Investigation of functional photoluminescent materials based on multiple introduction of heteroatoms

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Methods for the introduction of sulfur, selenium, nitrogen or tellurium atoms to π-conjugated molecules were established, and photoluminescence properties of the π-conjugated molecules were investigated. Highly selective photoinduced or transition-metal-catalyzed introduction of sulfur, selenium, tellurium, nitrogen, or phosphorus atoms into unsaturated bonds was carried out, successfully. Crystal structures, redox potentials, and photoluminescence properties of a series of π-conjugated molecules were measured. The sulfur containing polymers indicated strong photoluminescence and complexation with metal species was observed.