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ChemSusChem. 2018 Sep 21;11(18):3315-3322. doi: 10.1002/cssc.201801066. Epub 2018 Aug 1.

Immobilization of a Full Photosystem in the Large-Pore MIL-101 Metal-Organic Framework for CO2 reduction.

Author information

1
Laboratoire de Chimie des Processus Biologiques (LCPB), Collège de France, PSL Research University, CNRS, Sorbonne Universités, 11 Marcelin Berthelot, 75231, Paris Cedex 05, France.
2
Univ. Lyon, Université Claude Bernard Lyon 1, CNRS, IRCELYON-UMR 5256, 2 Avenue Albert Einstein, 69626, Villeurbanne Cedex, France.

Abstract

A molecular catalyst [Cp*Rh(4,4'-bpydc)]2+ and a molecular photosensitizer [Ru(bpy)2 (4,4'-bpydc)]2+ (bpydc=bipyridinedicarboxylic acid) were co-immobilized into the highly porous metal-organic framework MIL-101-NH2 (Al) upon easy postsynthetic impregnation. The Rh-Ru@MIL-101-NH2 composite allows the reduction of CO2 under visible light, while exhibiting remarkable selectivity with the exclusive production of formate. This Rh-Ru@MIL-101-NH2 solid represents the first example of MOFs functionalized with both a catalyst and a photosensitizer in a noncovalent fashion. Thanks to the coconfinement of the catalyst and photosensitizer into the cavity's nanospace, the MOF pores are used as nanoreactors and enable molecular catalysis in a heterogeneous manner.

KEYWORDS:

carbon dioxide; heterogeneous catalysis; metal-organic frameworks; nanoreactors; photocatalysis

PMID:
29978953
DOI:
10.1002/cssc.201801066

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