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Proceedings 2017, 1(4), 404; doi:10.3390/proceedings1040404

Modification of SnO2 Nanowires with TeO2 Branches and Their Enhanced Gas Sensing

Department of Materials Science and Engineering, Hanyang University, Seoul 133-791, Korea
The Research Institute of Industrial Science, Hanyang University, Seoul 133-791, Korea
Department of Materials Science and Engineering, Inha University, Incheon 402-751, Korea
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
Authors to whom correspondence should be addressed.
Published: 17 August 2017
(This article belongs to the Proceedings of Eurosensors 2017)
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We prepared a highly sensitive and selective NO2 sensor, based on the TeO2 branched SnO2 nanowires (NWs), in terms of vapor-liquid-solid method, with subsequent growing of branches on the stems of SnO2 NWs. Fabricated sensors showed a high response higher than 10 to 10 ppm of NO2 gas at 100 °C. We investigated the associated sensing mechanisms, with respect to the enhancement of sensing behaviors by the addition of TeO2 branches. Based on the results obtained in this work, we believe that the present sensor with an efficient fabrication technique, and high sensitivity and selectivity can be used for detection of NO2 gas in real applications.
Keywords: SnO2 nanowires; TeO2 branches; gas sensing SnO2 nanowires; TeO2 branches; gas sensing
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Choi, M.S.; Bang, J.H.; Mirzaei, A.; Kim, H.W.; Kim, S.S. Modification of SnO2 Nanowires with TeO2 Branches and Their Enhanced Gas Sensing. Proceedings 2017, 1, 404.

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