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Ultrathin graphdiyne film on graphene through solution-phase van der Waals epitaxy
Gao, Xin1; Zhu, Yihan2; Yi, Ding3,4; Zhou, Jingyuan1; Zhang, Shishu1; Yin, Chen1; Ding, Feng3,4; Zhang, Shuqing1; Yi, Xiaohui5; Wang, Jizheng5; Tong, Lianming1; Han, Yu6; Liu, Zhongfan1; Zhang, Jin1
2018-07-01
Source PublicationSCIENCE ADVANCES
ISSN2375-2548
Volume4Issue:7
AbstractGraphdiyne (GDY) is an ordered two-dimensional (2D) carbon allotrope comprising sp- and sp(2)-hybridized carbon atoms with high degrees of pi-conjugation, which features a natural band gap and superior electric properties. However, the synthesis of one- or few-layer GDY remains challenging because of the free rotation around alkyne-aryl single bonds and the lack of thickness control. We report the facile synthesis of an ultrathin single-crystalline GDY film on graphene through a solution-phase van der Waals epitaxial strategy. The weak admolecule-substrate interaction at the heterojunction drastically relaxes the large lattice mismatch between GDY and graphene. It allows the fast in-plane coupling of admolecules and slow out-of-plane growth toward the formation of an incommensurately stacked heterostructure, which is composed of single-layer graphene and few-layer ABC-stacked GDY, as directly observed by electron microscopy and identified from Raman fingerprints. This study provides a general route not only to the bottom-up synthesis of intriguing 2D acetylenic carbon allotropes but also to the device fabrication for the direct measurement of their intrinsic electrical, mechanical, and thermal properties.
DOI10.1126/sciadv.aat6378
Indexed BySCI
Language英语
WOS IDWOS:000443176100064
PublisherAMER ASSOC ADVANCEMENT SCIENCE
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/42324
Collection中国科学院化学研究所
Corresponding AuthorTong, Lianming; Han, Yu; Liu, Zhongfan; Zhang, Jin
Affiliation1.Peking Univ, Ctr Nanochem, Beijing Sci & Engn Ctr Nanocarbons, BNLMS,Coll Chem & Mol Engn, Beijing 100871, Peoples R China
2.Zhejiang Univ Technol, Dept Chem Engn, Hangzhou 310014, Zhejiang, Peoples R China
3.Ulsan Natl Inst Sci & Technol, Ctr Multidimens Carbon Mat, Inst Basic Sci, Ulsan 44919, South Korea
4.Ulsan Natl Inst Sci & Technol, Sch Mat Sci & Engn, Ulsan 44919, South Korea
5.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, BNLMS, Beijing 100871, Peoples R China
6.King Abdullah Univ Sci & Technol, Adv Membranes & Porous Mat Ctr, Phys Sci & Engn Div, Thuwal 239556900, Saudi Arabia
Recommended Citation
GB/T 7714
Gao, Xin,Zhu, Yihan,Yi, Ding,et al. Ultrathin graphdiyne film on graphene through solution-phase van der Waals epitaxy[J]. SCIENCE ADVANCES,2018,4(7).
APA Gao, Xin.,Zhu, Yihan.,Yi, Ding.,Zhou, Jingyuan.,Zhang, Shishu.,...&Zhang, Jin.(2018).Ultrathin graphdiyne film on graphene through solution-phase van der Waals epitaxy.SCIENCE ADVANCES,4(7).
MLA Gao, Xin,et al."Ultrathin graphdiyne film on graphene through solution-phase van der Waals epitaxy".SCIENCE ADVANCES 4.7(2018).
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