Structure of WO3 ultrafine particles and their characteristic solid states

Mami Kurumada; Osamu Kido; Takeshi Sato; Hitoshi Suzuki; Yuki Kimura; Katsuya Kamitsuji; Yoshio Saito; Chihiro Kaito

doi:10.1016/j.jcrysgro.2004.11.228

Structure of WO₃ ultrafine particles and their characteristic solid states

Mami Kurumada, Osamu Kido, Takeshi Sato, Hitoshi Suzuki, Yuki Kimura, Katsuya Kamitsuji, Yoshio Saito, Chihiro Kaito

SCI - Earth Science

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

12 Citations (Scopus)

Abstract

WO₃ nanoparticles from 10 to 250 nm in diameter were formed by burning tungsten wire in low-oxygen-partial-pressure atmosphere in Ar gas. The structure of the 10-nm-order particle was cubic WO₃, and for the particle larger than 50 nm, the structure was triclinic WO₃. The color of the produced samples changed from blue to yellowish green and yellow depending on the particle size. It was also shown that the present particle is a good transmittance material for mid-IR light with wavelength between 5 and 20 μm. The growth of huge particles by coalescence growth in smoke has been discussed.

Original language	English
Pages (from-to)	e1673-e1678
Journal	Journal of Crystal Growth
Volume	275
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jcrysgro.2004.11.228
Publication status	Published - 2005 Feb 15

Keywords

A1. Nanostructures
A2. Growth from vapor
B1. Nanomaterials
B1. Oxides

ASJC Scopus subject areas

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

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title = "Structure of WO3 ultrafine particles and their characteristic solid states",

abstract = "WO3 nanoparticles from 10 to 250 nm in diameter were formed by burning tungsten wire in low-oxygen-partial-pressure atmosphere in Ar gas. The structure of the 10-nm-order particle was cubic WO3, and for the particle larger than 50 nm, the structure was triclinic WO3. The color of the produced samples changed from blue to yellowish green and yellow depending on the particle size. It was also shown that the present particle is a good transmittance material for mid-IR light with wavelength between 5 and 20 μm. The growth of huge particles by coalescence growth in smoke has been discussed.",

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author = "Mami Kurumada and Osamu Kido and Takeshi Sato and Hitoshi Suzuki and Yuki Kimura and Katsuya Kamitsuji and Yoshio Saito and Chihiro Kaito",

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T1 - Structure of WO3 ultrafine particles and their characteristic solid states

AU - Kurumada, Mami

AU - Kido, Osamu

AU - Sato, Takeshi

AU - Suzuki, Hitoshi

AU - Kimura, Yuki

AU - Kamitsuji, Katsuya

AU - Saito, Yoshio

AU - Kaito, Chihiro

PY - 2005/2/15

Y1 - 2005/2/15

N2 - WO3 nanoparticles from 10 to 250 nm in diameter were formed by burning tungsten wire in low-oxygen-partial-pressure atmosphere in Ar gas. The structure of the 10-nm-order particle was cubic WO3, and for the particle larger than 50 nm, the structure was triclinic WO3. The color of the produced samples changed from blue to yellowish green and yellow depending on the particle size. It was also shown that the present particle is a good transmittance material for mid-IR light with wavelength between 5 and 20 μm. The growth of huge particles by coalescence growth in smoke has been discussed.

AB - WO3 nanoparticles from 10 to 250 nm in diameter were formed by burning tungsten wire in low-oxygen-partial-pressure atmosphere in Ar gas. The structure of the 10-nm-order particle was cubic WO3, and for the particle larger than 50 nm, the structure was triclinic WO3. The color of the produced samples changed from blue to yellowish green and yellow depending on the particle size. It was also shown that the present particle is a good transmittance material for mid-IR light with wavelength between 5 and 20 μm. The growth of huge particles by coalescence growth in smoke has been discussed.

KW - A1. Nanostructures

KW - A2. Growth from vapor

KW - B1. Nanomaterials

KW - B1. Oxides

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