![]() In spite of the fact, that most of the derivatives exhibit hole conductivity, the derivatives with significant electron conductivity were prepared recently in our labs. Some derivatives exhibit gas sensing properties. It was shown, that depending on the side groups substitution, studied materials exhibit high molar absorption coefficient as well as high quantum yield of fluorescence or significant quantum yield of photogeneration. The experimental characterizations were accompanied with quantum chemical calculations. Relationship between the molecular structure of DPPs and Pcs, organic thin film morphology and their optical and optoelectronic properties such as charge transport and photogeneration were studied. Thermal and thermooxidative stability was studied by thermal gravimetry and differential scanning calorimetry in either nitrogen or air. Simultaneously, groups with various electron donating or withdrawing ability were linked to the basic pyrrolinone core to improve some of their optical and electrical properties such as absorption, molar coefficient, conductivity, photogeneration yield and others. Novel derivatives of DPPs and PCs with different side groups were synthesized to increase their solubility. ![]()
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