Journal
TETRAHEDRON
Volume 70, Issue 45, Pages 8690-8695Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2014.09.039
Keywords
Dyes; Suzuki-Miyaura coupling; One-pot; Dye-sensitized solar cell; Thiophene
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We have developed a one-pot, four-component Suzuki-Miyaura coupling for the synthesis of thiophene-based donor-pi-bridge acceptor (D-pi-A) dyes for dye-sensitized solar cells. Two D-pi-A dyes, 19 and 20, retaining 3,4-ethylenedioxythiophene (EDOT) beside a cyanoacrylic acid moiety, and one D-pi-A dye 21 without EDOT (reference compound) were rapidly synthesized in accordance with the developed procedure. The measurement of the absorption spectra and the electrochemical properties of synthesized dyes, and the photovoltaic properties of solar cells that were prepared using the synthesized dyes 19-21, revealed that the dyes retaining only one EDOT beside a cyanoacrylic acid moiety would exert a high J(sc). (C) 2014 Elsevier Ltd. All rights reserved.
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