Journal
DALTON TRANSACTIONS
Volume 44, Issue 4, Pages 1875-1881Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4dt03213f
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Funding
- National Natural Science Foundation of China [91122003]
- Developing Science Funds of Tongji University
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A series of photofunctional polymer hybrid thin films based on rare earth ion functionalized metal organic frameworks (MOFs, 1 for zinc complexes bio-MOF-1 (Zn-8(ad)(4)(BPDC)(6)O center dot 2Me(2)NH(2)) and 2 for rare earth complexes RE(BPDC)(Ad) (BPDC = biphenyl-4,4'-dicarboxylic acid, Ad = adenine) have been prepared via polymerization reaction of ethyl methacrylate (EMA) and 4-vinylpyridine (VPD). The as-obtained hybrid films were characterized by X-ray diffraction, FT-IR, and SEM, especially for the luminescence performance and sensing ability. These hybrid polymer thin films are dense and transparent and display multicolors, including blue, red and blue-green. Among them, Y0.9Tb0.0999Eu0.0001-2 fabricated hybrid thin film displays a white light output. More significantly and interestingly, the Tb0.999Eu0.001-2 fabricated hybrid thin film can be used as luminescent ratiometric thermometer based on the energy transfer from Tb3+ to Eu3+, whose color will change from blue-green to pink from 100 K to 320 K.
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