Aggregation-Induced Reversible Thermochromism of Novel Azo Chromophore-Functionalized Polydiacetylene Cylindrical Micelles

被引：78
|
作者：
Wu, Si [1 ,2 ]
Niu, Lifang [1 ]
Shen, Jing [2 ]
Zhang, Qijin [2 ]
Bubeck, Christoph [1 ]
机构：
[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany
[2] Univ Sci & Technol China, Key Lab Optoelect Sci & Technol, Joint Lab Polymer Thin Films & Solut, Dept Polymer Sci & Engn, Hefei 230026, Anhui, Peoples R China
来源：
MACROMOLECULES | 2009年 / 42卷 / 01期
关键词：
LANGMUIR-BLODGETT-FILMS; AMPHIPHILIC DIBLOCK COPOLYMERS; INDUCED CHROMATIC TRANSITION; CONJUGATED POLYMER; TOPOCHEMICAL POLYMERIZATION; COLORIMETRIC REVERSIBILITY; PHOTORESPONSIVE PROPERTIES; ORIENTED SYSTEMS; AQUEOUS SUBPHASE; RATIONAL DESIGN;
D O I：
10.1021/ma801709n
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We demonstrate a new strategy for improved stabilization of polydiacetylene micelles. They show temperature-induced color changes. which are fully reversible even at varying pH. A novel azo chromophore-functionalized amphiphilic diacetylene molecule is synthesized and used to prepare self-assembled cylindrical micelles. The micelles can be polymerized by 254 run light irradiation. The azo chromophores form H- and J-like aggregates in the polydiacetylene micelles and increase the stability of the micelles, which leads to fully reversible thermochromism of the micelles in the temperature range between 20 and 90 degrees C and the pH range between 5.6 and 9.6.
引用
收藏
页码：362 / 367
页数：6
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