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题名: Exploring pulse-voltage-triggered optically induced electrohydrodynamic instability for femtolitre droplet generation
作者: Wang FF(王飞飞) ; Fei, Fei ; Liu LQ(刘连庆) ; Yu HB(于海波) ; Yu P(于鹏) ; Wang YC(王越超) ; Lee, Gwo-Bin ; Li WR(李文荣)
作者部门: 机器人学研究室
刊名: APPLIED PHYSICS LETTERS
ISSN号: 0003-6951
出版日期: 2014
卷号: 104, 期号:26
收录类别: SCI ; EI
产权排序: 1
摘要: We present a multipoint "virtual dispenser" to draw femtolitre droplets from a dielectric fluidic thin film using pulse-voltage-triggered optically induced electrohydrodynamic instability (PVT-OEHI). The "virtual dispenser" generates instability nucleation sites by controlling the optically induced lateral electrical stress and thermocapillary flow inside an optoelectronics chip. A time scale analysis shows that the electrohydrodynamic (EHD) instability phenomenon is present; however, its external manifestation is suppressed by OEHI. We observed two droplet dispensing mechanisms which correspond to different EHD states: Taylor cone formation and optically induced EHD jet. The EHD states transition could be realized by adjusting the pulse voltage parameters to alter the morphology of dispensed micron-scale polymer droplets, which could then be formed into organized arrays of microlenses with controllable diameter and curvature based on surface tension effect.
语种: 英语
WOS记录号: WOS:000339114100079
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Applied
关键词[WOS]: DIELECTRIC LIQUIDS ; ELECTRIC-FIELD ; STABILITY ; BEHAVIOR ; JETS
研究领域[WOS]: Physics
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/15260
Appears in Collections:机器人学研究室_期刊论文

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王飞飞; Fei, Fei; 刘连庆; 于海波; 于鹏; 王越超; Lee, Gwo-Bin; 李文荣.Exploring pulse-voltage-triggered optically induced electrohydrodynamic instability for femtolitre droplet generation,APPLIED PHYSICS LETTERS,2014,104(26):
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文件名: Exploring pulse-voltage-triggered optically induced electrohydrodynamic instability for femtolitre droplet generation.pdf
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