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Impact of Oxygen Vacancy Occupancy on Charge Carrier Dynamics in BiVO4 Photoanodes
Selim, Shababa; Pastor , Ernest; García-Tecedor, Miguel; Morris, Madeleine; Francàs Forcada, Laia; Sachs, Michael; Moss, Benjamin; Corby, Sacha; Mesa, Camilo A.; Giménez Juliá, Sixto; Kafizas, Andreas; Bakulin, Artem; Durrant, James American Chemical Society (2019-11-27)Oxygen vacancies are ubiquitous in metal oxides and critical to performance, yet the impact of these states upon charge carrier dynamics important for photoelectrochemical and photocatalytic applications remains contentious ... -
The role of crystal facets and disorder on photo-electrosynthesis
Pastor, Ernest; Montañés, Laura; Gutiérrez-Blanco, Ana; Hegner, Franziska; Mesa, Camilo A.; Lopez, Nuria; Giménez Juliá, Sixto Royal Society of Chemistry (2022-09-23)Photoelectrochemistry has the potential to play a crucial role in the storage of solar energy and the realisation of a circular economy. From a chemical viewpoint, achieving high conversion efficiencies requires subtle ... -
Water oxidation kinetics of nanoporous BiVO4 photoanodes functionalised with nickel/iron oxyhydroxide electrocatalysts
Francàs Forcada, Laia; Selim, Shababa; Corby, Sacha; Lee, Dongho; Mesa, Camilo A.; Pastor , Ernest; Choi, Kyoung-Shin; Durrant, James Royal Society of Chemistry (2021-04-15)In this work, spectroelectrochemical techniques are employed to analyse the catalytic water oxidation performance of a series of three nickel/iron oxyhydroxide electrocatalysts deposited on FTO and BiVO4, at neutral pH. ...