2020
DOI: 10.1149/1945-7111/ab8877
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Fast Fabrication of Localized Porous Alumina Patterns with 3D Printed Microdroplet Cell

Abstract: A multicapillary 3D printed solution flow type microdroplet cell (Sf-MDC) is proposed for high-throughput local anodizing. The optimally designed 3D printed Sf-MDC offers low resin consumption, shorter fabrication time and increased throughput. The Sf-MDC consists of three solution inlets separately connected with inner capillaries, a common solution outlet for removing the excess solution from outer capillaries and a two-electrode system with a common Pt counter electrode. Three major acidic electrolytes, i.e… Show more

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Cited by 10 publications
(9 citation statements)
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“…The dual electrolyte flow channels increase the rate of oxide formation which reduces the time needed for anodizing multiple areas. A common counter electrode, single inlet and outlet supplies for both the capillaries eliminates the need of additional power supplies and pumps and save cost unlike previous designs [32] , [34] .…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The dual electrolyte flow channels increase the rate of oxide formation which reduces the time needed for anodizing multiple areas. A common counter electrode, single inlet and outlet supplies for both the capillaries eliminates the need of additional power supplies and pumps and save cost unlike previous designs [32] , [34] .…”
Section: Methodsmentioning
confidence: 99%
“…Fabrication of droplet cells using 3D printing is time saving and cost-effective because multiple cells can be printed at once with minimum usage of polymer resin. A few studies are available on the fabrication of 3D printed scanning droplet cells [20] , [32] , [33] and solution flow type microdroplet cell [34] for area selective anodizing. However, 3D printed scanning droplet cells used gaskets which restricted the movement of droplet during anodizing.…”
Section: Introductionmentioning
confidence: 99%
“…115 One more thing needs to be considered about the nonlinear relationship between the applied potential and the measured current, which means there is no guarantee that the current will respond to the applied sinusoidal potential. 44 Aside from corrosion research, the MCC technique has also been successfully applied to investigate other interesting aspects, such as electrodeposition of pure metal (e.g., Cu 116−118 and Ni 119,120 ), surface modification, 121 electrochemical machining, 122−125 electrocatalyst materials screening, 70,75,126−128 localized anodizing, 129,130 and thin-film properties characterization. 53,131,132 Furthermore, a multiparallel microcell 120 and devices with an automatic test function 70,131,133 have been developed to achieve high-throughput localized electrochemical characterization, opening a new paradigm of electrochemical analysis.…”
Section: ■ Microcapillary Cell Techniquementioning
confidence: 99%
“…Aside from corrosion research, the MCC technique has also been successfully applied to investigate other interesting aspects, such as electrodeposition of pure metal (e.g., Cu and Ni , ), surface modification, electrochemical machining, electrocatalyst materials screening, ,, localized anodizing, , and thin-film properties characterization. ,, Furthermore, a multiparallel microcell and devices with an automatic test function ,, have been developed to achieve high-throughput localized electrochemical characterization, opening a new paradigm of electrochemical analysis.…”
Section: Microcapillary Cell Techniquementioning
confidence: 99%
“…Problems such as capillary clogging due to small diameter and the need to replace the cell after several hours of usage require fabrication of new cells which consumes time. A single-step method to simultaneously fabricate electrochemical droplet cells with multiple capillaries for high-throughput electrodeposition would be important for a broad range of patterning applications [38].…”
Section: Introductionmentioning
confidence: 99%