Self-assembly and magnetically induced phase transition of three-dimensional colloidal photonic crystals

被引：45
|
作者：
He, Le [1 ]
Malik, Vikash [1 ]
Wang, Mingsheng [1 ]
Hu, Yongxing [1 ]
Anson, Francesca Edith [1 ]
Yin, Yadong [1 ]
机构：
[1] Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA
来源：
NANOSCALE | 2012年 / 4卷 / 15期
基金：
瑞士国家科学基金会;
关键词：
SUPERPARAMAGNETIC COLLOIDS; ELECTRORHEOLOGICAL FLUID; HARD-SPHERE; CRYSTALLIZATION; DIFFRACTION; SUSPENSIONS; PARTICLES; DIPOLAR; ARRAYS;
D O I：
10.1039/c2nr31068f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Charged superparamagnetic colloidal Fe3O4@SiO2 core-shell particles were chosen as model dipolar soft spheres to study their crystallization and magnetically induced phase transition in suspensions. The 3D colloidal crystals feature excellent magnetically responsive photonic properties with strong diffraction, fast response and wide tunability.
引用
收藏
页码：4438 / 4442
页数：5
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