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Abstract: Four hexachlorosubphthalocyanines SubPcCl6-X bearing different axial substituents (X) have been synthesized for use as novel electron acceptors in solution-processed bulk- heterojunction organic solar cells. Subphthalocyanines are aromatic chromophoric molecules with cone-shaped structure, good solution processability, intense optical absorption in the visible spectral region, appropriate electron mobilities, and tunable energy levels. Solar cells with subphthalocyanines as the electron acceptor and PTB7-Th as the electron donor exhibit a power conversion efficiency up to 4% and an external quantum efficiency approaching 60% due to significant contributions from both the electron donor and the electron acceptor to the photocurrent, indicating a promising prospect of non-fullerene acceptors based on subphthalocyanines and structurally related systems.
Fuente: Angewandte Chemie, 2017, 56(1), 148-152
Publisher: Wiley
Publication date: 02/01/2017
No. of pages: 5
Publication type: Article
DOI: 10.1002/anie.201608644
ISSN: 1521-3773,1433-7851
Spanish project: CTQ2014-52869-P
Publication Url: https://doi.org/10.1002/anie.201608644
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UCrea Repository Read publication
DUAN, CHUNHUI
ZANGO CASADO, GERMÁN
MIGUEL GARCIA IGLESIAS
COLBERTS, FALLON J. M.
WIENK, MARTIJN M.
MARTÍNEZ DÍAZ, MARÍA VICTORIA
JANSSEN, RENÉ A. J.
TORRES CEBADA, TOMÁS
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