Analysis of augmented droplet transport during electrowetting over triangular coplanar electrode array

Materials and Manufacturing Methods for EWOD Devices: Current Status and Sustainability Challenges

“…Basu et al used thermal vapor deposition to build aluminum electrodes. [66] These methods allow precise and high-resolution electrodes; however, the equipment is normally placed in environment controlled clean rooms, not always available for all designers.…”

“…[66] Even [55] Copyright 2017, Elsevier. [66] Copyright 2020, Elsevier. though this geometry is not as efficient as Wang design, in terms of force generated, it allows a bidirectional droplet movement.…”

“…Figure 9 shows the Basu et al triangular electrode design. [66] Even [55] Copyright 2017, Elsevier. [66] Copyright 2020, Elsevier.…”

“…[92] Authors have tested alternatives to decrease the thickness, Clement SU-8 3 4 μm 0-350 V DC Ciou et al [78] SU-8 3 15 μm 0-100 V DC Wang et al [79] Si 3 N 4 7.2 35 μm 70 V DC Torabina et al [80] AZ 1500 photoresist 4.03 5 μm 14,8 V DC Li et al [81] SU-8 3 500 nm 220 V AC Chao et al [82] Cyanoethyl pullulan 18 6 μm 100 V DC Yu et al [83] PDMS 2.35 2 μm 160-360 V DC Bansal et al [84] PDMS 2.35 500 nm 275 V DC Jain et al [56] Ion gel 12 N/A 0-80 V DC Narasimhan et al [21] SU-8 3 4 μm 0-350 V DC Ciou et al [85] SU-8 3 15 μm 0-100 V DC Wang et al [86] PDMS 2.35 8 μm 0-250 V DC Li et al [87] SU-8 3 10 μm 200 V AC Nahar et al [17] Cellulose triacetate/PLGA 6 1.8 μm 110 V DC Kojima et al [82] PDMS 2.35 N/A 1500-5000 V DC Chen et al [88] Cellulose triacetate/PLGA 3 6 μm 40-100 V DC Zhand et al [89] Ion gel 3 5 μm 150 V AC Clement et al [53] SU-8 3.8 2 μm 1 3 0 V A C Y i e t l . [77] SU-8 3 2.5 μm 0-100 V DC Chae et al [73] SU-8 3 2 μm 10-100 V DC Chen et al [76] SU-8 3 N/A 100 V DC Huang et al [90] HN-008N 3 500 nm 175 V DC Yang et al [91] PDMS + graphene oxide 3.2 15 μm 100 V DC Basu et al [66] et al used the same ionic gel and reduced the thickness of the dielectric layer to 500 nm using dip-coating techniques. [92] Recently, new material deposition technologies have appeared such as ink-jet printing.…”

“…Figure 9. Experimental images of the triangular electrode design by Basu et al Reproduced with permission [66]. Copyright 2020, Elsevier.…”