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A new technique for nanoparticle transport and its application in a novel nano-sieve
Wang S(王帅)1,4; Wang C(王超)1; Peng ZL(彭志龙)2,3; Chen SH(陈少华)2,3
2018-06-26
发表期刊SCIENTIFIC REPORTS
卷号8页码:9682
ISSN2045-2322
摘要

A new technique is proposed to transport and further classify nanoparticles of different sizes. A graphene sheet is used as the substrate; a nanoparticle is placed on the substrate and a sliding block is located below the substrate. As the sliding block moves under the graphene substrate, a driving force is yielded from the van der Waals interaction between the sliding block and the nanoparticle. The effects of the pre-tension of the graphene substrate, size and number of layers of the nanoparticle, slip velocity, the interface commensurability and temperature on nanoparticle transportation are systematically investigated. It is found that a pre-tensioned graphene substrate could provide easier nanoparticle transport. The initial movement of the nanoparticle depends on the competition between the in-plane force and the driving force, while the subsequent transport depends on the slip velocity of the sliding block and the viscous damping force. Based on such a new transport mechanism, a novel nano-sieve can be designed, with which nanoparticles of different sizes can be screened and classified spontaneously. Our findings may be useful for promising designs of transportation, manipulation and classification of nanoparticles.

DOI10.1038/s41598-018-28033-5
收录类别SCI
语种英语
WOS记录号WOS:000436233600010
关键词[WOS]Carbon Nanotubes ; Graphene ; Motion ; Wettability ; Nanoribbon ; Surface
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
项目资助者NSFC(11372317 ; BIT Creative Research Plan ; 11532013 ; 11602270)
论文分区一类
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77643
专题非线性力学国家重点实验室
通讯作者Chen SH(陈少华)
作者单位1.Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China
2.Beijing Inst Technol, Inst Adv Struct Technol, Beijing 100081, Peoples R China
3.Beijing Inst Technol, Beijing Key Lab Lightweight Multifunct Composite, Beijing 100081, Peoples R China
4.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Wang S,Wang C,Peng ZL,et al. A new technique for nanoparticle transport and its application in a novel nano-sieve[J]. SCIENTIFIC REPORTS,2018,8:9682.
APA Wang S,Wang C,Peng ZL,&Chen SH.(2018).A new technique for nanoparticle transport and its application in a novel nano-sieve.SCIENTIFIC REPORTS,8,9682.
MLA Wang S,et al."A new technique for nanoparticle transport and its application in a novel nano-sieve".SCIENTIFIC REPORTS 8(2018):9682.
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