Abstract:
The present invention relates to a photoactive material comprising a donor substance and an acceptor substance, wherein the donor substance comprises or consists of one or more compounds of formula (I) described below, or the acceptor substance comprises or consists of one or more compounds of formula (I) described below, or the donor substance comprises or consists of a first compound of formula (I) described below and the acceptor substance comprises a second compound of formula (I) described below with the proviso that the first and second compound are not the same, as well as to an organic solar cell or photodetector comprising said photoactive material. The present invention also relates to a photoelectric conversion device comprising or consisting of two or more organic solar cells comprising said photoactive material and to compounds of formula (I) as described below for use as donor substance or as acceptor substance in a photoactive material.
Abstract:
The present invention relates to a photoactive material comprising a donor substance and an acceptor substance, wherein the donor substance comprises or consists of one or more compounds of formula (I) described herein, or the acceptor substance comprises or consists of one or more compounds of formula (I) described herein, or the donor substance comprises or consists of a first compound of formula (I) described herein and the acceptor substance comprises a second compound of formula (I) described herein with the proviso that the first and second compound are not the same, as well as to an organic solar cell comprising said photoactive material. The present invention also relates to a photoelectric conversion device comprising or consisting of two or more organic solar cells comprising said photoactive material and to compounds of formula (I) as described herein for use as donor substance or as acceptor substance in a photoactive material, Further, the present invention relates to the use of a compound of formula (III) as described herein in the synthesis of a compound of formula (I)as described herein.
Abstract:
Compounds of the formula (I), wherein Ar 1 is for example phenylene or biphenylene both unsubstituted or substituted; Ar 2 and Ar 3 are for example independently of each other phenyl, naphthyl, biphenylylyl or heteroaryl, all optionally substituted; or Ar 1 and Ar 2 for example together with a direct bond, O, S or (CO), form a fused ring system; R is for example hydrogen, C 3 -C 30 cycloalkyl or C 1 -C 18 alkyl; and R 1 , R 2 and R 3 independently of each other are for example C 1 -C 10 haloalkyl; are effective photoacid generators (PAG).
wherein Z 1 for is NO 2 , unsubstituted or substituted C 7 -C 20 aroyl or unsubstituted or substituted C 4 -C 20 heteroaroyl; provided that at least one Z 1 is other than NO 2 ; R 1 , R 2 , R 3 , R 4 , R 5 and R 6 for example are hydrogen, halogen, or unsubstituted or substituted C 1 -C 20 alkyl, unsubstituted or substituted C 6 -C 20 aryl, or unsubstituted or substituted C 4 -C 20 heteroaryl; Q is for example C 6 -C 20 arylene or C 3 -C 20 heteroarylene; L is for example O-alkylene-O-; R 15 is for example hydrogen or C 1 -C 20 alkyl; R 20 is for example hydrogen, or unsubstituted or substituted C 1 -C 20 alkyl; are effective photoinitiators.
Abstract:
Compounds of the formula (I), wherein R1, R2, R3, R4, R5, R6, R7 and R8 for example independently of each other are hydro- gen, C1-C20alkyl, (II), COR16 or NO2, provided that at least one pair of R1 and R2, R2 and R3, R3 and R4, R5 and R6, R6 and R7, or R7 and R8 is (III); R9, R10, R11 and R12 for example independently of each other are hydrogen, C1-C20alkyl which optionally substituted; or R9, R10, R11, and R12 independently of each other are unsubstituted or substituted phenyl; X is CO or a direct bond; R13 is for example C1-C20alkyl which optionally is substituted, C2-C12alkenyl, C4- C8cycloalkenyl, C2-C12alkinyl, C3-C10cycloalkyl, phenyl or naphthyl both of which are optionally substituted; R14 is for example hydrogen, C3-C8cycloalkyl, C2-C5alkenyl, C1-C20alkoxy, C1-C20alkyl, phenyl or naphthyl; R15 is for example C6-C20aryl or C5-C20heteroaryl; R16 is for example C6-C20aryl which is unsubstituted or substituted by one or more C1-C20alkoxy or C1-C20alkyl; are in particular suitable as photoinitiators for color filter applications.
Abstract:
The invention pertains to a compound generating an acid of the formula (I) or (II), for instance corresponding sulfonium and iodonium salts, as well as corresponding sulfonyloximes, Formula (I) and Formula (II), wherein X is CH 2 or CO; Y is O, NR 4 , S, O(CO), O(CO)O, O(CO)NR 4 , OSO 2 , O(CS), or O(CS)NR 4 ; R 1 is for example C 1 -C 18 alkyl, C 1 -C 10 haloalkyl, C 2 -C 12 alkenyl, C 4 -C 30 cycloalkenyl, phenyl-C 1 -C 3 -alkyl, C 3 -C 30 cycloalkyl, C 3 -C 30 cycloalkyl-C 1 -C 18 alkyl, interrupted C 2 -C 18 alkyl, interrupted C 3 -C 30 cycloalkyl, interrupted C 3 -C 30 cycloalkyl-C 1 -C 18 alkyl, interrupted C 4 -C 30 cycloalkenyl, phenyl, naphthyl, anthracyl, phenanthryl, biphenylyl, fluorenyl or heteroaryl, all unsubstituted or are substituted; or R 1 is NR 12 R 13 ; R 2 and R 3 are for example C 3 -C 30 cycloalkylene, C 3 -C 30 cycloalkyl-C 1 -C 18 alkylene, C 1 -C 18 alkylene, C 1 -C 10 haloalkylene, C 2 -C 12 alkenylene, C 4 -C 30 cycloalkenylene, phenylene, naphthylene, anthracylene, phenanthrylene, biphenylene or heteroarylene; all unsubstituted or substituted; R 4 is for example C 3 -C 30 cycloalkyl, C 3 -C 30 cycloalkyl-C 1 -C 18 alkyl, C 1 -C 18 alkyl, C 1 -C 10 haloalkyl, C 2 -C 12 alkenyl, C 4 -C 30 cycloalkenyl, phenyl-C 1 -C 3 -alkyl; R 12 and R 13 are for example C 3 -C 30 cycloalkyl, C 3 -C 30 cycloalkyl-C 1 -C 18 alkyl, C 1 -C 18 alkyl, C 1 -C 10 haloalkyl, C 2 -C 12 alkenyl, C 4 -C 30 cycloalkenyl, phenyl-C 1 -C 3 -alkyl, Ar, (CO)R 15 , (CO)OR 15 or SO 2 R 15 ; and Ar is phenyl, biphenylyl, fluorenyl, naphthyl, anthracyl, phenanthryl or heteroaryl, all unsubstituted or substituted.