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|Title: ||From Micro-Patterns to Nano-Structures by Controllable Colloidal Aggregation at Air-Water Interface|
|Authors: ||Xiong, Xiaorong;Wang, Kerwin;Bohringer, Karl F.|
|Issue Date: ||2012-06-06T01:42:54Z
|Abstract: ||In this paper, we discuss a method to transform traditionallithography micro patterns into nano-structures by selfassembly of nano-beads. In our approach, the destined substrate is prepared with hydrophilic micro patterns on hydrophobic background. Colloid with nano-beads wets|
exclusively the hydrophilic patterns due to interfacial forces when passing through air-water interface. After evaporation of water from the colloid, three-dimensional nano-bead structures are formed. A geometric model is proposed to describe this self-assembly process and its dependence on
bead size, concentration, and pattern geometry, which can provide control over the aggregation of three-dimensional nano-structures.
|Relation: ||IEEE Conference on Micro Electro Mechanical Systems (MEMS)", Maastricht, Holland|
|Appears in Collections:||[機電工程學系] 會議論文|
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