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The organic dyes have been synthesized via a ‘Click’ reaction and employed in dye-sensitized solar cells, in which an electron-deficient 1,2,3-triazole unit is introduced to connect the thienyl group and the phenoxyl group as π-linkers. Compared with the non-thiophene containing reference dye, these new dyes show stronger intramolecular charge transfer and higher molar extinction coefficient with...
Three new organic dyes with one, two and three branched D–π–A structures derived from an electron donating triphenylamine core and connected by 1,2,3-triazole group to an electron deficient cyanoacrylate system have been conveniently synthesized via a ‘Click’ reaction. It was found that all three dyes show UV–vis absorptions in the 300–500 nm range with high molar extinction coefficients. A red-shift...
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