An unprecedented {Ni14SiW9} hybrid polyoxometalate with high photocatalytic hydrogen evolution activity

Grégoire Paille; Amandine Boulmier; Alexandre Bensaid; Minh-Huong Ha-Thi; Thu-Trang Tran; Thomas Pino; Jérôme Marrot; Eric Rivière; Christopher H. Hendon; Olivier Oms; Maria Gomez-Mingot; Marc Fontecave; Caroline Mellot-Draznieks; Anne Dolbecq; Pierre Mialane

doi:10.1039/C9CC01269A

An unprecedented {Ni₁₄SiW₉} hybrid polyoxometalate with high photocatalytic hydrogen evolution activity†

Grégoire Paille,‡^ab Amandine Boulmier,‡^a Alexandre Bensaid,^b Minh-Huong Ha-Thi,

^c Thu-Trang Tran,^c Thomas Pino,^c Jérôme Marrot,^a Eric Rivière,^d Christopher H. Hendon,

^e Olivier Oms,

^a Maria Gomez-Mingot,

^b Marc Fontecave,^b Caroline Mellot-Draznieks,^b Anne Dolbecq^a and Pierre Mialane

*^a

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^a Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin en Yvelines, Université Paris-Saclay, 45 Avenue des Etats-Unis, 78035 Versailles Cedex, France
E-mail: pierre.mialane@uvsq.fr

^b Laboratoire de Chimie des Processus Biologiques, UMR CNRS 8229, Collège de France, Sorbonne Université, PSL Research University, 11 Place Marcelin Berthelot, 75231 Paris Cedex 05, France

^c Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France

^d Institut de Chimie Moléculaire et des Matériaux d’Orsay, UMR 8182, CNRS, Univ. Paris-Sud, Université Paris-Saclay, 91405 Orsay cedex, France

^e University of Oregon, Department of Chemistry and Biochemistry, Eugene, OR, USA

Abstract

A unique polyoxometalate complex made up of a tetradecanuclear nickel bisphosphonate cluster capping a {SiW₉} unit has been characterized. This stable compound exhibits a high hydrogen evolution reaction photocatalytic activity under visible light irradiation via a reductive quenching mechanism.

Chemical Communications

An unprecedented {Ni₁₄SiW₉} hybrid polyoxometalate with high photocatalytic hydrogen evolution activity†

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An unprecedented {Ni₁₄SiW₉} hybrid polyoxometalate with high photocatalytic hydrogen evolution activity

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