申请人:——
公开号:US20030111107A1
公开(公告)日:2003-06-19
Spiro compounds of the formula (I),
1
in which at least one of the radicals K
1
, L, M, N
1
, R
1
, R
2
, R
3
, R
4
is one of the following groups
2
are suitable as charge transport materials, in particular for photovoltaic cells, and as electroluminescence materials.
式(I)的螺环化合物,其中至少一个基团K1、L、M、N1、R1、R2、R3、R4是以下任一基团2之一,适用于电荷传输材料,特别是用于光伏电池和电致发光材料。