Designing Efficient Solar-Driven Hydrogen Evolution Photocathodes Using Semitransparent MoQxCly(Q = S, Se) Catalysts on Si Micropyramids

Qi Ding, Jianyuan Zhai, Miguel Cabán-Acevedo, Melinda J. Shearer, Linsen Li, Hung-Chih Chang, Meng-Lin Tsai, Dewei Ma, Xingwang Zhang, Robert J. Hamers, Jr-Hau He, Song Jin

Research output: Contribution to journalArticlepeer-review

70 Scopus citations

Abstract

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Silicon micropyramids with n+pp+ junctions are demonstrated to be efficient absorbers for integrated solar-driven hydrogen production systems enabling significant improvements in both photocurrent and onset potential. When conformally coated with MoSxCly, a catalyst that has excellent catalytic activity and high optical transparency, the highest photocurrent density for Si-based photocathodes with earth-abundant catalysts is achieved.
Original languageEnglish (US)
Pages (from-to)6511-6518
Number of pages8
JournalAdvanced Materials
Volume27
Issue number41
DOIs
StatePublished - Sep 21 2015

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