Fabrication of ZnO nanorods by atmospheric-pressure solid-source CVD using ethanol-assisted low-temperature vaporization

Sawako Miyamoto; Tetsuya Hasegawa; Hiroyuki Takahashi; Tetsu Yonezawa; Hajime Kiyono; Takashi Yanase; Taro Nagahama; Toshihiro Shimada

doi:10.1246/bcsj.20120202

Fabrication of ZnO nanorods by atmospheric-pressure solid-source CVD using ethanol-assisted low-temperature vaporization

Sawako Miyamoto, Tetsuya Hasegawa, Hiroyuki Takahashi, Tetsu Yonezawa, Hajime Kiyono, Takashi Yanase, Taro Nagahama, Toshihiro Shimada

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

1 Citation (Scopus)

Abstract

We report a method to produce vapor species from ZnO powder for the fabrication of ZnO nanorods. Mixing ethanol vapor with the inert carrier gas substantially lowered the gasification temperature of ZnO. c Axis-aligned ZnO nanorods were obtained by dispersing gold nanoparticles on Si substrates. The growth was identified as a vaporsolid (VS) mechanism. Choice of the substrate materials and their surface morphology were both critically important to control the shapes and orientation of grown ZnO.

Original language	English
Pages (from-to)	1287-1292
Number of pages	6
Journal	Bulletin of the Chemical Society of Japan
Volume	85
Issue number	12
DOIs	https://doi.org/10.1246/bcsj.20120202
Publication status	Published - 2012
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)

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Fabrication of ZnO nanorods by atmospheric-pressure solid-source CVD using ethanol-assisted low-temperature vaporization. / Miyamoto, Sawako; Hasegawa, Tetsuya; Takahashi, Hiroyuki; Yonezawa, Tetsu; Kiyono, Hajime; Yanase, Takashi; Nagahama, Taro; Shimada, Toshihiro.

In: Bulletin of the Chemical Society of Japan, Vol. 85, No. 12, 2012, p. 1287-1292.

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

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AU - Miyamoto, Sawako

AU - Hasegawa, Tetsuya

AU - Takahashi, Hiroyuki

AU - Yonezawa, Tetsu

AU - Kiyono, Hajime

AU - Yanase, Takashi

AU - Nagahama, Taro

AU - Shimada, Toshihiro

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AB - We report a method to produce vapor species from ZnO powder for the fabrication of ZnO nanorods. Mixing ethanol vapor with the inert carrier gas substantially lowered the gasification temperature of ZnO. c Axis-aligned ZnO nanorods were obtained by dispersing gold nanoparticles on Si substrates. The growth was identified as a vaporsolid (VS) mechanism. Choice of the substrate materials and their surface morphology were both critically important to control the shapes and orientation of grown ZnO.

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Fabrication of ZnO nanorods by atmospheric-pressure solid-source CVD using ethanol-assisted low-temperature vaporization

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