Tunable Self-Assembly of Diblock Copolymers into Colloidal Particles with Triply Periodic Minimal Surfaces

被引：125

作者：

Lin, Zhixing ^{[1
]}

Liu, Shaohua ^{[2
]}

Mao, Wenting ^{[1
]}

Tian, Hao ^{[1
]}

Wang, Nan ^{[1
]}

Zhang, Ninghe ^{[1
]}

Tian, Feng ^{[3
]}

Han, Lu ^{[1
]}

Feng, Xinliang ^{[4
]}

Mai, Yiyong ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Shanghai Key Lab Elect Insulat & Thermal Ageing, Sch Chem & Chem Engn, 800 Dongchuan Rd, Shanghai 200240, Peoples R China

[2] East China Normal Univ, State Key Lab Precis Spect, 500 Dongchuan Rd, Shanghai 200241, Peoples R China

[3] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China

[4] Tech Univ Dresden, Dept Chem & Food Chem, Mommsenstr 4, D-01062 Dresden, Germany

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2017年 / 56卷 / 25期

关键词：

block copolymers; colloidal particles; inverse mesophases; phase diagrams; self-assembly; LYOTROPIC LIQUID-CRYSTALS; BLOCK-COPOLYMERS; KIPPAH VESICLES; MORPHOLOGIES; MICELLES; NANOSPHERES;

D O I：

10.1002/anie.201702591

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We herein report the tunable self-assembly of simple block copolymers, namely polystyrene-block-poly(ethylene oxide) (PS-b-PEO) diblock copolymers, into porous cubosomes with inverse Im (3) over barm or Pn (3) over barm mesophases of controlled unit cell parameters as well as hexasomes with an inverse hexagonal (p6mm) structure, which have been rarely observed in polymer self-assembly. A new morphological phase diagram was constructed for the solution self-assembly of PS-b-PEO based on the volume fraction of the PS block against the initial copolymer concentration. The formation mechanisms of the cubosomes and hexasomes have also been revealed. This study not only affords a simple system for the controllable preparation and fundamental studies of ordered bicontinuous structures, but also opens up a new avenue towards porous architectures with highly ordered pores.

引用

页码：7135 / 7140

页数：6

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