MICRODROPLET ELECTROWETTING ACTUATION ON FLEXIBLE PAPER-BASED PLATFORM CHIP

Nurul Amziah Md Yunus; Noor Faezah Ismail; Nasri Sulaiman; Mohd Nazim Mohtar; Desa Ahmad

Authors

Nurul Amziah Md Yunus Department of Electrical and Electronic Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia Author
Noor Faezah Ismail Department of Electrical and Electronic Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Author
Nasri Sulaiman Department of Electrical and Electronic Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Author
Mohd Nazim Mohtar Department of Electrical and Electronic Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Author
Desa Ahmad Department of Biological and Agricultural Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia Author

Keywords:

Microdroplet, Electrowetting, Flexible device, Aluminium electrode, Paper based chip

Abstract

This paper presents the microdroplets electrowetting causing by the voltage actuation on the flexible platform chip. A 5µl of Potassium Chloride (KCl) microdroplet is pipetted on top of two separated electrodes fabricated on this flexible platform chip. The electrode is made of a thin Aluminium (Al) film while the platform substrate is made from the cellulose paper, which is flexible. The voltage is supplied between the two separated planar electrodes to actuate the microdroplet motion. In this experiment, the best point of low voltage to move the microdroplet between the two planar electrodes is 12Vpp where the microdroplet is observed to move far and give higher displacement from its origin under the frequency of 10Hz.

MICRODROPLET ELECTROWETTING ACTUATION ON FLEXIBLE PAPER-BASED PLATFORM CHIP

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