An unprecedented {Ni 14 SiW 9 } hybrid polyoxometalate with high photocatalytic hydrogen evolution activity

Grégoire Paille (1) , Amandine Boulmier (1) , Alexandre Bensaid (2) , Minh-Huong Ha-Thi (3) , Thu-Trang Tran (3) , Thomas Pino (3) , Jérôme Marrot (1) , Eric Rivière (4) , Christopher H Hendon (5) , Olivier Oms (1) , Maria Gomez-Mingot (2) , Marc Fontecave (2) , Caroline Mellot-Draznieks (2) , Anne Dolbecq (1) , Pierre Mialane (1)

1 ILV - Institut Lavoisier de Versailles
2 LCPB - Laboratoire de Chimie des Processus Biologiques
3 ISMO - Institut des Sciences Moléculaires d'Orsay
4 ICMMO - Institut de Chimie Moléculaire et des Matériaux d'Orsay
5 University of Oregon [Eugene]

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.

Domaines: Matériaux; Catalyse

Grégoire Paille, Amandine Boulmier, Alexandre Bensaid, Minh-Huong Ha-Thi, Thu-Trang Tran, et al.. An unprecedented {Ni 14 SiW 9 } hybrid polyoxometalate with high photocatalytic hydrogen evolution activity. Chemical Communications, 2019, 55 (29), pp.4166-4169. ⟨10.1039/c9cc01269a⟩. ⟨hal-03107256⟩