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Synthesis and Characterization of New Conjugated Fluorenyl-Porphyrin Dendrimers for Optics

Abstract : 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 π-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-H1,2,3 and TPP-H4,5,6 ). 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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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01286284
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Submitted on : Thursday, March 10, 2016 - 3:37:08 PM
Last modification on : Wednesday, October 14, 2020 - 4:10:43 AM

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Dandan Yao, Xu Zhang, Olivier Mongin, Frédéric Paul, Christine O Paul-Roth. Synthesis and Characterization of New Conjugated Fluorenyl-Porphyrin Dendrimers for Optics. Chemistry , Wiley, 2016, 22 (16), pp.5583-5597. ⟨10.1002/chem.201504617⟩. ⟨hal-01286284⟩

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