Si-Bridged Ladder-Type Small-Molecule Acceptors for High-Performance Organic Photovoltaics.
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DOI: 10.1021/acsami.8b17753
Abstract: In this study, we synthesized 5,11-dihexyl-4,4,10,10-tetraoctylbenzo[1,2- b:4,5- b']bisthieno[4″,5″- b″:4‴,5‴- b‴]silolo[2″,3″- d:2‴,3‴- d']thiophene (ArSi) as a ladder-type electron-rich core for the preparation of three acceptor-donor-acceptor-type nonfullerene acceptors (NFAs)-ArSiID, ArSiID-F, and ArSiID-Cl-featuring (3-oxo-2,3-dihydro-1 H-inden-1-ylidene)malononitrile (ID), 2-(5,6-difluoro-3-oxo-2,3-dihydro-1 H-inden-1-ylidene)malononitrile… read more here.
Keywords: oxo dihydro; inden ylidene; dihydro inden; ylidene malononitrile ... See more keywords