Defects guided wrinkling in graphene on copper substrate | |
Pang ZQ(庞振乾); Deng B; Liu ZF; Peng HL; Wei YJ(魏宇杰) | |
发表期刊 | CARBON |
2019-03-01 | |
卷号 | 143页码:736-742 |
ISSN | 0008-6223 |
摘要 | Pristine graphene depositing on metallic substrates often wrinkles when the film-substrate system undergoes a temperature drop from the chemical vapor deposition (CVD) chamber to ambient environment. The pattern of wrinkles is governed by the crystallographic planes of the substrates and the defects in the film. In this paper, we report how commonly seen Stone-Wales defects and grain boundaries (GBs) influence the morphology of graphene on different planes of single crystalline copper substrate. Stone-Wales defects weaken the bending stiffness in graphene, and result in wrinkling along the defect direction. In the presence of GBs, primary wrinkles are always parallel to the GB direction, and there are also secondary wrinkles perpendicular to the GB. In combination with planes of the substrate and the orientation of defects, we demonstrate that we may manipulate wrinkling patterns for possible engineering applications. (C) 2018 Elsevier Ltd. All rights reserved. |
关键词 | Wrinkling Graphene Grain boundary Stone-wales defects Binding energy |
DOI | 10.1016/j.carbon.2018.11.059 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000456710500079 |
关键词[WOS] | TOTAL-ENERGY CALCULATIONS ; THERMAL-EXPANSION ; ENHANCEMENT ; DOMAINS ; METALS ; STRAIN ; GROWTH ; CU |
WOS研究方向 | Chemistry, Physical ; Materials Science, Multidisciplinary |
WOS类目 | Chemistry ; Materials Science |
项目资助者 | National Natural Science Foundation of China [11425211] |
论文分区 | 二类 |
力学所作者排名 | 1 |
RpAuthor | Wei, YJ ; Liu, ZF ; Peng, HL |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/78442 |
专题 | 非线性力学国家重点实验室 |
作者单位 | 1.{Pang, Zhenqian、Wei, Yujie} Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China 2.{Deng, Bing、Liu, Zhongfan、Peng, Hailin} Peking Univ, Coll Chem & Mol Engn, BNLMS, Ctr Nanochem CNC, Beijing 100871, Peoples R China 3.{Liu, Zhongfan、Peng, Hailin} BGI, Beijing 100094, Peoples R China 4.{Pang, Zhenqian、Wei, Yujie} Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Pang ZQ,Deng B,Liu ZF,et al. Defects guided wrinkling in graphene on copper substrate[J]. CARBON,2019,143:736-742. |
APA | 庞振乾,Deng B,Liu ZF,Peng HL,&魏宇杰.(2019).Defects guided wrinkling in graphene on copper substrate.CARBON,143,736-742. |
MLA | 庞振乾,et al."Defects guided wrinkling in graphene on copper substrate".CARBON 143(2019):736-742. |
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