A composite structure based on reduced graphene oxide and metal oxide nanomaterials for chemical sensors

Year: 2016

Authors: Galstyan V., Comini E., Kholmanov I., Ponzoni A., Sberveglieri V., Poli N., Faglia G., Sberveglieri G.

Autors Affiliation: Sensor Lab, CNR, National Institute of Optics (INO), Via Valotti 9,25133 Brescia, Italy;
Sensor Lab, Department of Information Engineering, University of Brescia, Via Valotti 9, 25133 Brescia, Italy;
Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712, USA

Abstract: A hybrid nanostructure based on reduced graphene oxide and ZnO has been obtained for the detection of volatile organic compounds. The sensing properties of the hybrid structure have been studied for different concentrations of ethanol and acetone. The response of the hybrid material is significantly higher compared to pristine ZnO nanostructures. The obtained results have shown that the nanohybrid is a promising structure for the monitoring of environmental pollutants and for the application of breath tests in assessment of exposure to volatile organic compounds.


Volume: 7      Pages from: 1421  to: 1427

More Information: The research leading to these results has received funding from the following projects: “New approaches and methodologies for bioremediation of water contaminated by chlorinated aliphatic solvents (SUSBIOREM)” (funded by the National Research Council (CNR) and Lombardia Region); “MSP: Multi Sensor Platform for Smart Building Management” (grant agreement No. 611887, funded by the European Commission through its 7th Framework Programme); “FIRB – Oxides at the nanoscale: multifunctionality and applications” (Protocollo: RBAP115AYN, funded by the Italian Ministry of Education).
KeyWords: chemical sensors; reduced graphene oxide (RGO); volatile organic compounds; zinc oxide (ZnO);
DOI: 10.3762/bjnano.7.133

Citations: 31
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