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- Title
Dicyanovinyl and Cyano-Ester Benzoindolenine Squaraine Dyes: The Effect of the Central Functionalization on Dye-Sensitized Solar Cell Performance.
- Authors
Galliano, Simone; Novelli, Vittoria; Barbero, Nadia; Smarra, Alessandra; Viscardi, Guido; Borrelli, Raffaele; Sauvage, Frédéric; Barolo, Claudia
- Abstract
In order to achieve a greater light absorption in the near-infrared (NIR) region with a panchromatic spectral response and to suppress the photo-isomerisation phenomenon, we herein report the design, synthesis, spectroscopic and electrochemical characterization of novel centrally functionalized symmetric benzoindolenine squaraine dyes. These molecules have shown different photoelectrical conversion properties, depending on the dicyanovinyl and cyano-ester group substitution on the squaric core unit and on the extension of the π-conjugation.
- Subjects
INDUSTRIAL applications of near infrared radiation; NEAR infrared spectroscopy; SOLAR cell efficiency; ESTERS spectra; ESTER derivatives
- Publication
Energies (19961073), 2016, Vol 9, Issue 7, p486
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en9070486