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Angew Chem Int Ed Engl. 2013 Oct 25;52(44):11612-5. doi: 10.1002/anie.201305684. Epub 2013 Sep 11.

Highly efficient photocatalytic water reduction with robust iridium(III) photosensitizers containing arylsilyl substituents.

Author information

1
Center for Supramolecular Optoelectronic Materials, WCU Hybrid Materials Program and Department of Materials Science and Engineering, Seoul National University, Seoul 151-744 (Korea) http://csom.snu.ac.kr.

Abstract

Waterproof complexes: Cationic Ir(III) photosensitizers (PSs) with an ancillary 4,4'-bis(4-(triphenylsilyl)phenyl)-2,2'-bipyridine ligand enabled hydrogen evolution from water with high turnover numbers (TONs; see scheme). The peripheral triphenylsilyl moieties prevent ligand substitution by solvent molecules, such as water, and thus increase the durability of the complexes. SR=sacrificial reducing agent, WRC=water-reduction catalyst.

KEYWORDS:

hydrogen production; iridium; photocatalysis; photosensitizers; water reduction

PMID:
24027139
DOI:
10.1002/anie.201305684
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