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Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 3, Issue 4, Pages 643-654, DOI: https://doi.org/10.21307/ijssis-2017-413
License : (CC BY-NC-ND 4.0)
Published Online: 13-December-2017
The results of research aimed at the gas sensing nanowires (NWs) engineering are presented. Structurally modulated SnO2 NWs were obtained at 900oС in the modified vapor-solid process, allowing that NW morphology could be encoded in a programmable way along its length. PVD technique was used for Ti/Au electrical contacts deposition and gas sensitive nanoscale chemiresistors formation.
Created nanostructures were characterized for their gas sensing performance. It was established that structurally-modulated NWs possess better gas sensitive characteristics in comparison with the straight ones. Obtained results are discussed from the positions of single-crystal “necks” formation in NWs.
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