Effect of pulsing current on ZnO thin films microstructure synthesized by anodization

Khanlarian, Misagh; Heshmat, Mohammad; Rashchi, Fereshteh; Ravanbakhsh, Arsalan

doi:10.1063/1.5018979

Cited by 1 publication

(1 citation statement)

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“…Sreekantan et al., fabricated complex zinc oxide structures in 1 M to 6 M NaOH electrolytes. Crystalline zinc oxide in rod and plate like structure was otherwise observed when zinc nitrate was added to the electrolyte as zinc species [80] or ammonium chloride [75,81] . In the case of potentiostatic anodization, the growth mechanism is controlled by the formation of a nanoscale passivation layer (as is also known for aluminum anodization) on which the zinc oxide nanorods are subsequently grown by field diffusion in a “bottom‐up” process [80]…”

Section: Influence Of Electrolytementioning

confidence: 99%

Zinc Anodizing: Structural Diversity of Anodic Zinc Oxide Controlled by the Type of Electrolyte

et al. 2021

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Anodic zinc oxide (AZO) layers are attracting interdisciplinary research interest. Chemists, physicists and materials scientists are increasingly devoting attention to fundamental and application‐related research on these layers. Research work focuses on the application as semiconductor, corrosion protector, adhesion promoter, abrasion protector, or antibacterial surfaces. The structure and crystallinity essentially determine the properties of the AZO coatings. The type and concentration of the electrolyte, the applied current density or voltage as well as the duration time enable layer structures of structural variety. The article gives an overview of the different possibilities of anodic treatment, whereby the voltage and the current type are the main distinguishing criteria. Presented is the electrolytic oxidation (anodizing) and the electrolytic plasma oxidation (EPO). The electrolytic etching is also a process of anodic treatment. However, it does not produce AZO layers, but rather a degradation of the zinc layer. The review article shows the parameters used so far (electrolyte, current type, current density, voltage) and points out the influence on the formation of AZO structures in dependency to the used electrolyte.

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Section: Influence Of Electrolytementioning

confidence: 99%