ORGANIC DYES COMPRISING A HYDRAZONE MOIETY AND THEIR USE IN DYE-SENSITIZED SOLAR CELLS
申请人:BASF SE
公开号:US20160126022A1
公开(公告)日:2016-05-05
The present invention relates to compounds of general formula I
wherein R
100
and R
200
are each independently hydrogen, C
1
-C
10
-alkyl which in case of C
2
-alkyl may be interrupted by one and in case of C
3
-C
10
-alkyl by one or two non-adjacent oxygen atoms, C
5
-C
7
-cycloalkyl, aryl, aryl-C
1
-C
10
-alkyl or aryloxy-C
1
-C
10
-alkyl, D is an m-valent (m=1, 2 or 3) donor moiety which comprises at least one carbon-carbon or carbon-heteroatom double bond and/or at least one unfused or fused carbo- or heterocyclic ring, A is an acceptor moiety which comprises at least one carbon-carbon or carbon-heteroatom double bond and/or at least one unfused or fused carbo- or heterocyclic ring, and the donor moiety D and the acceptor moiety A are π-conjugated to one another.
Furthermore, the present invention relates to the use of compounds of formula I for producing dye-sensitized solar cells and to dye-sensitized solar cells comprising compounds of formula I.