申请人:Kyushu Institute of Technology
公开号:EP2405505A1
公开(公告)日:2012-01-11
An organic semiconductor material having excellent carrier (electron) mobility and stability and its film can be formed by simple production process, as well as an organic thin-film transistor in which the material is used in an organic semiconductor layer are disclosed.
An organic semiconductor material having the structure represented by the general formula (1) shown below:
wherein L represents a bivalent linker group having the structure consisting of one group or any combination of two or more groups selected from unsubstituted or substituted vinylene group, acetylene group, unsubstituted or substituted aromatic hydrocarbon residue, unsubstituted or substituted fused aromatic hydrocarbon residue, unsubstituted or substituted heteroaromatic residue, unsubstituted or substituted fused heteroaromatic residue;
R1 represents carbonyl group, cyano group or C1-C12 fluorinated alkyl group;
R2 represents halogen atom, cyano group, carbonyl group or acetyl group.
本发明公开了一种具有优异载流子(电子)迁移率和稳定性且其薄膜可通过简单的生产工艺形成的有机半导体材料,以及一种在有机半导体层中使用该材料的有机薄膜晶体管。
一种有机半导体材料具有下图所示通式(1)所代表的结构:
其中 L 代表二价连接基团,其结构由一个基团或两个或两个以上基团的任意组合组成,这些基团选自未取代或取代的乙烯基、乙炔基、未取代或取代的芳香烃残基、未取代或取代的融合芳香烃残基、未取代或取代的杂芳烃残基、未取代或取代的融合杂芳烃残基;
R1 代表羰基、氰基或 C1-C12 氟化烷基;
R2 代表卤素原子、氰基、羰基或乙酰基。