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Rational design of a neutral pH functional and stable organic photocathode

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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.

Graphical abstract: Rational design of a neutral pH functional and stable organic photocathode

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Publication details

The article was received on 02 Mar 2018, accepted on 03 May 2018 and first published on 15 May 2018


Article type: Communication
DOI: 10.1039/C8CC01736K
Citation: Chem. Commun., 2018, Advance Article
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    Rational design of a neutral pH functional and stable organic photocathode

    L. Francàs, E. Burns, L. Steier, H. Cha, L. Solà-Hernández, X. Li, P. Shakya Tuladhar, R. Bofill, J. García-Antón, X. Sala and J. R. Durrant, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C8CC01736K

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