In the realm of solids, Metal-Organic Frameworks (MOFs) offer unique possibilities for a rationale-based engineering of tailored physical properties. These derive from the modular, molecular make-up of MOFs, which allows for the selection and modification of the organic and inorganic building units that construct them. The adaptable properties make MOFs interesting materials for photocatalysis, an area of increasing significance. But the molecular and porous nature of a MOs leaves the field, in some areas, juxtapositioned between semiconductor physics and homogeneous photocatalysis. While descriptors from both fields are applied in tandem, the gap between theory and experiment has widened in some area’s, and arguably needs fixing. Here we review, on the basis of the literature, where MOFs have shown to be similar to conventional semiconductors in photocatalysis, and where they have shown to be more like infinite molecules in solution. We do this from the perspective of band theory, which in the context of photocatalysis, covers both the molecular and nonmolecular principles of relevance.
Bibliographical noteKAUST Repository Item: Exported on 2021-07-15
Acknowledgements: Authors wish to acknowledge Sandra Ramirez Cherbuy for the graphic design. King Abdullah University of Science and Technology is gratefully acknowledged for financial support through the CRG Program.
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