Surface Anodization
Surface Anodization - Related Videos
02:03
Enrichment of Anode-Respiring Bacteria Using an On-Site Electrochemical System
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2025
Source: Okamoto, A., et al. Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site. J. Vis. Exp. (2018)This video demonstrates the use of an on-site electrochemical system to enrich anode-respiring bacteria (ARB) from natural reservoirs. A redox gradient is established by placing the anode in oxygen-free deep water and the cathode in oxygen-rich surface water. ARB form biofilms and transfer electrons to the anode, which flows to the cathode, where oxygen is reduced,...
10:27
Simultaneous Multi-surface Anodizations and Stair-like Reverse Biases Detachment of Anodic Aluminum Oxides in Sulfuric and Oxalic Acid Electrolyte
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Cited by 2 •
2017
A protocol for fabricating nanoporous anodic aluminum oxides via simultaneous multi-surfaces anodization followed by stair-like reverse biases detachments is presented. It can be applied repeatedly to the same aluminum substrate, exhibiting a facile, high-yield, and environmentally clean strategy.
12:32
The Effect of Anodization Parameters on the Aluminum Oxide Dielectric Layer of Thin-Film Transistors
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2020
Anodization parameters for growth of the aluminum-oxide dielectric layer of zinc-oxide thin-film transistors (TFTs) are varied to determine the effects on the electrical parameter responses. Analysis of variance (ANOVA) is applied to a Plackett-Burman design of experiments (DOE) to determine the manufacturing conditions that result in optimized device performance.
05:29
Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site
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Cited by 1 •
2018
On-site microbial enrichment or in situ cultivation techniques can facilitate the isolation of difficult-to-culture microbial taxa, especially from low-biomass or geochemically extreme environments. Here, we describe an electrochemical set-up without using an external power source to enrich microbial strains that are capable of extracellular electron transport (EET).
09:20
A Method to Manipulate Surface Tension of a Liquid Metal via Surface Oxidation and Reduction
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Cited by 12 •
2016
We present a method to control the interfacial energy of a liquid metal in an electrolyte via electrochemical deposition (or removal) of a surface oxide layer. This simple method can control the capillary behavior of gallium-based liquid metals by tuning the interfacial energy rapidly, significantly, and reversibly using modest voltages.
FAQs
The metal must serve as the anode because the applied voltage drives oxidation at its surface within an electrolytic cell. This arrangement converts electrical input into controlled oxide growth rather than merely depositing a coating from outside the metal. The resulting layer can be engineered through operating conditions to tune surface behavior.
Each operating variable can alter the oxide layer in a different way. Electrolyte composition, current or voltage, temperature, and treatment time collectively influence coating thickness, structure, and porosity. Controlling these conditions allows researchers to tailor the surface for protection, appearance, wear performance, or adhesion rather than obtaining one fixed finish.
Coating porosity is not simply a structural detail; it is one of the features that can be controlled during treatment. Along with thickness and structure, porosity helps characterize the resulting oxide layer and can support dye incorporation. Examining these features lets researchers connect processing conditions with the appearance and interface behavior of the treated metal.
Surface anodization is especially useful in chemistry and materials research because it provides a tunable way to engineer metal interfaces. By varying treatment conditions, investigators can study how oxide formation changes the outer surface while evaluating corrosion resistance, hardness, appearance, wear performance, and adhesion. This links electrochemical processing with controlled interface design.
A basic treatment begins by placing the selected metal as the anode in an electrolytic cell containing an electrolyte. Researchers then apply a controlled voltage or current for a chosen time while managing temperature and electrolyte composition. These settings determine the oxide coating’s thickness, structure, and porosity, which in turn affect the treated surface.
Material choice depends on the intended surface outcome. Aluminum, titanium, and magnesium are identified as common substrates, and the treatment can provide protective finishes, dye incorporation, improved wear performance, or enhanced adhesion. In practical and research settings, the method is relevant to corrosion-resistant or visually modified surfaces and to experiments focused on engineered metal interfaces.