Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled Anodization
Abstract The fabrication and application of anodic aluminum oxide (AAO) membranes with tailored nanopore geometries have profound implications in materials science and engineering. This study introduces a refined physical stretching method combined with precisely controlled anodization conditions to...
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2025-03-01
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| Series: | Advanced Materials Interfaces |
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| Online Access: | https://doi.org/10.1002/admi.202400699 |
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| author | Yu‐Chun Liu Yi‐Fan Chen Yu‐Chun Lin You‐Hao Zheng Lin‐Ruei Lee Ming‐Hsuan Chang Jhih‐Hao Ho Yu‐Liang Lin Jiun‐Tai Chen |
| author_facet | Yu‐Chun Liu Yi‐Fan Chen Yu‐Chun Lin You‐Hao Zheng Lin‐Ruei Lee Ming‐Hsuan Chang Jhih‐Hao Ho Yu‐Liang Lin Jiun‐Tai Chen |
| author_sort | Yu‐Chun Liu |
| collection | DOAJ |
| description | Abstract The fabrication and application of anodic aluminum oxide (AAO) membranes with tailored nanopore geometries have profound implications in materials science and engineering. This study introduces a refined physical stretching method combined with precisely controlled anodization conditions to manipulate the anisotropy of nanopores in AAO membranes. By employing high‐purity aluminum sheets and varying electrolytes such as sulfuric acid, oxalic acid, and phosphoric acid, anisotropic shapes are carried out with aspect ratios varying based on the applied mechanical forces and electrolytic conditions. The capability to produce AAO membranes with non‐uniform pore distributions is also demonstrated by applying irregular stretching forces, revealing the potential for creating customized nanostructures. The anisotropic AAO membranes serve as effective templates for synthesizing polymer nanorods, indicating their utility in guiding the formation of advanced nanomaterials with specific directional properties. Our results showcase the role of mechanical and chemical parameters in tailoring nanoscale material properties. The versatility of horizontally anisotropic AAO membranes in nanofabrication enables better control of nanopore geometry for applications in nanoelectronics, drug delivery, and biosensing. |
| format | Article |
| id | doaj-art-e7a6b952bb3b49e2b7874ebb8b4593a3 |
| institution | DOAJ |
| issn | 2196-7350 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Advanced Materials Interfaces |
| spelling | doaj-art-e7a6b952bb3b49e2b7874ebb8b4593a32025-08-20T02:52:08ZengWiley-VCHAdvanced Materials Interfaces2196-73502025-03-01126n/an/a10.1002/admi.202400699Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled AnodizationYu‐Chun Liu0Yi‐Fan Chen1Yu‐Chun Lin2You‐Hao Zheng3Lin‐Ruei Lee4Ming‐Hsuan Chang5Jhih‐Hao Ho6Yu‐Liang Lin7Jiun‐Tai Chen8Department of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300093 TaiwanDepartment of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300093 TaiwanDepartment of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300093 TaiwanDepartment of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300093 TaiwanDepartment of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300093 TaiwanDepartment of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300093 TaiwanDepartment of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300093 TaiwanDepartment of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300093 TaiwanDepartment of Applied Chemistry National Yang Ming Chiao Tung University Hsinchu 300093 TaiwanAbstract The fabrication and application of anodic aluminum oxide (AAO) membranes with tailored nanopore geometries have profound implications in materials science and engineering. This study introduces a refined physical stretching method combined with precisely controlled anodization conditions to manipulate the anisotropy of nanopores in AAO membranes. By employing high‐purity aluminum sheets and varying electrolytes such as sulfuric acid, oxalic acid, and phosphoric acid, anisotropic shapes are carried out with aspect ratios varying based on the applied mechanical forces and electrolytic conditions. The capability to produce AAO membranes with non‐uniform pore distributions is also demonstrated by applying irregular stretching forces, revealing the potential for creating customized nanostructures. The anisotropic AAO membranes serve as effective templates for synthesizing polymer nanorods, indicating their utility in guiding the formation of advanced nanomaterials with specific directional properties. Our results showcase the role of mechanical and chemical parameters in tailoring nanoscale material properties. The versatility of horizontally anisotropic AAO membranes in nanofabrication enables better control of nanopore geometry for applications in nanoelectronics, drug delivery, and biosensing.https://doi.org/10.1002/admi.202400699anisotropicanodic aluminum oxideanodizationphysical stretching nanorods |
| spellingShingle | Yu‐Chun Liu Yi‐Fan Chen Yu‐Chun Lin You‐Hao Zheng Lin‐Ruei Lee Ming‐Hsuan Chang Jhih‐Hao Ho Yu‐Liang Lin Jiun‐Tai Chen Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled Anodization Advanced Materials Interfaces anisotropic anodic aluminum oxide anodization physical stretching nanorods |
| title | Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled Anodization |
| title_full | Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled Anodization |
| title_fullStr | Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled Anodization |
| title_full_unstemmed | Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled Anodization |
| title_short | Tailoring Nanopore Geometry in Anodic Aluminum Oxide Membranes through Physical Stretching and Controlled Anodization |
| title_sort | tailoring nanopore geometry in anodic aluminum oxide membranes through physical stretching and controlled anodization |
| topic | anisotropic anodic aluminum oxide anodization physical stretching nanorods |
| url | https://doi.org/10.1002/admi.202400699 |
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