From micro-patterns to nano-structures by controllable colloidal aggregation at air-water interface

Xiaorong Xiong; Kerwin Wang; Karl F. Böhringer

From micro-patterns to nano-structures by controllable colloidal aggregation at air-water interface

Xiaorong Xiong, Kerwin Wang, Karl F. Böhringer

Department of Mechatronic Engineering

Research output: Contribution to journal › Conference article › peer-review

4 Citations (Scopus)

Abstract

In this paper, we discuss a method to transform traditional-lithography micro patterns into nano-structures by self-assembly 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.

Original language	English
Pages (from-to)	621-624
Number of pages	4
Journal	Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Publication status	Published - 2004 Jul 19
Event	17th IEEE International Conference on Micro Electro Mechanical Systems (MEMS): Maastricht MEMS 2004 Technical Digest - Maastricht, Netherlands Duration: 2004 Jan 25 → 2004 Jan 29

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanical Engineering
Electrical and Electronic Engineering

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abstract = "In this paper, we discuss a method to transform traditional-lithography micro patterns into nano-structures by self-assembly 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.",

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T1 - From micro-patterns to nano-structures by controllable colloidal aggregation at air-water interface

AU - Xiong, Xiaorong

AU - Wang, Kerwin

AU - Böhringer, Karl F.

PY - 2004/7/19

Y1 - 2004/7/19

N2 - In this paper, we discuss a method to transform traditional-lithography micro patterns into nano-structures by self-assembly 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.

AB - In this paper, we discuss a method to transform traditional-lithography micro patterns into nano-structures by self-assembly 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.

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M3 - Conference article

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JO - Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)

JF - Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)

SN - 1084-6999

T2 - 17th IEEE International Conference on Micro Electro Mechanical Systems (MEMS): Maastricht MEMS 2004 Technical Digest

Y2 - 25 January 2004 through 29 January 2004

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