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Mechanical responses of boron-doped monolayer graphene

文献类型：期刊论文

作者Dai, Zhaohe1,4; Wang, Guorui1; Zheng, Zhiyue5; Wang, Yanlei6,7,9; Zhang, Shuai6,7; Qi, Xiaoying1; Tan, Pingheng8; Liu, Luqi1; Xu, Zhiping6,7; Li, Qunyang6,7
刊名CARBON
出版日期2019-06-01
卷号147页码:594-601
ISSN号0008-6223
DOI10.1016/j.carbon.2019.03.014
英文摘要Though pristine graphene exhibits remarkable mechanical and electronic properties, many electromechanical applications may come from chemically doping it with heteroatoms. The goal is to tune the atomic lattice and, in turn, modulate the electronic band structure of graphene - that may also affect the mechanical responses of the graphene sheet. Particularly essential for both practical applications and fundamental interests is to characterize the effect of chemical doping on the mechanical properties of graphene. Here we report graphene can maintain a large fraction of its pristine strength and stiffness after substituting boron for carbon atoms. Counter-intuitively, boron doping can ameliorate the brittle nature of the original lattice by deflecting the cracks and enabling damage-tolerant behaviors. We further offer a direct mapping between the Raman spectra and the measured mechanical performances that can show the relationship between doping structure and mechanical properties of graphene. This work offers important implications for the rational design of graphene-based systems that require chemical modifications and also utilize the mechanics of graphene. (C) 2019 Published by Elsevier Ltd.
WOS关键词RAMAN-SPECTROSCOPY ; STRENGTH ; DYNAMICS ; DEFECTS
资助项目National Key Basic Research Program of China[2013CB934203] ; National Key Basic Research Program of China[2012CB937503] ; National Key Basic Research Program of China[2016YFA0200700] ; National Natural Science Foundation of China[11832010] ; National Natural Science Foundation of China[11890682] ; National Natural Science Foundation of China[21474023] ; National Natural Science Foundation of China[61674045] ; Beijing Natural Science Foundation[2184124]
WOS研究方向Chemistry ; Materials Science
语种英语
WOS记录号WOS:000468156500066
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构National Key Basic Research Program of China ; National Natural Science Foundation of China ; Beijing Natural Science Foundation
源URL[http://ir.ipe.ac.cn/handle/122111/28175]  
专题中国科学院过程工程研究所
通讯作者Liu, Luqi; Cheng, Zhihai; Zhang, Zhong
作者单位1.Natl Ctr Nanosci & Technol, CAS Key Lab Nanosyst & Hierarch Fabricat, CAS Ctr Excellence Nanosci, Beijing 100190, Peoples R China
2.Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China
3.Renmin Univ China, Beijing Key Lab Optoelect Funct Mat & Micronano D, Beijing 100872, Peoples R China
4.Univ Texas Austin, Ctr Mech Solids Struct & Mat, Dept Aerosp Engn & Engn Mech, Austin, TX 78712 USA
5.Natl Ctr Nanosci & Technol, CAS Key Lab Standardizat & Measurement Nanotechno, CAS Ctr Excellence Nanosci, Beijing 100190, Peoples R China
6.Tsinghua Univ, Appl Mech Lab, Dept Engn Mech, Beijing 100084, Peoples R China
7.Tsinghua Univ, Ctr Nano & Micro Mech, Beijing 100084, Peoples R China
8.Chinese Acad Sci, State Key Lab Superlattices & Microstruct, Inst Semicond, Beijing 100083, Peoples R China
9.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Beijing Key Lab Ion Liquids Clean Proc, Inst Proc Engn, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Dai, Zhaohe,Wang, Guorui,Zheng, Zhiyue,et al. Mechanical responses of boron-doped monolayer graphene[J]. CARBON,2019,147:594-601.
APA Dai, Zhaohe.,Wang, Guorui.,Zheng, Zhiyue.,Wang, Yanlei.,Zhang, Shuai.,...&Zhang, Zhong.(2019).Mechanical responses of boron-doped monolayer graphene.CARBON,147,594-601.
MLA Dai, Zhaohe,et al."Mechanical responses of boron-doped monolayer graphene".CARBON 147(2019):594-601.

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来源：过程工程研究所

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