Liquid crystalline organic compound, organic semiconductor structure, organic semiconductor device, and process for producing liquid crystalline organic compound
申请人:Tokunaga Keiji
公开号:US20060231832A1
公开(公告)日:2006-10-19
A liquid crystalline organic compound which gives a liquid crystal phase in a temperature range containing at least a room temperature and can exhibit a high charge mobility; an organic semiconductor structure and an organic semiconductor device each having the liquid crystalline organic compound are provided.
The liquid crystalline organic compound contains any one of benzothiazole, benzoselenazole, benzoxazole and indene skeletons represented by the following chemical formula 1:
wherein A is a nitrogen atom or a CH group, and B is a sulfur, selenium or oxygen atom is contained as Z1 in the following chemical formula 2:
R1-Y1-Z1-Y2-R2 2
wherein, R1 and R2 are each independently a saturated or unsaturated hydrocarbon of a straight chain, a branched chain or a cyclic structure having 1 to 22 carbon atoms; R1 and R2 may be each independently bonded directly to Z1 without interposing Y1 or Y2 therebetween; and Y1 and Y2 are each independently selected from the group consisting of oxygen and selenium atoms and —CO—, —OCO—, —COO—, —N═CH—, —CONH—, —NH—, —NHCOO and —CH
2
groups.
提供一种液晶有机化合物,其在包含至少室温的温度范围内形成液晶相,并可以表现出高电荷迁移率;提供一种含有该液晶有机化合物的有机半导体结构和有机半导体器件。该液晶有机化合物包含以下化学式1所表示的苯并噻唑、苯并硒唑、苯并噁唑和茚烯骨架中的任何一种:其中,A为氮原子或CH基,B为硫、硒或氧原子,作为Z1包含在以下化学式2中:R1-Y1-Z1-Y2-R2 2其中,R1和R2各自独立地为1到22个碳原子的直链、支链或环状结构的饱和或不饱和碳氢化合物;R1和R2可以各自独立地直接与Z1键合,而不需要在它们之间插入Y1或Y2;Y1和Y2各自独立地从氧和硒原子以及—CO—、—OCO—、—COO—、—N═CH—、—CONH—、—NH—、—NHCOO和—CH2基中选出。