[EN] POLYMERS COMPRISING 3 -SUBSTITUTED THIOPHENE MOIETIES AS ACTIVE LAYERS FOR SOLAR CELLS<br/>[FR] POLYMÈRES COMPORTANT DES FRACTIONS THIOPHÈNES 3-SUBSTITUÉES COMME COUCHES ACTIVES POUR PHOTOPILES
申请人:IMEC
公开号:WO2011069554A1
公开(公告)日:2011-06-16
The invention relates to new monomers and polymers as well as blends of such polymers with an electron acceptor. The invention also relates to a blend for use in a photovoltaic device, comprising: (a) a polymer comprising monomer units according to the formula (I), wherein L' is selected from the group consisting of L-C(O)O-J, L-C(O)NR'-J, L-OCO-J', L-NR'CO-J', L-SCO-J', L-O-J, L-S-J, L-Se-J, L-NR'-J and L-CN wherein L is a linear or branched alkylene group having from 1 to 10 carbon atoms, wherein J is a hydrogen atom or a linear or branched alkyl group having from 1 to 4 carbon atoms, wherein J' is a group having from 1 to 10 carbon atoms, being saturated or unsaturated, linear or branched, comprising a phenyl unit or not comprising a phenyl unit, wherein R' is a hydrogen atom or a linear or branched alkyl group having from 1 to 4 carbon atoms, and (b) an electron acceptor such as a fullerene derivative.
该发明涉及新的单体和聚合物,以及这些聚合物与电子受体的混合物。该发明还涉及一种用于光伏器件的混合物,包括:(a)聚合物,其包括根据公式(I)的单体单元,其中L'选自L-C(O)O-J,L-C(O)NR'-J,L-OCO-J',L-NR'CO-J',L-SCO-J',L-O-J,L-S-J,L-Se-J,L-NR'-J和L-CN的群,其中L是具有1至10个碳原子的线性或支链烷基基团,J是氢原子或具有1至4个碳原子的线性或支链烷基基团,J'是具有1至10个碳原子的基团,饱和或不饱和,线性或支链,包括苯基或不包括苯基,其中R'是氢原子或具有1至4个碳原子的线性或支链烷基基团,以及(b)电子受体,例如富勒烯衍生物。