Opto-Electronic Engineering, Volume. 36, Issue 4, 146(2009)

Properties of Electrowetting-on-dielectric on the Conductive Silicone Rubber Electrode Substrate

LIANG Zhong-cheng*, LI Jing, XIN Heng-jie, YANG Peng, CHEN Tao, and ZHAO Rui
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    The properties of Electrowetting–on–dielectric (EWOD) on the core-surface of optofluidic lens-array with specific “conductive silicon rubber /insulation film” material are one of the important research topics in optofluidics. In this work, the effect of insulation thickness and relative dielectric constant of insulating layer on the contact angle of conductive droplets were analyzed in detail. Then, the characteristics of electrowetting–on–dielectric with different insulating layer materials were also tested. The experimental results show that contact angle increases as the voltage increases. The contact angle varies inversely when changing the thickness of the insulating layer. At a given thickness, it was also observed that the dielectric constant of conductive silicon rubber is of better performance than Parylene. These conclusions are valuable in the field of the design and development of new types of optofluidic zoom lens array devices.

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    LIANG Zhong-cheng, LI Jing, XIN Heng-jie, YANG Peng, CHEN Tao, ZHAO Rui. Properties of Electrowetting-on-dielectric on the Conductive Silicone Rubber Electrode Substrate[J]. Opto-Electronic Engineering, 2009, 36(4): 146

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    Paper Information

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    Received: Oct. 17, 2008

    Accepted: --

    Published Online: Oct. 9, 2009

    The Author Email: Zhong-cheng LIANG (zcliang@njupt.edu.cn)

    DOI:

    CSTR:32186.14.

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