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Title: An electron rich indaceno [2,1-b:6,5-b '] dithiophene derivative as a high intramolecular charge transfer material in dye sensitized solar cells
Authors: Barlog, Maciej
Yavuz, Çağdaş
Ali, Abdulrahman K.
Kandemir, Zafer
Comi, Marc
Bazzi, Hassan S.
Erten-Ela, Sule
Issue Date: 2021
Publisher: Royal Soc Chemistry
Abstract: The synthesis, characterisation and photovoltaic performance of an indacenodithiophene (IDT)-based organic dye in DSSCs has been presented. The dye was designed with a novel A-D-A system, which combines the advantages of a large, pi-extended donor core, flanked with double acceptor/anchoring groups. The studies presented herein illustrate the utility of the IDT core as an efficient energy-level mediator, and fluorescence resonance energy-transfer module operating via intramolecular charge transfer (ITC). In contrast to the current dyes used for DSCCs, the excitation in the IDT moiety occurs symmetrically along the long axis of the molecule, representing a new pathway of development of DSSCs. This compact system when fabricated into a metal free dye sensitized solar cell achieves promising power conversion efficiency of up to 4.2%, with a high short-circuit current density (J(sc)) of 11.69 mA cm(-2) and open-circuit voltage (V-oc) of 0.6 V and fill factor (FF) of 0.6 under AM 1.5 irradiation (100 mW cm(2)).
ISSN: 1144-0546
Appears in Collections:Mimarlık Bölümü Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu

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