Extracting the inner wall from nested double-walled carbon nanotube by platinum nanowire: molecular dynamics simulations

被引：6

作者：

Xia, Dan ^{[1
]}

Luo, Yongchao ^{[1
]}

Li, Qiang ^{[2
]}

Xue, Qingzhong ^{[3
]}

Zhang, Xiaomin ^{[1
]}

Liang, Chunyong ^{[1
]}

Dong, Mingdong ^{[4
]}

机构：

[1] Hebei Univ Technol, Tianjin Key Lab Mat Laminating Fabricat & Interfa, Res Inst Energy Equipment Mat, Collage Mat Sci & Engn, Tianjin 300130, Peoples R China

[2] Shandong Univ, Sch Chem & Chem Engn, Key Lab Colloid & Interface Chem, Minist Educ, Jinan 250100, Shandong, Peoples R China

[3] China Univ Petr, Coll Sci, State Key Lab Heavy Oil Proc, Qingdao 266580, Shandong, Peoples R China

[4] Aarhus Univ, Interdisciplinary Nanosci Ctr iNANO, DK-8000 Aarhus C, Denmark

来源：

RSC ADVANCES | 2017年 / 7卷 / 63期

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

FORCE-FIELD; GRAPHENE; SUPERLUBRICITY; NANORIBBONS; ACTUATORS; MECHANICS; SHELLS;

D O I：

10.1039/c7ra07066g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The sliding behavior of interwalls between double-walled carbon nanotubes (DWCNTs) is studied by molecular dynamics (MD) simulations. The results show that a platinum (Pt) nanowire (NW) is able to push out a single wall from the DWCNT. The pushout process is strongly dependent on the match level of the NW radius and the inner wall CNT radius. The match radius of the Pt NW and the inner CNT wall will form perfect single-walled CNT (SWCNT) and Pt/CNT core/shell nanostructure. In addition, the bonding interactions between the Pt NW and the CNT are also studied. The shear stress between the Pt NW and CNT is in megapascal magnitude. The chirality has little effect on the interfacial bonding and the shear stress between the Pt NW and the CNT. This study will shed light on the understanding of the lubrication mechanism of the multi-walled CNT and the metal NWs in realistic situations.

引用

页码：39480 / 39489

页数：10

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