期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 16, 页码 5583-5597出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201504617
关键词
dendrimers; energy transfer; fluorenyl; fluorescence; porphyrins
资金
- UEB
- China Scholarship Council (C.S.C.)
A new family of conjugated meso-tetraphenylporphyrin-based dendrimers with four (TPP1, TPP2), eight (TPP3, TPP4, TPP5) and up to sixteen (TPP6) fluorenyl groups has been synthesized and fully characterized. These tetraphenylporphyrin-cored dendrimers present peripheral alkynyl -conjugated dendrons with fluorenyl termini. The meso-aryl rings of these porphyrins are functionalized either in para- (TPP1, TPP2, and TPP3) or meta-positions (TPP4, TPP5, and TPP6). Their detailed luminescence properties are discussed in reference to two porphyrins lacking fluorenyl dendrons (TPP-H-1,H-2,H-3 and TPP-H-4,H-5,H-6). A strong dependence of their luminescence quantum yield and lifetime on their structures is stated, their nonlinear optical properties were also discussed.
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