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题名: Monolayer MoS2 Growth on Au Foils and On-Site Domain Boundary Imaging
作者: Shi, Jianping1, 2;  Yang, Yang;  Zhang, Yu1, 2;  Ma, Donglin2;  Wei, Wei3;  Ji, Qingqing2;  Zhang, Yanshuo1, 2;  Song, Xiuju2;  Gao, Teng2;  Li, Cong1, 2;  Bao, Xinhe3;  Liu, Zhongfan2;  Fu, Qiang3;  Zhang, Yanfeng1, 2
刊名: ADVANCED FUNCTIONAL MATERIALS
发表日期: 2015-02-11
DOI: 10.1002/adfm.201403659
卷: 25, 期:6, 页:842-849
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Multidisciplinary ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary ;  Physics, Applied ;  Physics, Condensed Matter
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science ;  Physics
英文摘要: Controllable synthesis of large domain, high-quality monolayer MoS2 is the basic premise both for exploring some fundamental physical issues, and for engineering its applications in nanoelectronics, optoelectronics, etc. Herein, by introducing H-2 as carrier gas, the successful synthesis of large domain monolayer MoS2 triangular flakes on Au foils, with the edge length approaching to 80 mm is reported. The growth process is proposed to be mediated by two competitive effects with H-2 acting as both a reduction promoter for efficient sulfurization of MoO3 and an etching reagent of resulting MoS2 flakes. By using low-energy electron microscopy/diffraction, the crystal orientations and domain boundaries of MoS2 flakes directly on Au foils for the first time are further identified. These on-site and transfer-free characterizations should shed light on the initial growth and the aggregation of MoS2 on arbitrary substrates, further guiding the growth toward large domain flakes or monolayer films.
关键词[WOS]: CHEMICAL-VAPOR-DEPOSITION ;  DISULFIDE ATOMIC LAYERS ;  SINGLE-CRYSTAL GRAPHENE ;  ACTIVE EDGE SITES ;  MOLYBDENUM-DISULFIDE ;  VALLEY POLARIZATION ;  GRAIN-BOUNDARY ;  LARGE-AREA ;  NANOSHEETS ;  SURFACE
语种: 英语
WOS记录号: WOS:000349629600002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146017
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Peking Univ, Dept Mat Sci & Engn, Coll Engn, Beijing 100871, Peoples R China
2.Peking Univ, Ctr Nanochem CNC, Beijing Natl Lab Mol Sci, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Shi, Jianping,Yang, Yang,Zhang, Yu,et al. Monolayer MoS2 Growth on Au Foils and On-Site Domain Boundary Imaging[J]. ADVANCED FUNCTIONAL MATERIALS,2015,25(6):842-849.
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