In:
Advanced Materials, Wiley, Vol. 29, No. 21 ( 2017-06)
Kurzfassung:
A new acceptor–donor–acceptor‐structured nonfullerene acceptor ITCC (3,9‐bis(4‐(1,1‐dicyanomethylene)‐3‐methylene‐2‐oxo‐cyclopenta[ b ]thiophen)‐5,5,11,11‐tetrakis(4‐hexylphenyl)‐dithieno[2,3‐ d ′:2,3‐ d′ ]‐s‐indaceno[1,2‐ b :5,6‐ b′ ]‐di thiophene) is designed and synthesized via simple end‐group modification. ITCC shows improved electron‐transport properties and a high‐lying lowest unoccupied molecular orbital level. A power conversion efficiency of 11.4% with an impressive V OC of over 1 V is recorded in photovoltaic devices, suggesting that ITCC has great potential for applications in tandem organic solar cells.
Materialart:
Online-Ressource
ISSN:
0935-9648
,
1521-4095
DOI:
10.1002/adma.201700254
Sprache:
Englisch
Verlag:
Wiley
Publikationsdatum:
2017
ZDB Id:
1474949-X