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

X. Wang 1 F. Wisser 2 J. Canivet 2 M. Fontecave 1 C. Mellot-Draznieks 1
1 Chaire Chimie des processus biologiques
LCPB - Laboratoire de Chimie des Processus Biologiques
2 ING - IRCELYON-Ingéniérie, du matériau au réacteur
IRCELYON - Institut de recherches sur la catalyse et l'environnement de Lyon
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.
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X. Wang, F. Wisser, J. Canivet, M. Fontecave, C. Mellot-Draznieks. Immobilization of a Full Photosystem in the Large-Pore MIL-101 Metal-Organic Framework for CO2 reduction. ChemSusChem, ChemPubSoc Europe/Wiley, 2018, 11 (18), pp.3315-3322. ⟨10.1002/cssc.201801066⟩. ⟨hal-01886655⟩

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