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Creation and Optical Property of Microphotonic Crystals by Electrophoretic Deposition Method Using Micro-counter Electrode

Published online by Cambridge University Press:  01 February 2011

Jun-ichi Hamagami ,
Kazuhiro Hasegawa  and
Kiyoshi Kanamura
Jun-ichi Hamagami
Affiliation:
Department of Applied Chemistry, Graduate School of Engineering, Tokyo Metropolitan University, 1–1 Minami-Osawa, Hachioji, Tokyo 192–0397, Japan
Kazuhiro Hasegawa
Affiliation:
Department of Applied Chemistry, Graduate School of Engineering, Tokyo Metropolitan University, 1–1 Minami-Osawa, Hachioji, Tokyo 192–0397, Japan
Kiyoshi Kanamura
Affiliation:
Department of Applied Chemistry, Graduate School of Engineering, Tokyo Metropolitan University, 1–1 Minami-Osawa, Hachioji, Tokyo 192–0397, Japan
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Abstract

In order to create micrometer-scale functional optical materials or devices, we have investigated on development of a novel electrophoretic deposition (EPD) method using a microelectrode as a counter electrode: This is so-called “μ-EPD method”. The μ-EPD method was applied to fabricate micro colloidal crystals consisting of monodisperse submicron polystyrene latex spheres for micro photonic application. Scanning electron micrographs of the deposit prepared under the optimized μ-EPD parameters showed a formation of microdot consisting of three-dimensionally ordered polystyrene spheres. As a result of the microscopic transmittance spectra, the microdots exhibited a narrow absorption peak and the optical stopband was observed at 460 nm for 204 nm polystyrene spheres, 675 nm for 290 nm polystyrene spheres, and 755 nm for 320 nm polystyrene spheres, respectively. The observed position is due to the Bragg diffraction of light from (111) plane of face-centered cubic opal lattice.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 797: Symposium W – Engineered Porosity for Microphotonics and Plasmonics , 2003 , W5.11
Copyright
Copyright © Materials Research Society 2004

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