Patent ID: 9246106
Filing Date: 2016-01-26
CPC Classification: H01L,Y02E

Claim Text:
1. An organic photovoltaic cell including an electron acceptor material, wherein the electron acceptor material comprises molecules including one or more moieties selected from the group consisting of: vinylimide, vinylthioimide, alkynylimide and/or alkynylthioimide moieties; wherein the molecules have an electron acceptor group B and one to six electron acceptor A groups covalently bound to a B group, wherein each of the A groups individually consists of: a) wherein X consists of a  fragment, wherein W are each independently O or S, and wherein R is a C 1 -C 20 branched, unbranched or cyclic alkyl or heteroalkyl group having none, some or all hydrogen atoms substituted with fluorine atoms; b) wherein Y consists of one or more aromatic rings; and c) wherein Z is a doubly bonded hydrocarbon having a —C═C— structure or a triply bonded —C≡C— structure.