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New dyes containing pyridine anchoring group and different nitrogen-based heterocyclic electron-donating units linked via benzothiadiazole moiety have been synthesized and characterized by photophysical studies. Incorporation of benzothiadiazole extended the absorption onset into the lower energy region up to 600 nm. The dyes possessing vinyl linker between the heterocyclic donor and benzothiadiazole...
A series of new organic dyes containing an electron-deficient diphenylquinoxaline moiety was synthesized and employed as the photosensitizers in dye-sensitized solar cells (DSSCs). The multiple phenyl rings in the peripheral positions of the dye structure provide a hydrophobic barrier to slow down the charge recombination. The photophysical and electrochemical properties of these dyes were investigated...
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