Surface oxygen vacancies enriched Pt/TiO2 synthesized with a defect migration strategy for superior photocatalytic activity
Abstract
Bulk Ovs would diffuse to the surface under vacuum annealing. Defect migration improves the concentration of surface Ovs. Ovs enriched surface of Pt/TiO2 increases the proportion of active Pt species.
- Publication:
-
Applied Surface Science
- Pub Date:
- March 2020
- DOI:
- 10.1016/j.apsusc.2019.145021
- Bibcode:
- 2020ApSS..50645021Q
- Keywords:
-
- Pt/TiO<SUB>2</SUB>;
- Bulk oxygen vacancy;
- Surface oxygen vacancy;
- Defect migration;
- Photocatalysis