Formation of Through-Hole Porous Anodic Aluminum Oxide Layer Locally with 3D Printed Solution Flow Type Microdroplet Cell

IF 3.1 4区工程技术 Q2 ELECTROCHEMISTRY

Journal of The Electrochemical Society Pub Date : 2024-08-27 DOI:10.1149/1945-7111/ad6fd6

Adane Adugna Ayalew, Xiaole Han, Yoganandan Govindaraj, Masatoshi Sakairi

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Abstract

In this study, a 3D-prinited solution-flow type microdroplet cell (SF-MDC) is employed as a new technique for the fabrication of porous anodic aluminum oxide (AAO) layer using oxalic acid electrolyte on aluminum. The surface morphology of the porous AAO film was characterized by a scanning electron microscope. The aim of this study was to fabricate a through-hole porous alumina layer in a single step anodizing process and to investigate the influence of anodized voltages and scanning speeds on the thickness and pore structure of alumina layer. The results showed that the pore diameter and interpore distance were directly proportional to the anodizing voltage. The thicknesses of formed AAO films were found to be 35.5, 50.7, and 81.6 μm at scanning speeds of 10, 5, and 2.5 μms⁻¹, respectively. Through-hole porous AAO was successfully fabricated at room temperature without chemical etching. The SF-MDC fabrication technique is proposed as an environmentally attractive and suitable process for the fabrication of porous AAO layers.

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利用 3D 打印溶液流式微滴池在局部形成通孔多孔阳极氧化铝层

本研究采用三维引射溶液流型微滴电池（SF-MDC）作为一种新技术，利用草酸电解液在铝上制造多孔阳极氧化铝（AAO）层。扫描电子显微镜对多孔 AAO 膜的表面形态进行了表征。本研究旨在通过一步阳极氧化工艺制作通孔多孔氧化铝层，并研究阳极氧化电压和扫描速度对氧化铝层厚度和孔结构的影响。结果表明，孔径和孔间距与阳极氧化电压成正比。在扫描速度为 10、5 和 2.5 μms-1 时，形成的 AAO 薄膜厚度分别为 35.5、50.7 和 81.6 μm。通孔多孔 AAO 无需化学蚀刻即可在室温下成功制备。SF-MDC制备技术是一种具有环境吸引力且适用于制备多孔 AAO 层的工艺。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of The Electrochemical Society 工程技术-电化学

CiteScore

7.20

自引率

12.80%

发文量

1369

审稿时长

1.5 months

期刊介绍： The Journal of The Electrochemical Society (JES) is the leader in the field of solid-state and electrochemical science and technology. This peer-reviewed journal publishes an average of 450 pages of 70 articles each month. Articles are posted online, with a monthly paper edition following electronic publication. The ECS membership benefits package includes access to the electronic edition of this journal.