Rational design of a neutral pH functional and stable organic photocathode
Francàs Forcada, Laia (Imperial College London. Department of Chemistry)
Burns, Eric (Imperial College London. Department of Chemistry)
Steier, Ludmilla (Imperial College London. Department of Chemistry)
Cha, Hyojung (Imperial College London. Department of Chemistry)
Solà-Hernández, Lluís (Universitat Autònoma de Barcelona. Departament de Química)
Li, Xiaoe (Imperial College London. Department of Chemistry)
Tuladhar, Pabitra Shakya (Imperial College London. Department of Chemistry)
Bofill Arasa, Roger (Universitat Autònoma de Barcelona. Departament de Química)
García-Antón, Jordi (Universitat Autònoma de Barcelona. Departament de Química)
Sala Román, Xavier (Universitat Autònoma de Barcelona. Departament de Química)
Durrant, James R. (Imperial College London. Department of Chemistry)

Date:	2018
Abstract:	In this work we lay out design guidelines for catalytically more efficient organic photocathodes achieving stable hydrogen production in neutral pH. We propose an organic photocathode architecture employing a NiO hole selective layer, a PCDTBT:PCBM bulk heterojunction, a compact TiO2 electron selective contact and a RuO2 nanoparticle catalyst. The role of each layer is discussed in terms of durability and function. With this strategically designed organic photocathode we obtain stable photocurrent densities for over 5 h and discuss routes for further performance improvement.
Grants:	European Commission 291482 Ministerio de Economía y Competitividad CTQ2015-64261-R European Commission 658270
Rights:	Tots els drets reservats.
Language:	Anglès
Document:	Article ; recerca ; Versió acceptada per publicar
Published in:	Chemical communications, Vol. 54, Issue 45 (June 2018) , p. 5732-5735, ISSN 1364-548X

DOI: 10.1039/c8cc01736k

Postprint 6 p, 1.2 MB

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