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

Weng, Mengting; Yanase, Takashi; Uehara, Fumiya et al.

Crystengcomm, 2017, 19(28), 3915-3920

Permalink : https://hdl.handle.net/2115/71072

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アクセス権
open access
URI
https://hdl.handle.net/2115/71072
タイトル
Switching of the products by changing the size and shape of catalytic nanoparticles during CVD growth of MoS2 nanotubes
著者
Weng, Mengting ; Yanase, Takashi ; Uehara, Fumiya ; Watanabe, Sho ; Miura, Takuya ; Nagahama, Taro ; Shimada, Toshihiro
著者名
Weng, Mengting
著者名
Yanase, Takashi
著者名
Uehara, Fumiya
著者名
Watanabe, Sho
著者名
Miura, Takuya
著者名
Nagahama, Taro
e-Rad_Researcher
10262148
著者名
Shimada, Toshihiro
言語
英語
発行日
2017-07-28
出版者
Royal Society of Chemistry
収録物名
Crystengcomm
巻(号)
19(28)
ページ
3915-3920
抄録
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.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
PISSN
1466-8033
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1039/c7ce00608j