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Novel Approach for Fabricating Highly Ordered Colloidal Crystals using Fluorinated Solvent

Published online by Cambridge University Press:  01 February 2011

Satoshi Takeda  and
Pierre Wiltzius
Satoshi Takeda
Affiliation:
[email protected], Asahi Glass Co., Ltd., Electronics & Energy Division, 1-12-1, Yuraku-cho, Chiyoda-ku, Tokyo 100-8405, Tokyo, N/A, Japan
Pierre Wiltzius
Affiliation:
[email protected], University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States
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Abstract

A novel technique for fabricating highly ordered colloidal photonic crystals has been developed. In this method, a droplet of water containing polystyrene microspheres was added to the surface of a fluorinated solvent bath. Consequently, the two liquids remained separated and the colloidal particles self-assembled into close-packed structures at the interface between them. By transferring the droplet onto a glass slide, a highly ordered crystal was obtained. This technique offers a new, potentially easier, and more effective approach than currently used. We believe that it will open new ways for fabricating materials based on colloidal crystals as well as applying the colloidal photonic crystals to optical devices.

Keywords

colloidcrystalscanning electron microscopy (SEM)
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1014: Symposium AA – Three-Dimensional Nano- and Microphotonics , 2007 , 1014-AA07-10
Copyright
Copyright © Materials Research Society 2007

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