Synthesis of new functionalized discotic liquid crystals for photoconducting applications

被引:44
作者
Kumar, S [1 ]
Schuhmacher, P [1 ]
Henderson, P [1 ]
Rego, J [1 ]
Ringsdorf, H [1 ]
机构
[1] UNIV MAINZ,INST ORGAN CHEM,D-55099 MAINZ,GERMANY
来源
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1996年 / 288卷
关键词
D O I
10.1080/10587259608034598
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The columnar structure of discotic liquid crystals has been shown to be well suited for electronic transport parallel to the columnar axis. To tailor the processibility and mesophase behavior of such materials, several hydroxytriphenylene derivatives were synthesized. These hydroxytriphenylenes can be converted into oligomers, networks or polymers. Further, they can be reduced to arenes which posses reactive sites for classical aromatic substitutions. A number of mixed tail triphenylene derivatives and fluorescent, low symmetry triphenylene discotic liquid crystals were synthesized and characterized.
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收藏
页码:211 / 222
页数:12
相关论文
共 48 条
[1]   TRANSIENT PHOTOCONDUCTIVITY IN A DISCOTIC LIQUID-CRYSTAL [J].
ADAM, D ;
CLOSS, F ;
FREY, T ;
FUNHOFF, D ;
HAARER, D ;
RINGSDORF, H ;
SCHUHMACHER, P ;
SIEMENSMEYER, K .
PHYSICAL REVIEW LETTERS, 1993, 70 (04) :457-460
[2]   PHOTOCONDUCTIVITY IN THE COLUMNAR PHASES OF A GLASSY DISCOTIC TWIN [J].
ADAM, D ;
SCHUHMACHER, P ;
SIMMERER, J ;
HAUSSLING, L ;
PAULUS, W ;
SIEMENSMEYER, K ;
ETZBACH, KH ;
RINGSDORF, H ;
HAARER, D .
ADVANCED MATERIALS, 1995, 7 (03) :276-280
[3]   FAST PHOTOCONDUCTION IN THE HIGHLY ORDERED COLUMNAR PHASE OF A DISCOTIC LIQUID-CRYSTAL [J].
ADAM, D ;
SCHUHMACHER, P ;
SIMMERER, J ;
HAUSSLING, L ;
SIEMENSMEYER, K ;
ETZBACH, KH ;
RINGSDORF, H ;
HAARER, D .
NATURE, 1994, 371 (6493) :141-143
[4]   DISCOTIC LIQUID-CRYSTALS - A NEW CLASS OF FAST PHOTOCONDUCTORS [J].
ADAM, D ;
HAARER, D ;
CLOSS, F ;
FREY, T ;
FUNHOFF, D ;
SIEMENSMEYER, K ;
SCHUHMACHER, P ;
RINGSDORF, H .
BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1993, 97 (10) :1366-1370
[5]   INDUCTION OF A NEMATIC COLUMNAR PHASE IN A DISCOTIC HEXAGONAL ORDERED PHASE FORMING SYSTEM [J].
BENGS, H ;
KARTHAUS, O ;
RINGSDORF, H ;
BAEHR, C ;
EBERT, M ;
WENDORFF, JH .
LIQUID CRYSTALS, 1991, 10 (02) :161-168
[6]   2 FERROELECTRIC PHASES OF A COLUMNAR DIBENZOPYRENE [J].
BOCK, H ;
HELFRICH, W .
LIQUID CRYSTALS, 1995, 18 (03) :387-399
[7]   FUNCTIONALIZATION OF DISCOTIC LIQUID-CRYSTALS BY DIRECT SUBSTITUTION INTO THE DISCOGEN RING - ALPHA-NITRATION OF TRIPHENYLENE-BASED DISCOGENS [J].
BODEN, N ;
BUSHBY, RJ ;
CAMMIDGE, AN .
LIQUID CRYSTALS, 1995, 18 (04) :673-676
[8]   FIRST OBSERVATION OF AN N-DOPED QUASI-ONE-DIMENSIONAL ELECTRONICALLY-CONDUCTING DISCOTIC LIQUID-CRYSTAL [J].
BODEN, N ;
BORNER, RC ;
BUSHBY, RJ ;
CLEMENTS, J .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1994, 116 (23) :10807-10808
[9]   A QUICK-AND-EASY ROUTE TO UNSYMMETRICALLY SUBSTITUTED DERIVATIVES OF TRIPHENYLENE - PREPARATION OF POLYMERIC DISCOTIC LIQUID-CRYSTALS [J].
BODEN, N ;
BUSHBY, RJ ;
CAMMIDGE, AN .
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1994, (04) :465-466
[10]   Transient photoconductivity and dark conductivity in discotic liquid crystals. [J].
Boden, N ;
Bushby, RJ ;
Cammidge, AN ;
Clements, J ;
Luo, R ;
Donovan, KJ .
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1995, 261 :251-257