Tailoring Nucleation at Two Interfaces Enables Single Crystalline NiO Nanowires via Vapor–Liquid–Solid Route

Here we show a rational strategy to fabricate single crystalline NiO nanowires via a vapor–liquid–solid (VLS) route, which essentially allows us to tailor the diameter and the spatial position. Our strategy is based on the suppression of the nucleation at vapor–solid (VS) interface, which promotes n...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2016-10, Vol.8 (41), p.27892-27899
Main Authors: Nagashima, Kazuki, Yoshida, Hideto, Klamchuen, Annop, Kanai, Masaki, Meng, Gang, Zhuge, Fuwei, He, Yong, Anzai, Hiroshi, Zhu, Zetao, Suzuki, Masaru, Boudot, Mickaël, Takeda, Seiji, Yanagida, Takeshi
Format: Article
Language:English
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Summary:Here we show a rational strategy to fabricate single crystalline NiO nanowires via a vapor–liquid–solid (VLS) route, which essentially allows us to tailor the diameter and the spatial position. Our strategy is based on the suppression of the nucleation at vapor–solid (VS) interface, which promotes nucleation only at the liquid–solid (LS) interface. Manipulating both the supplied material fluxes (oxygen and metal) and the growth temperature enables enhancement of the nucleation only at the LS interface. Furthermore, this strategy allows us to reduce the growth temperature of single crystalline NiO nanowires down to 550 °C, which is the lowest growth temperature so far reported.
ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.6b09761