Journal
TETRAHEDRON LETTERS
Volume 53, Issue 40, Pages 5437-5440Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.07.125
Keywords
Squaraine dye; Cyanoacrylate anchoring; Dye-sensitized solar cells; Far-red sensitization
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Aiming toward the development of far-red sensitive organic dyes, unsymmetrical squaraine dye bearing direct cyanoacrylate functionalized indole ring has been synthesized and characterized along with its utilization as photosensitizer for dye-sensitized solar cells. Upon dye-sensitized solar cell fabrication, this sensitizer exhibits its potentiality as a good far-red sensitive dye having photoconversion efficiency of 5.03% under the simulated solar irradiation at AM 1.5 conditions. This opens up further possibility to design efficient far-red sensitive dyes by judicious implementation of suitable donor moieties with extended it-conjugation. (C) 2012 Elsevier Ltd. All rights reserved.
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