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The role of the axial substituent in subphthalocyanine acceptors for bulk-heterojunction solar cells

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.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Angewandte Chemie International Edition, 2017, 56(1), 148-152

Editorial: Wiley

 Fecha de publicación: 02/01/2017

Nº de páginas: 5

Tipo de publicación: Artículo de Revista

 DOI: 10.1002/anie.201608644

ISSN: 1521-3773,1433-7851

Proyecto español: CTQ2014-52869-P

Url de la publicación: https://doi.org/10.1002/anie.201608644

Autores/as

DUAN, CHUNHUI

ZANGO CASADO, GERMÁN

COLBERTS, FALLON J. M.

WIENK, MARTIJN M.

MARTÍNEZ DÍAZ, MARÍA VICTORIA

JANSSEN, RENÉ A. J.

TORRES CEBADA, TOMÁS