Hybrid Molecular Photoanodes for Water Oxidation Based on Electropolymerized Cu Macrocyclic Complexes on BiVO4-WO3
The conversion of sunlight into chemical energy provides a sustainable alternative to fossil fuels that can significantly contribute to the mitigation of climate change. In this regard, water splitting with sunlight using semiconductors coupled with redox catalysts emerges as a potential pathway to...
| Autores: | , , , , , , , , , , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2025 |
| País: | España |
| Institución: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repositorio: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:2072/486656 |
| Acceso en línea: | http://hdl.handle.net/2072/486656 https://doi.org/10.1002/aenm.202500253 |
| Access Level: | acceso abierto |
| Palabra clave: | Química 54 |
| Sumario: | The conversion of sunlight into chemical energy provides a sustainable alternative to fossil fuels that can significantly contribute to the mitigation of climate change. In this regard, water splitting with sunlight using semiconductors coupled with redox catalysts emerges as a potential pathway to generate green hydrogen. Here, the performance of molecular hybrid materials composed of inorganic semiconductors, WO3-BiVO4, combined with molecular water oxidation catalysts based on Cu macrocyclic complexes is described. It is found that the charge transfer from BiVO4 to the molecular catalyst occurs on a similar time scale to the direct interfacial hole transfer to water, with a concomitant 62% decrease in the recombination rate because recombination centers are passivated upon deposition of the Cu molecular catalyst on the WO3-BiVO4 junction. Overall, this results in an improvement of the photocurrent as well as long-term stability of the new hybrid materials generated. |
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