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We demonstrated a novel electrowetting-on-dielectric (EWOD) device for digital microfluidic using a flexible, transparent, and conducting graphene electrode. We showed that a graphene electrode had a lower leakage current and a higher breakdown voltage compared to a gold electrode when they were under the same dielectric layer such as Teflon. The droplet movement was manipulated on graphene-based...
This paper reports the results of using graphene as a novel electrode material in the experiment of electrowetting on dielectric (EWOD). The device has a Teflon layer coated CVD graphene electrode which is patterned on transparent and flexible substrates such as PET films. By applying a potential difference between a liquid droplet and a graphene electrode, we observed a change in contact angle from...
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