Varying the optical stop band of a three-dimensional photonic crystal by refractive index control

Zhong Ze Gu; Shoichi Kubo; Weiping Qian; Yasuaki Einaga; Donald A. Tryk; Akira Fujishima; Osamu Sato

doi:10.1021/la0110186

Varying the optical stop band of a three-dimensional photonic crystal by refractive index control

Zhong Ze Gu, Shoichi Kubo, Weiping Qian, Yasuaki Einaga, Donald A. Tryk, Akira Fujishima, Osamu Sato

Research output: Contribution to journal › Article › peer-review

106 Citations (Scopus)

Abstract

A method was developed to continuously adjust the position of the stop band of inverse opal by controlling the refractive index. The inverse opal films were fabricated using a coassembly of monodispersed polystyrene spheres and nanoparticles of silica and titania from aqueous suspensions followed by a calcination treatment. Varying the ratio of silica and titania in the suspensions gave the ability to finely adjust the refractive indices, which as a result changed the stop band.

Original language	English
Pages (from-to)	6751-6753
Number of pages	3
Journal	Langmuir
Volume	17
Issue number	22
DOIs	https://doi.org/10.1021/la0110186
Publication status	Published - 2001 Oct 30
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la0110186

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AU - Gu, Zhong Ze

AU - Kubo, Shoichi

AU - Qian, Weiping

AU - Einaga, Yasuaki

AU - Tryk, Donald A.

AU - Fujishima, Akira

AU - Sato, Osamu

PY - 2001/10/30

Y1 - 2001/10/30

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AB - A method was developed to continuously adjust the position of the stop band of inverse opal by controlling the refractive index. The inverse opal films were fabricated using a coassembly of monodispersed polystyrene spheres and nanoparticles of silica and titania from aqueous suspensions followed by a calcination treatment. Varying the ratio of silica and titania in the suspensions gave the ability to finely adjust the refractive indices, which as a result changed the stop band.

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Varying the optical stop band of a three-dimensional photonic crystal by refractive index control

Abstract

ASJC Scopus subject areas

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