Abstract
Abstract A series of poly(aryleneethynylene)s containing dibenzosilole unit has been synthesized by palladium-catalyzed Sonogashira cross-coupling reactions with 2,7-diethynyl-9,9-dihexyl-3,6-dimethoxy-9 H -dibenzosilole ( 4 ) as the key monomer. Their photo-physical properties in solution were investigated. All of the polymers showed intense fluorescence with high quantum efficiencies.
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