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Developing carbazole derivatives as the electron donor for organic dyes have attracted extensive interest recently. Three organic dyes M92-94 based on the 9-hexyl-2-(hexyloxy)-9H-carbazole (HHCBZ) electron donor have been successfully designed and synthesized for dye-sensitized solar cells. M95 with the 9-hexyl-9H-carbazole (HCBZ) unit has also been synthesized for comparison. An introduction of the...
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