Site-selective assembly and fixation of colloidal particles into two-dimensional array on wettability-patterned surface

被引：4
|
作者：
Lee, Sang-Wook [1 ]
Na, Yu-Jin [1 ]
Cho, Yoonseuk [1 ]
Lee, Sin-Doo [1 ]
机构：
[1] Seoul Natl Univ, Sch Elect Engn, Seoul 151600, South Korea
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 2007年 / 46卷 / 45-49期
关键词：
colloidal particles; assembly; fixation; site selectivity; wettability; LC/prepolymer; anisotropic phase separation;
D O I：
10.1143/JJAP.46.L1129
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on a site-selective assembly and fixation process for setting colloidal particles onto a two-dimensional array on a wettability-patterned surface. The site-selectivity originates from the control of the wettability of a liquid crystal (LC)/prepolymer composite, used as a colloidal suspension, on an alignment layer exposed to ultraviolet light. The fixation of close-packed colloidal particles was achieved on a supported polymer film formed through the anisotropic phase separation of the LC/prepolymer. This wettability-based assembly and fixing process for colloidal particles could be useful for biomedical and photonic applications.
引用
收藏
页码：L1129 / L1131
页数：3
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