Charge Transfer Mechanism in Type II WO3/Cu2O Heterostructure
In this study, we explore the charge transfer mechanism between WO<sub>3</sub> and Cu<sub>2</sub>O in heterostructured WO<sub>3</sub>/Cu<sub>2</sub>O electrodes and in a WO<sub>3</sub>||Cu<sub>2</sub>O tandem photoelectrochemical cell. The physical-chemical characterizations of the individual WO<sub>3</sub> and Cu<sub>2</sub>O electrodes and the heterostructured WO<sub>3</sub>/Cu<sub>2</sub>O electrode by XRD, XPS, and SEM methods confirm the successful formation of the target systems. The results of photoelectrochemical studies infer that in both the heterostructured WO<sub>3</sub>/Cu<sub>2</sub>O electrode and WO<sub>3</sub>||Cu<sub>2</sub>O tandem photoelectrochemical cell, the major mechanism of charge transfer between WO<sub>3</sub> and Cu<sub>2</sub>O is a realization of the Z-scheme.
Authors
- Detlef Werner Bahnemann (ORCID: https://orcid.org/0000-0001-6064-6653)
- Aida V. Rudakova (ORCID: https://orcid.org/0000-0002-6223-9223)
- Anna A. Murashkina (ORCID: https://orcid.org/0000-0003-1168-0411)
- Alexei V. Emeline (ORCID: https://orcid.org/0000-0001-8338-7113)
- Tair V. Bakiev (ORCID: https://orcid.org/0000-0001-6325-3767)
Institutions
- St Petersburg University (RU)
Publication Details
- Journal
- Nanomaterials
- Published
- 2024-12-23
- DOI
- https://doi.org/10.3390/nano14242057
- Citations
- 5
- Primary Topic
- Advanced Photocatalysis Techniques
- Type
- article
- Field-Weighted Citation Impact
- 0.51
Funders
- Saint Petersburg State University
- Russian Science Foundation