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Large-area synthesis of high-quality and uniform monolayer WS2 on reusable Au foils
Gao, Yang; Liu, Zhibo; Sun, Dong-Ming; Huang, Le; Ma, Lai-Peng; Yin, Li-Chang; Ma, Teng; Zhang, Zhiyong; Ma, Xiu-Liang; Peng, Lian-Mao; Cheng, Hui-Ming; Ren, Wencai; wcren@imr.ac.cn
2015
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume6Pages:-
AbstractLarge-area monolayer WS2 is a desirable material for applications in next-generation electronics and optoelectronics. However, the chemical vapour deposition (CVD) with rigid and inert substrates for large-area sample growth suffers from a non-uniform number of layers, small domain size and many defects, and is not compatible with the fabrication process of flexible devices. Here we report the self-limited catalytic surface growth of uniform monolayer WS2 single crystals of millimetre size and large-area films by ambient-pressure CVD on Au. The weak interaction between the WS2 and Au enables the intact transfer of the monolayers to arbitrary substrates using the electrochemical bubbling method without sacrificing Au. The WS2 shows high crystal quality and optical and electrical properties comparable or superior to mechanically exfoliated samples. We also demonstrate the roll-to-roll/bubbling production of large-area flexible films of uniform monolayer, double-layer WS2 and WS2/graphene heterostructures, and batch fabrication of large-area flexible monolayer WS2 film transistor arrays.
description.department[gao, yang ; liu, zhibo ; sun, dong-ming ; ma, lai-peng ; yin, li-chang ; ma, teng ; ma, xiu-liang ; cheng, hui-ming ; ren, wencai] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [huang, le ; zhang, zhiyong ; peng, lian-mao] peking univ, dept elect, key lab phys & chem nanodevices, beijing 100871, peoples r china
Funding OrganizationNational Science Foundation of China [51325205, 51290273, 51221264, 51172240, 51272256, 61422406]; Ministry of Science and Technology of China [2012AA030303]; Chinese Academy of Sciences [KGZD-EW-303-1, KGZD-EW-T06]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74939
Collection中国科学院金属研究所
Corresponding Authorwcren@imr.ac.cn
Recommended Citation
GB/T 7714
Gao, Yang,Liu, Zhibo,Sun, Dong-Ming,et al. Large-area synthesis of high-quality and uniform monolayer WS2 on reusable Au foils[J]. NATURE COMMUNICATIONS,2015,6:-.
APA Gao, Yang.,Liu, Zhibo.,Sun, Dong-Ming.,Huang, Le.,Ma, Lai-Peng.,...&wcren@imr.ac.cn.(2015).Large-area synthesis of high-quality and uniform monolayer WS2 on reusable Au foils.NATURE COMMUNICATIONS,6,-.
MLA Gao, Yang,et al."Large-area synthesis of high-quality and uniform monolayer WS2 on reusable Au foils".NATURE COMMUNICATIONS 6(2015):-.
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