Hybrid photocathode based on a Ni molecular catalyst and Sb2Se3 for solar H2 production

D. Alicia Garcia-Osorio, Thomas P. Shalvey, Liam Banerji, Khezar Saeed, Gaia Neri, Laurie J. Phillips, Oliver S. Hutter, Carla Casadevall, Daniel Antón-García, Erwin Reisner, Jonathan D. Major*, Alexander J. Cowan*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

We report a H2 evolving hybrid photocathode based on Sb2Se3 and a precious metal free molecular catalyst. Through the use of a high surface area TiO2 scaffold, we successfully increased the Ni molecular catalyst loading from 7.08 ± 0.43 to 45.76 ± 0.81 nmol cm−2, achieving photocurrents of 1.3 mA cm−2 at 0 V vs. RHE, which is 81-fold higher than the device without the TiO2 mesoporous layer.
Original languageEnglish
Pages (from-to)944-947
Number of pages4
JournalChemical Communications
Volume59
Issue number7
Early online date19 Dec 2022
DOIs
Publication statusPublished - 19 Jan 2023

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