Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 28, Issue 56, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202200938
Keywords
ligand modifications; metal-organic frameworks; photocatalysis; solvent-assisted ligand exchange
Categories
Funding
- National Natural Science Funds for Distinguished Young Scholars [51725201]
- International (Regional) Cooperation and Exchange Projects of the National Natural Science Foundation of China [51920105003]
- Innovation Program of Shanghai Municipal Education Commission [E00014]
- Science and Technology Commission of Shanghai Municipality [21DZ1207101]
- National Natural Science Foundation of China [51902105]
- Shanghai Engineering Research Center of Hierarchical Nanomaterials [18DZ2252400]
- Feringa Nobel Prize Scientist Joint Research Center
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In this study, a modification method using ligand exchange was applied to enhance the photocatalytic performance of MOFs for water splitting under visible-light irradiation. This work broadens the field of ligand modifications of MOFs.
Metal-organic frameworks (MOFs) constructed by ligands and metal clusters, have been considered as a promising material for photocatalytic water splitting. In this work, a solvent-assisted ligand exchange (SALE) method has been applied through partial reverse substitution of the ligand in NH2-MIL-125 (Ti) by 1,4-dicarboxybenzene (BDC). This modification strategy can optimize the charge transfer dynamics together with the preserved light absorption, resulting in a 3.3 times higher hydrogen production rate compared to the pristine material under visible-light irradiation. This work broadens the field of ligand modifications of MOFs to boost the photocatalytic performance.
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