Photochemical water splitting mediated by a C1 shuttle

N. P. Alderman, J. M. Sommers, C. J. Viasus, C. H T Wang, V. Peneau, S. Gambarotta, B. Vidjayacoumar, K. A. Al-Bahily

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The possibility of performing photochemical water splitting in a two-stage system, separately releasing the H and O components, has been probed with two separate catalysts and in combination with a formaldehyde/formate shuttling redox couple. In the first stage, formaldehyde releases hydrogen vigorously in the presence of an Na[Fe(CN)]·10HO catalyst, selectively affording the formate anion. In the second stage, the formate anion is hydro-genated back to formaldehyde by water and in the presence of a BiWO photocatalyst whilst releasing oxygen. Both stages operate at room temperature and under visible light irradiation. The two separate photocatalysts are compatible since water splitting can also be obtained in one-pot experiments with simultaneous H/O evolution.
Original languageEnglish (US)
Pages (from-to)49-54
Number of pages6
JournalDalton Trans.
Volume46
Issue number1
DOIs
StatePublished - 2017
Externally publishedYes

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