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题名:
Manipulation of a neutral and nonpolar nanoparticle in water using a nonuniform electric field
作者: Xu, Z; Wang, CL; Sheng, N; Hu, GH; Zhou, ZW; Fang, HP
刊名: JOURNAL OF CHEMICAL PHYSICS
出版日期: 2016
卷号: 144, 期号:1, 页码:
关键词: DRIVEN ; CHARGE ; NANOTUBES ; DELIVERY ; CHANNEL ; PROTEIN ; MOTION ; CELLS
DOI: 10.1063/1.4939151
通讯作者: Fang, HP (reprint author), Chinese Acad Sci, Div Interfacial Water, Shanghai 201800, Peoples R China. ; Fang, HP (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China. ; Zhou, ZW (reprint author), Shanghai Univ, Shanghai Key Lab Mech Energy Engn, Shanghai Inst Appl Math & Mech, Shanghai 200072, Peoples R China.
文章类型: 期刊文献
英文摘要: The manipulation of nanoparticles in water is of essential importance in chemical physics, nanotechnology, medical technology, and biotechnology applications. Generally, a particle with net charges or charge polarity can be driven by an electric field. However, many practical particles only have weak and even negligible charge and polarity, which hinders the electric field to exert a force large enough to drive these nanoparticles directly. Here, we use molecular dynamics simulations to show that a neutral and nonpolar nanoparticle in liquid water can be driven directionally by an external electric field. The directed motion benefits from a nonuniform water environment produced by a nonuniform external electric field, since lower water energies exist under a higher intensity electric field. The nanoparticle spontaneously moves toward locations with a weaker electric field intensity to minimize the energy of the whole system. Considering that the distance between adjacent regions of nonuniform field intensity can reach the micrometer scale, this finding provides a new mechanism of manipulating nanoparticles from the nanoscale to the microscale. (C) 2016 AIP Publishing LLC.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000368617300008
ISSN号: 0021-9606
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25769
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Xu, Z,Wang, CL,Sheng, N,et al. Manipulation of a neutral and nonpolar nanoparticle in water using a nonuniform electric field[J]. JOURNAL OF CHEMICAL PHYSICS,2016-01-01,144(1):—.
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