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Optical Spectrum and Electric Field Waveform Dependent Optically-Induced Dielectrophoretic (ODEP)Micro-Manipulation
Liang WF(梁文峰); Wang SE(王淑娥); Dong ZL(董再励); Li GB(李国宾); Li WJ(李文荣)
作者部门机器人学研究室
关键词Optically-induced Dielectrophoresis Odep Force Dielectrophoresis Dep Force Micro-manipulation Micro-assembly
发表期刊Micromachines
ISSN2072-666X
2012
卷号3期号:2页码:492-508
收录类别SCI ; EI
EI收录号20131016088163
WOS记录号WOS:000325015500021
产权排序1
摘要In the last seven years, optoelectronic tweezers using optically-induced dielectrophoretic (ODEP) force have been explored experimentally with much success in manipulating micro/nano objects. However, not much has been done in terms of in-depth understanding of the ODEP-based manipulation process or optimizing the input physical parameters to maximize ODEP force. We present our work on analyzing two significant influencing factors in generating ODEP force on a-Si:H based ODEP chips: (1) the waveforms of the AC electric potential across the fluidic medium in an ODEP chip based microfluidic platform; and (2) optical spectrum of the light image projected onto the ODEP chip. Theoretical and simulation results indicate that when square waves are used as the AC electric potential instead of sine waves, ODEP force can double. Moreover, numerical results show that ODEP force increases with increasing optical frequency of the projected light on an ODEP chip following the Fermi-Dirac function, validating that the optically-induced dielectrophoresis force depends strongly on the electron-hole carrier generation phenomena in optoelectronic materials. Qualitative experimental results that validate the numerical results are also presented in this paper.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Nanoscience & Nanotechnology ; Instruments & Instrumentation
关键词[WOS]AMORPHOUS-SILICON ; CELL ; MICROPARTICLES ; NANOPARTICLES ; IMAGES
WOS研究方向Science & Technology - Other Topics ; Instruments & Instrumentation
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/10333
专题机器人学研究室
通讯作者Li WJ(李文荣)
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, 114 Nanta Str, Shenhe Dist., Shenyang 110016, China
2.The Graduate University of the Chinese Academy of Sciences, 19A Yuquanlu, Beijing 100049, China
3.Department of Power Mechanical Engineering, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
4.Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong Shatin, NT, Hong Kong
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GB/T 7714
Liang WF,Wang SE,Dong ZL,et al. Optical Spectrum and Electric Field Waveform Dependent Optically-Induced Dielectrophoretic (ODEP)Micro-Manipulation[J]. Micromachines,2012,3(2):492-508.
APA Liang WF,Wang SE,Dong ZL,Li GB,&Li WJ.(2012).Optical Spectrum and Electric Field Waveform Dependent Optically-Induced Dielectrophoretic (ODEP)Micro-Manipulation.Micromachines,3(2),492-508.
MLA Liang WF,et al."Optical Spectrum and Electric Field Waveform Dependent Optically-Induced Dielectrophoretic (ODEP)Micro-Manipulation".Micromachines 3.2(2012):492-508.
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