Synthesis and optical properties of the [2.2]paracyclophane-containing π-conjugated polymer with a diacetylene unit
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Novel through-spaceπ-conjugated polymer based on poly(p-henyleneethynylene)/poly(p-phenylenebutadiynylene) hybrids containing a [2.2]paracyclophane unit in the main chain was synthesized by copper-catalyzed alkyne coupling reaction. The structure of the polymer was supported by 1H NMR and IR spectra. The obtained polymer was soluble in common organic solvents such as THF, CH2C12, CHC13 and toluene. The number-average of molecular weight of the polymer was estimated to be 63000 by GPC. The polymer emitted a bluish green light in solution and in the solid state.
KeywordsPolymer Molecular Weight Toluene Solid State Optical Property
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