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Organic dyes end-capped with perfluorophenyl anchors: Synthesis, electrochemical properties and assessment of sensitization capacity of titania photoanodes
Dyes and Pigments ( IF 4.5 ) Pub Date : 2017-09-07 , DOI: 10.1016/j.dyepig.2017.09.007
Panagiotis Giannopoulos , Dimitrios Raptis , Krystallia Theodosiou , Aikaterini K. Andreopoulou , Charalampos Anastasopoulos , Alexandros Dokouzis , George Leftheriotis , Panagiotis Lianos , Joannis K. Kallitsis

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- and benzothiadiazole-based units. All dyes and their corresponding photoanodes, were characterized via various complementary techniques, including Cyclic Voltammetry measurements and sensitization capacity in Dye-sensitized solar cell tests.



中文翻译:

用全氟苯基锚定剂封端的有机染料:二氧化钛光阳极的合成,电化学性质和敏化能力评估

在目前的工作中,合成了有机增感剂,并通过Ti-OC键将其附着在TiO 2光电阳极上。为此目的设计的所有敏化剂都是对称的,并具有两个全氟苯基端基,它们可以在TiO 2表面上形成稳定的不可水解键。通过咔唑基和苯并噻二唑基单元的交替实现了在UV-Vis区域的广泛吸收和低带隙能级。所有染料及其相应的光阳极均通过各种互补技术进行了表征,包括循环伏安法测量和染料敏化太阳能电池测试中的敏化能力。

更新日期:2017-09-07
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