Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/14946
Title: | Formation of graphene grain boundaries on Cu(100) surface and a route towards their elimination in chemical vapor deposition growth | Authors: | Yuan, Q Song, G Sun, D Ding, F |
Issue Date: | 2014 | Source: | Scientific reports, 7 2014, v. 4, no. , p. 1-5 | Abstract: | Grain boundaries (GBs) in graphene prepared by chemical vapor deposition (CVD) greatly degrade the electrical and mechanical properties of graphene and thus hinder the applications of graphene in electronic devices. The seamless stitching of graphene flakes can avoid GBs, wherein the identical orientation of graphene domain is required. In this letter, the graphene orientation on one of the most used catalyst surface-Cu(100) surface, is explored by density functional theory (DFT) calculations. Our calculation demonstrates that a zigzag edged hexagonal graphene domain on a Cu(100) surface has two equivalent energetically preferred orientations, which are 30 degree away from each other. Therefore, the fusion of graphene domains on Cu(100) surface during CVD growth will inevitably lead to densely distributed GBs in the synthesized graphene. Aiming to solve this problem, a simple route, that applies external strain to break the symmetry of the Cu(100) surface, was proposed and proved efficient. | Publisher: | Nature Publishing Group | Journal: | Scientific reports | EISSN: | 2045-2322 | DOI: | 10.1038/srep06541 | Rights: | This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/ The following publication Yuan, Q., Song, G., Sun, D. et al. Formation of Graphene Grain Boundaries on Cu(100) Surface and a Route Towards Their Elimination in Chemical Vapor Deposition Growth. Sci Rep 4, 6541 (2015) is available at https://dx.doi.org/10.1038/srep06541 |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Yuan_Graphene_Grain_Boundaries.pdf | 1.61 MB | Adobe PDF | View/Open |
Page views
128
Last Week
1
1
Last month
Citations as of Apr 21, 2024
Downloads
71
Citations as of Apr 21, 2024
SCOPUSTM
Citations
24
Last Week
0
0
Last month
0
0
Citations as of Apr 19, 2024
WEB OF SCIENCETM
Citations
24
Last Week
0
0
Last month
0
0
Citations as of Apr 25, 2024
Google ScholarTM
Check
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.