Azo Polymer Janus Particles and Their Photoinduced, Symmetry-Breaking Deformation

被引：40
|
作者：
Zhou, Xinran [1 ]
Du, Yi [1 ]
Wang, Xiaogong [1 ]
机构：
[1] Tsinghua Univ, Dept Chem Engn, Lab Adv Mat MOE, Beijing 100084, Peoples R China
来源：
ACS MACRO LETTERS | 2016年 / 5卷 / 02期
关键词：
THERMODYNAMIC-EQUILIBRIUM; NANOPARTICLES; ANISOTROPY; GRATINGS; MOTIONS; FILMS; SOFT;
D O I：
10.1021/acsmacrolett.5b00932
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 report the successful fabrication of photo responsive Janus particles (JPs) composed of a methacrylate-based azo polymer (PAZO-ADMA) and poly(methyl methacrylate) (PMMA). The JPs are obtained through microphase separation in a confined volume of the dispersed droplets, which incorporates the azo polymer and PMMA into one single particle in a core-compartmentalized manner. It is observed that several unique types of symmetry-breaking deformations are induced upon irradiation with a linearly polarized laser beam at 488 nm. The JPs with such properties are valuable for fundamental understanding and smart photofabrication in micrometer scale.
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页码：234 / 237
页数：4
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