Abstract

Electrode lines were patterned by multiple dispensing and photo-thermal reduction of graphene oxide (GO) solution. GO suspension was ejected via a liquid dispenser due to the hydrophilicity of the GO flakes. The liquid dispenser used a multiple dispensing patterning method that dispensed 0.3 nL droplets ten times for a total of 3 nL GO solution. Although single dispensed GO patterned 230 μm diameter droplet with 3 nL solution multiple dispensed GO was 92 μm diameter because multiple dispensing patterning made GO stack. Hence, multiple dispensing patterning produced GO line electrodes with high resolution and prevented coalescence of GO droplets.

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