Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 140, Issue 49, Pages 16882-16887Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b09608
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Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC) [RGPIN-2017-06467, 2014-03587]
- NSERC E. W. R Steacie Memorial Fellowship [SMFSU 507347-17]
- NSERC [STPGP 463405-14]
- Fonds de Recherche du Quebec-Nature et Technologie (FQRNT)
- Canadian Foundation for Innovation (CFI)
- Drug Discovery and Training Program
- Groupe de Recherche Axe sur la Structure des Proteines (GRASP)
- NSERC
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We report a strategy to synthesize highly emissive, photostable, microporous materials by solid-state entrapment of boron dipyrromethene (BODIPY) fluorophores in a metal organic framework. Solvent-free mechanochemistry or accelerated aging enabled quantitative capture and dispersal of the PM605 dye within the ZIF-8 framework starting from inexpensive, commercial materials. While the design of emissive BODIPY solids is normally challenged by quenching in a densely packed environment, herein reported PM605@ZIF-8 materials show excellent emissive properties and to the best of our knowledge an unprecedented,similar to 10-fold enhancement of BODIPY photostability. Time-resolved and steady-state fluorescence studies of PM605@ZIF-8 show that interchromophore interactions are minimal at low dye loadings, but at higher ones lead to through-pore energy transfer between chromophores and to aggregate species.
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