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Outstanding Short‐Circuit Currents in BHJ Solar Cells Based on NIR‐Absorbing Acceptor‐Substituted Squaraines
Author(s) -
Mayerhöffer Ulrich,
Deing Kaja,
Gruß Katrin,
Braunschweig Holger,
Meerholz Klaus,
Würthner Frank
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200903125
Subject(s) - acceptor , closing (real estate) , polymer solar cell , optoelectronics , materials science , polymer , absorption (acoustics) , current (fluid) , short circuit , physics , solar cell , electrical engineering , engineering , political science , voltage , law , composite material , condensed matter physics
Current affairs : Acceptor‐substituted squaraines exhibit unprecedented short‐circuit current density of up to 12.6 mA cm −2 in small‐molecule‐based solution‐processed bulk heterojunction (BHJ) solar cells (see picture). These values are closing the gap to polymer solar cells and together with the NIR absorption of the new cells may lead to wide applications.