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- W1999460172 endingPage "4130" @default.
- W1999460172 startingPage "4119" @default.
- W1999460172 abstract "The carboxylate ligand 1,3,6,8-tetrakis(p-benzoic acid)pyrene (TBAPy)-based on the strongly fluorescent long-lifetime pyrene core-affords a permanently microporous fluorescent metal-organic framework, [In(2)(OH)(2)(TBAPy)].(guests) (1), displaying 54% total accessible volume and excellent thermal stability. Fluorescence studies reveal that both 1 and TBAPy display strong emission bands at 471 and 529 nm, respectively, upon excitation at 390 nm, with framework coordination of the TBAPy ligands significantly increasing the emission lifetime from 0.089 to 0.110 ms. Upon desolvation, the emission band for the framework is shifted to lower energy: however, upon re-exposure to DMF the as-made material is regenerated with reversible fluorescence behavior. Together with the lifetime, the emission intensity is strongly enhanced by spatial separation of the optically active ligand molecules within the MOF structure and is found to be dependent on the amount and chemical nature of the guest species in the pores. The quantum yield of the material is found to be 6.7% and, coupled with the fluorescence lifetime on the millisecond time scale, begins to approach the values observed for Eu(III)-cryptate-derived commercial sensors." @default.
- W1999460172 created "2016-06-24" @default.
- W1999460172 creator A5001153628 @default.
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- W1999460172 creator A5086212554 @default.
- W1999460172 creator A5088268597 @default.
- W1999460172 date "2010-03-04" @default.
- W1999460172 modified "2023-10-17" @default.
- W1999460172 title "A Guest-Responsive Fluorescent 3D Microporous Metal−Organic Framework Derived from a Long-Lifetime Pyrene Core" @default.
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- W1999460172 doi "https://doi.org/10.1021/ja906041f" @default.
- W1999460172 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/20201518" @default.
- W1999460172 hasPublicationYear "2010" @default.