption–desorption, respectively. The sensor devices were fabricated using SnO/GQDs nano-composites as sensing materials. The effect of the GQDs content on the gas-sensing responses and the gas-sensing selectivity was investigated. The experimental results showed that the sensor based on SnO/GQDs nano-composite (S-2) exhibited good response and good selectivity to acetone vapor. When operating at 275 °C, the responses of the sensor based on SnO/GQDs nano-composite (S-2) to 1000 and 0.1 ppm acetone reached 120.6 and 1.3, respectively; the response time and the recovery time for 1000 ppm acetone were 17 and 13 s, respectively.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85019958106&origin=inward; http://dx.doi.org/10.1007/s10853-017-1148-9; http://link.springer.com/10.1007/s10853-017-1148-9; http://link.springer.com/content/pdf/10.1007/s10853-017-1148-9.pdf; http://link.springer.com/article/10.1007/s10853-017-1148-9/fulltext.html; https://dx.doi.org/10.1007/s10853-017-1148-9; https://link.springer.com/article/10.1007/s10853-017-1148-9
Springer Nature
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