Kucharski, Stefan;
Ferrer, Pilar;
Venturini, Federica;
Held, Georg;
Walton, Alex S;
Byrne, Conor;
Covington, James A;
... Blackman, Chris; + view all
(2022)
Direct in situ spectroscopic evidence of the crucial role played by surface oxygen vacancies in the O2-sensing mechanism of SnO2.
Chemical Science
10.1039/d2sc01738e.
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Abstract
NAP-XPS characterisation of SnO2 under operando conditions shows that resistance change, band bending and surface O-vacancy concentration are correlated with ambient O2 concentration, challenging current preconceptions of gas sensor function.
| Type: | Article |
|---|---|
| Title: | Direct in situ spectroscopic evidence of the crucial role played by surface oxygen vacancies in the O2-sensing mechanism of SnO2 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1039/d2sc01738e |
| Publisher version: | https://doi.org/10.1039/d2sc01738e |
| Language: | English |
| Additional information: | This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third-party material in this article are included in the Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
| UCL classification: | 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 UCL > Provost and Vice Provost Offices > UCL BEAMS UCL |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10148618 |
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