Abstract
Poly(9,9-dipropargylfluorenylene-biphenylene) was prepared by cross-coupling condensation of 9,9-dipropargylfluorene and 4,4′-diiodobiphenyl in high yield. The polymer structure was identified by various spectroscopic methods such as IR, 1H-, 13C NMR, UV-visible spectroscopies. The acetylenic units in the polymer main chain were found to be thermally crosslinked in the range of 167–278°C. The photoluminescence peak of the polymer is located 396 nm which corresponds to a photon energy of 3.13 eV.
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