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题名: Non-ultraviolet-based patterning of polymer structures by optically induced electrohydrodynamic instability
作者: Wang FF(王飞飞) ; Yu HB(于海波) ; Liu N(刘娜) ; John D. Mai ; Liu LQ(刘连庆) ; Li GB(李国宾) ; Li WR(李文荣)
作者部门: 机器人学研究室
刊名: APPLIED PHYSICS LETTERS
出版日期: 2013
卷号: 103, 期号:21
收录类别: SCI ; EI
产权排序: 1
摘要: We report here an approach to rapidly construct organized formations of micron-scale pillars from a thin polydimethylsiloxane (PDMS) film by optically induced electrohydrodynamic instability (OEHI). In OEHI, a heterogeneous electric field is induced across two thin fluidic layers by stimulating a photoconductive thin film in a parallel-plate capacitor configuration with visible light. We demonstrated that this OEHI method could control nucleation sites of pillars formed by electrohydrodynamic instability. To investigate this phenomenon, a tangential electric force component is assumed to have arisen from the surface polarization charge and is introduced into the traditional perfect dielectric model for PDMS films. Numerical simulation results showed that this tangential electric force played an important role in OEHI.
语种: 英语
WOS记录号: WOS:000327590400090
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Applied
关键词[WOS]: THIN LIQUID-FILMS ; ELECTRIC-FIELD
研究领域[WOS]: Physics
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/14051
Appears in Collections:机器人学研究室_期刊论文

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