申请人:Ye Qing
公开号:US20110108807A1
公开(公告)日:2011-05-12
A polymer useful in an optoelectronic device comprises structural unit of formula I:
wherein
R
1
is, independently at each occurrence, a C
1
-C
20
aliphatic radical, a C
3
-C
20
aromatic radical, or a C
3
-C
20
cycloaliphatic radical;
a is, independently at each occurrence, an integer ranging from 0-4;
Ar
1
is aryl or heteroaryl;
Ar
2
is fluorene;
R
2
is alkylene, substituted alkylene, oxaalkylene, CO, or CO
2
;
R
3
, R
4
and R
5
are independently hydrogen, alkyl, alkoxy, alkylaryl, aryl, arylalkyl, heteroaryl, substituted alkyl; substituted alkoxy, substituted alkylaryl, substituted aryl, substituted arylalkyl, or substituted heteroaryl; and
L is derived from phenylpyridine, tolylpyridine, benzothienylpyridine, phenylisoquinoline, dibenzoquinozaline, fluorenylpyridine, ketopyrrole, 2-(1-naphthyl)benzoxazole)), 2-phenylbenzoxazole, 2 phenylbenzothiazole, coumarin, thienylpyridine, phenylpyridine, benzothienylpyridine, 3 methoxy-2-phenylpyridine, thienylpyridine, phenylimine, vinylpyridine, pyridylnaphthalene, pyridylpyrrole, pyridylimidazole, phenylindole, derivatives thereof or combinations thereof.
一种在光电器件中有用的高分子,包括结构单元I的公式,其中R1在每次出现时独立地是C1-C20脂肪基,C3-C20芳香基或C3-C20环脂肪基;a在每次出现时独立地是0-4的整数;Ar1是芳基或杂芳基;Ar2是芴基;R2是烷基,取代烷基,氧代烷基,CO或CO2;R3、R4和R5独立地是氢,烷基,烷氧基,烷基芳基,芳基,芳基烷基,杂芳基,取代烷基,取代烷氧基,取代烷基芳基,取代芳基,取代芳基烷基,或取代杂芳基;L源自苯基吡啶,甲苯基吡啶,苯并噻吩基吡啶,苯基异喹啉,二苯并喹唑啉,芴基吡啶,酮基吡咯,2-(1-萘基)苯并噁唑,2-苯基苯并噁唑,2-苯基苯并噻唑,香豆素,噻吩基吡啶,苯基吡啶,苯并噻吩基吡啶,3-甲氧基-2-苯基吡啶,噻吩基吡啶,苯基亚胺,乙烯基吡啶,吡啶基萘,吡啶基吡咯,吡啶基咪唑,苯基吲哚,其衍生物或其组合。