Vapour-liquid-solid growth of monolayer MoS2 nanoribbons

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Title
Vapour-liquid-solid growth of monolayer MoS2 nanoribbons
Author(s)
Shisheng Li; Yung-Chang Lin; Wen Zhao; Jing Wu; Zhuo Wang; Zehua Hu; Youde Shen; Dai-Ming Tang; Junyong Wang; Qi Zhang; Hai Zhu; Leiqiang Chu; Weijie Zhao; Chang Liu; Zhipei Sun; Takaaki Taniguchi; Minoru Osada; Wei Chen; Qing-Hua Xu; Andrew Thye Shen Wee; Kazu Suenaga; Feng Ding; Goki Eda
Publication Date
2018-06
Journal
NATURE MATERIALS, v.17, no.6, pp.535 - 542
Publisher
NATURE PUBLISHING GROUP
Abstract
Chemical vapour deposition of two-dimensional materials typically involves the conversion of vapour precursors to solid products in a vapour-solid-solid mode. Here, we report the vapour-liquid-solid growth of monolayer MoS2, yielding highly crystalline ribbons with a width of few tens to thousands of nanometres. This vapour-liquid-solid growth is triggered by the reaction between MoO3 and NaCl, which results in the formation of molten Na-Mo-O droplets. These droplets mediate the growth of MoS2 ribbons in the 'crawling mode' when saturated with sulfur. The locally well-defined orientations of the ribbons reveal the regular horizontal motion of the droplets during growth. Using atomic-resolution scanning transmission electron microscopy and second harmonic generation microscopy, we show that the ribbons are grown homoepitaxially on monolayer MoS2 with predominantly 2H-or 3R-type stacking. Our findings highlight the prospects for the controlled growth of atomically thin nano-structure arrays for nanoelectronic devices and the development of unique mixed-dimensional structures © 2018 Macmillan Publishers Limited, part of Springer Nature. All rights reserved.
URI
https://pr.ibs.re.kr/handle/8788114/4480
ISSN
1476-1122
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
Files in This Item:
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