申请人:LOMOX LIMITED
公开号:US20170033290A1
公开(公告)日:2017-02-02
Compounds of the formula D-S
1
-A-S
2
—B
1
wherein A comprises a 2,7-disubstituted 9,9-fluoroalkyl fluorene diradical of the formula
wherein S
1
, S
2
, D and B
1
have meanings given in the description that are useful as charge transport and emissive materials for the fabrication of electronic devices such as diodes, transistors, and photovoltaic devices.