Issue published 27 October 2022

Summary

1. Introduction and Background:
   • AAO membranes are created through the anodization of aluminum, forming a highly ordered structure with controllable pore sizes.
   • These membranes have advanced from simple anodization processes to more sophisticated methods, allowing for precise control of geometric parameters, which is crucial for various applications in nanotechnology.
     
2. Formation and Characterization:
   • The document details different anodization processes (hard, mild, pulse, and cyclic anodization) used to produce AAO membranes with varying properties.
   • Characterization of AAO involves analyzing parameters such as pore size, pore density, and mechanical properties, which are essential for determining the suitability of AAO for different applications.
     
     
3. Applications:
   • Template-Assisted Growth of Nanostructures: AAO membranes are used as templates to grow various nanostructures like nanotubes, nanowires, and nanodots, which have applications in electronics, catalysis, and sensing.
   • Filtration: AAO membranes serve in filtration processes across a wide range of industries, from biofiltration to water purification and hemodialysis.
   • Sensors: Due to their unique properties, AAO membranes are employed in developing sensors for gas detection, biosensing, and pressure sensing.
   • Drug Delivery: AAO membranes are explored for controlled drug delivery systems, offering targeted and sustained release of therapeutics.
   • Miscellaneous Fields: The review also touches on the use of AAO membranes in energy harvesting, optical devices, tissue engineering, and advanced computing applications.
     
     
4. Prospects and Challenges:
   • The document highlights the potential for further research in improving AAO membranes’ properties and expanding their applications, particularly in areas like integrated lab-on-chip systems and implantable biosensors.
   • Challenges include the need for better comparison of results across studies and overcoming technical hurdles in scaling up these technologies for industrial use.

The review concludes by encouraging further exploration into AAO membranes’ diverse applications, emphasizing their potential in nanotechnology and biomedical fields.

Read the paper.

Recent Progress of Fabrication, Characterization, and Applications of Anodic Aluminum Oxide (AAO) Membrane: A Review

The progress of membrane technology with the development of membranes with controlled parameters led to porous membranes. These membranes can be formed using different methods and have numerous applications in science and tec… | Find, read and cite all the research you need on Tech Science Press