Compound A compound of formula (I): (I) wherein R
1
and R
2
are each independently a linear, branched or cyclic C
1-20
alkyl group; and Ar
1
and Ar
2
are each independently an aromatic or heteroaromatic group which is unsubstituted or substituted with one or more substituents. The compound may be used in n-doping of an organic semiconductor. Such an n-doped organic semiconductor may be used in an organic electronic device, for example an electron injection layer of an organic light-emitting device.
化合物A的
化学式为(I):(I)其中R1和R2分别独立地是线性、支链或环状的C1-20烷基基团;Ar1和Ar2分别独立地是芳香或杂环芳基团,未取代或取代有一个或多个取代基。该化合物可用于有机半导体的n-掺杂。这样的n-掺杂有机半导体可用于有机电子器件,例如有机发光器件的电子注入层。