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Switching of the products by changing the size and shape of catalytic nanoparticles during CVD growth of MoS2 nanotubes

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/71072

Title: Switching of the products by changing the size and shape of catalytic nanoparticles during CVD growth of MoS2 nanotubes
Authors: Weng, Mengting Browse this author
Yanase, Takashi Browse this author
Uehara, Fumiya Browse this author
Watanabe, Sho Browse this author
Miura, Takuya Browse this author
Nagahama, Taro Browse this author
Shimada, Toshihiro Browse this author →KAKEN DB
Issue Date: 28-Jul-2017
Publisher: Royal Society of Chemistry
Journal Title: Crystengcomm
Volume: 19
Issue: 28
Start Page: 3915
End Page: 3920
Publisher DOI: 10.1039/c7ce00608j
Abstract: Nanowires of layered materials are important because they exhibit the highest sensitivity as electricallydetecting chemical sensors. MoS2 nanowires have been synthesized by a catalytic chemical vapor deposition method on silicon substrates drop-coated with FeO nanoparticles of different shapes. Switching of the products (MoS2 nanowires to SiO2 nanowires) has been observed when the shapes and sizes of the FeO nanoparticles changed. MoS2 nanowires were grown in the presence of six-horned octahedral nanoparticles, whereas SiO2 nanowires were formed in the presence of spherical nanoparticles. Their morphology, crystal structure and elemental composition have been fully investigated to elucidate the growth mechanism of the nanowires. The kinetics of the grown SiO2 and MoS2 nanowires are competing, giving rise to the observed switching.
Type: article (author version)
URI: http://hdl.handle.net/2115/71072
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 島田 敏宏

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