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Article

Ultrathin Tungsten Oxide Nanowires/Reduced Graphene Oxide Composites for Toluene Sensing

1
Hefei National Laboratory for Physical Sciences at the Microscale, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, University of Science and Technology of China, 230026 Hefei, China
2
Nanomaterials & Environment Detection Laboratory, Institute of Intelligent Machines, Chinese Academy of Sciences, 230031 Hefei, China
*
Authors to whom correspondence should be addressed.
Sensors 2017, 17(10), 2245; https://doi.org/10.3390/s17102245
Received: 22 July 2017 / Revised: 6 September 2017 / Accepted: 8 September 2017 / Published: 29 September 2017
(This article belongs to the Special Issue Advanced Sensors Based on Carbon Electrodes)
Graphene-based composites have gained great attention in the field of gas sensor fabrication due to their higher surface area with additional functional groups. Decorating one-dimensional (1D) semiconductor nanomaterials on graphene also show potential benefits in gas sensing applications. Here we demonstrate the one-pot and low cost synthesis of W18O49 NWs/rGO composites with different amount of reduced graphene oxide (rGO) which show excellent gas-sensing properties towards toluene and strong dependence on their chemical composition. As compared to pure W18O49 NWs, an improved gas sensing response (2.8 times higher) was achieved in case of W18O49 NWs composite with 0.5 wt. % rGO. Promisingly, this strategy can be extended to prepare other nanowire based composites with excellent gas-sensing performance. View Full-Text
Keywords: ultrathin nanowires; nanocomposites; toluene sensing; W18O49 nanowires ultrathin nanowires; nanocomposites; toluene sensing; W18O49 nanowires
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MDPI and ACS Style

Hassan, M.; Wang, Z.-H.; Huang, W.-R.; Li, M.-Q.; Liu, J.-W.; Chen, J.-F. Ultrathin Tungsten Oxide Nanowires/Reduced Graphene Oxide Composites for Toluene Sensing. Sensors 2017, 17, 2245. https://doi.org/10.3390/s17102245

AMA Style

Hassan M, Wang Z-H, Huang W-R, Li M-Q, Liu J-W, Chen J-F. Ultrathin Tungsten Oxide Nanowires/Reduced Graphene Oxide Composites for Toluene Sensing. Sensors. 2017; 17(10):2245. https://doi.org/10.3390/s17102245

Chicago/Turabian Style

Hassan, Muhammad, Zhi-Hua Wang, Wei-Ran Huang, Min-Qiang Li, Jian-Wei Liu, and Jia-Fu Chen. 2017. "Ultrathin Tungsten Oxide Nanowires/Reduced Graphene Oxide Composites for Toluene Sensing" Sensors 17, no. 10: 2245. https://doi.org/10.3390/s17102245

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