Vallejos, S;
Selina, S;
Annanouch, FE;
Gracia, I;
Llobet, E;
Blackman, C;
(2016)
Micromachined gas sensors based on Au-functionalized SnO2 nanorods directly integrated without catalyst seeds via AA-CVD.
In: Barsony, I and Zolnai, Z and Battistig, G, (eds.)
Proceedings of the 30th anniversary Eurosensors Conference – Eurosensors 2016, 4-7. Sepember 2016, Budapest, Hungary.
(pp. pp. 1078-1081).
Elsevier Science
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Abstract
Tin oxide nanorods functionalized with Au nanoparticles are vapour synthesised at relatively lower temperatures than previously reported and without the need of catalyst seeds using co-deposition method via aerosol-assisted chemical vapour deposition. These functionalized structures formed directly, in a single-step process, on silicon micromachined platforms are tested toward H2, showing 12-fold greater response, 6-fold faster response time and better selectivity to CO compared to a similar non-functionalized system. Results show the significance of these method to form highly gas sensitive nanostructures compatible with the complementary electronic for the fabrication of gas microsensor devices.
| Type: | Proceedings paper |
|---|---|
| Title: | Micromachined gas sensors based on Au-functionalized SnO2 nanorods directly integrated without catalyst seeds via AA-CVD |
| Event: | 30th Eurosensors Conference |
| Location: | Budapest, HUNGARY |
| Dates: | 04 September 2016 - 07 September 2016 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.proeng.2016.11.344 |
| Publisher version: | https://doi.org/10.1016/j.proeng.2016.11.344 |
| Language: | English |
| Additional information: | © 2016 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
| Keywords: | Engineering, Nanostructures, tin oxide, functionalization, AACVD, gas sensors, DEPOSITION, SURFACE, OXIDE |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1543623 |
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