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- W1963870748 abstract "Poly(9,9-dipropargylfluorene) and poly(2-substituted-9,9-dipropargylfluorene)s (X = Ac, Br, NO2) were prepared by the palladium-catalyzed dehydrocoupling polymerization reaction of 2-substituted-9,9-dipropargylfluorenes. The thermal and optical properties of the polymers have been investigated. The diacetylenic functions in polymer main chain started to be thermally crosslinked in the range of 143–177°C. The photoluminescence spectra of polymers were in the range of 407–410 nm, which are corresponded to the photon energy of 3.05–3.03 eV. The quantum yield of poly(DPF-Br) is the highest value (55.84%), which means probably the contribution of electron-donating character of Bromine at the 2-position of fluorene." @default.
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- W1963870748 date "2006-11-01" @default.
- W1963870748 modified "2023-09-23" @default.
- W1963870748 title "Synthesis and Optical Properties of Poly(2-substituted-9,9-dipropargylfluorene)s" @default.
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- W1963870748 doi "https://doi.org/10.1080/15421400600932421" @default.
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