Sequential self-assembly by controlling interactive forces between microparticles

被引:7
作者
Onoe, H [1 ]
Matsumoto, K [1 ]
Shimoyama, I [1 ]
机构
[1] Univ Tokyo, Grad Sch Informat Sci & Technol, Dept Mechano Informat, Bunkyo Ku, Tokyo 1138656, Japan
来源
MEMS 2004: 17TH IEEE INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS, TECHNICAL DIGEST | 2004年
关键词
D O I
10.1109/MEMS.2004.1290508
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper describes binding-sequence control in self-assembly of microparticle by changing interactive forces from the outside. We demonstrated a sequential self-assembly with two binding steps. At the 1st step, the microparticles start to bind to each other on their hydrophobic surfaces (surface A) in aqueous solution. By changing the pH of the solution, the particles subsequently connect on their hydrophilic surfaces (surface B) at the 2nd step. We confirmed that this sequential process increases the yield of the assembled structure, and concluded that pH control is effective to achieve a sequential self-assembly.
引用
收藏
页码:5 / 8
页数:4
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