公开(公告)号：ZA201109419B

公开(公告)日：2017-11-29

申请号：ZA201109419

申请日：2011-12-21

Applicant: BASF SE

Inventor： LEOW YOON WUI AUGUSTINE ,  BAHULAYAN SHEEJA ,  BRUDER INGMAR ,  HWANG JAE HYUNG ,  SUNDARRAJ SUDHAKAR ,  OJALA ANTTI ,  KONEMANN MARTIN ,  SCHONEBOOM JAN ,  SENS RUDIGER ,  GESSNER THOMAS ,  ERK PETER

Abstract: The present invention relates to organic solar cell comprising at least one photoactive region comprising an organic donor material in contact with an organic acceptor material and forming a donor-acceptor heterojunction, wherein the photoactive region comprises at least one compound of the formulae Ia and/or Ib where M, (Ra)m and (Rb)n as described in the claims and description. Furthermore, the present invention relates to compounds of formulae Ia and Ib, wherein M, (Ra)m and n are as described in the claims and description and Rb is fluorine and to a process for preparing them.