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In the present work, organic sensitizers are synthesized and attached on TiO2 photoanodes via Ti-O-C bonds. All sensitizers, designed for this purpose are symmetrical and have two perfluorophenyl end groups, which can lead to stable non-hydrolysable bonds on the TiO2 surface. Broad absorption in the UV–Vis region and low band gap energy levels have been achieved through the alternation of carbazole-...