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Ultrafast Transition of Nonuniform Graphene to High-Quality Uniform Monolayer Films on Liquid Cu
Xin, Xing1,2; Xu, Chuan1; Zhang, Dingdong1,3; Liu, Zhibo1; Ma, Wei1,3; Qian, Xitan1,3; Chen, Mao-Lin1,3; Du, Jinhong1,3; Cheng, Hui-Ming1,3,4; Ren, Wencai1,3
Corresponding AuthorCheng, Hui-Ming(cheng@imr.ac.cn) ; Ren, Wencai(wcren@imr.ac.cn)
2019-05-15
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume11Issue:19Pages:17629-17636
AbstractIt is essentially important to synthesize uniform graphene films with a controlled number of layers because their properties strongly depend on the number of layers. Although chemical vapor deposition (CVD) on Cu has been widely used to synthesize large-area graphene films, the growth on solid and liquid Cu (L-Cu) suffers from poor thickness uniformity with a great number of adlayers and difficulty in forming continuous films even after a long growth time of hours, respectively. Here, we found that nonuniform graphene films initially grown on solid Cu (S-Cu) foil can rapidly transform into continuously uniform monolayer graphene film on L-Cu within 3 min. Moreover, the films obtained show larger grain size, higher quality, electrical properties, and better performance in organic light-emitting diode applications than the original films grown on S-Cu foil. By using carbon isotope labeling, we revealed that the multilayer-to-monolayer transition of graphene on L-Cu experiences etching-"self-aligning"-coalescence processes. This two-step CVD method not only opens up a new way for the rapid growth of uniform monolayer graphene films but also provides helpful information for the controlled growth of uniform monolayers of other 2D materials such as monolayer h-BN.
Keywordgraphene 2D material film chemical vapor deposition number of layers
Funding OrganizationMinistry of Science and Technology of China ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Strategic Priority Research Program of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences
DOI10.1021/acsami.9b01137
Indexed BySCI
Language英语
Funding ProjectMinistry of Science and Technology of China[2016YFA0200101] ; National Natural Science Foundation of China[51325205] ; National Natural Science Foundation of China[51290273] ; National Natural Science Foundation of China[51521091] ; National Natural Science Foundation of China[51572265] ; National Natural Science Foundation of China[51861135201] ; Chinese Academy of Sciences[KGZD-EW-303-1] ; Chinese Academy of Sciences[KGZD-EW-T06] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB30000000] ; Youth Innovation Promotion Association of Chinese Academy of Sciences
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000468364500055
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/133489
Collection中国科学院金属研究所
Corresponding AuthorCheng, Hui-Ming; Ren, Wencai
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Shenyang 110016, Liaoning, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
4.Tsinghua Univ, TBSI, 1001 Xueyuan Rd, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Xin, Xing,Xu, Chuan,Zhang, Dingdong,et al. Ultrafast Transition of Nonuniform Graphene to High-Quality Uniform Monolayer Films on Liquid Cu[J]. ACS APPLIED MATERIALS & INTERFACES,2019,11(19):17629-17636.
APA Xin, Xing.,Xu, Chuan.,Zhang, Dingdong.,Liu, Zhibo.,Ma, Wei.,...&Ren, Wencai.(2019).Ultrafast Transition of Nonuniform Graphene to High-Quality Uniform Monolayer Films on Liquid Cu.ACS APPLIED MATERIALS & INTERFACES,11(19),17629-17636.
MLA Xin, Xing,et al."Ultrafast Transition of Nonuniform Graphene to High-Quality Uniform Monolayer Films on Liquid Cu".ACS APPLIED MATERIALS & INTERFACES 11.19(2019):17629-17636.
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