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题名:
Spatial Manipulation and Assembly of Nanoparticles by Atomic Force Microscopy Tip-Induced Dielectrophoresis
作者: Zhou PL(周培林); Yu HB(于海波); Yang WG(杨文广); Wen YD(文扬东); Wang ZD(王志东); Li WR(李文荣); Liu LQ(刘连庆)
作者部门: 机器人学研究室
通讯作者: 于海波 ; 刘连庆
关键词: AFM ; tip-induced DEP ; 3D nanomanipulation ; nanoassembly ; nanostructure
刊名: ACS Applied Materials and Interfaces
ISSN号: 1944-8244
出版日期: 2017
卷号: 9, 期号:19, 页码:16715-16724
收录类别: SCI ; EI
产权排序: 1
项目资助者: National Natural Science Foundation of China (project no. 61475183, 61503258 and U1613220), the CAS FEA International Partnership Program for Creative Research Teams, and the Youth Innovation Promotion Association CAS.
摘要: In this article, we present a novel method of spatial manipulation and assembly of nanoparticles via atomic force microscopy tip-induced dielectrophoresis (AFM-DEP). This method combines the high-accuracy positioning of AFM with the parallel manipulation of DEP. A spatially nonuniform electric field is induced by applying an alternating current (AC) voltage between the conductive AFM probe and an indium tin oxide glass substrate. The AFM probe acted as a movable DEP tweezer for nanomanipulation and assembly of nanoparticles. The mechanism of AFM-DEP was analyzed by numerical simulation. The effects of solution depth, gap distance, AC voltage, solution concentration, and duration time were experimentally studied and optimized. Arrays of 200 nm polystyrene nanoparticles were assembled into various nanostructures, including lines, ellipsoids, and arrays of dots. The sizes and shapes of the assembled structures were controllable. It was thus demonstrated that AFM-DEP is a flexible and powerful tool for nanomanipulation.
语种: 英语
EI收录号: 20172203700933
WOS记录号: WOS:000401782500088
WOS标题词: Science & Technology ; Technology
类目[WOS]: Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
关键词[WOS]: NANOFIBER NANOELECTRODE ARRAYS ; ENHANCED RAMAN-SPECTROSCOPY ; CARBON NANOTUBES ; NANOMANIPULATION ; AFM ; TWEEZERS ; BACTERIA ; PROBE ; DNA ; SIMULATION
研究领域[WOS]: Science & Technology - Other Topics ; Materials Science
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/20496
Appears in Collections:机器人学研究室_期刊论文

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Recommended Citation:
Zhou PL,Yu HB,Yang WG,et al. Spatial Manipulation and Assembly of Nanoparticles by Atomic Force Microscopy Tip-Induced Dielectrophoresis[J]. ACS Applied Materials and Interfaces,2017,9(19):16715-16724.
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