期刊
NANOTECHNOLOGY
卷 32, 期 22, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1361-6528/abe25f
关键词
anodic aluminum oxide (AAO); self-ordering anodization; biosensors; photonic crystals; template; desalination; capacitor
资金
- National Natural Science Foundation of China (NSFC) [51702274, 11647062]
- China Postdoctoral Science Foundation [2017M622591]
- Provincial Natural Science Foundation of Hunan in China [2017JJ3288]
- Scientific Research Project of the Education Department of Hunan Province in China [16C1528]
This review explores the relationship between the properties of nanoporous anodic aluminum oxide (AAO) and their fabrication conditions, emphasizing how control over fabrication parameters such as electrolyte, voltage, anodizing time impacts characteristics like pore diameter and wall thickness. It also discusses the potential applications of AAO in various fields and the importance of utilizing different manufacturing technologies to achieve specific array arrangements and functions in AAO structures.
Due to the unique optical and electrochemical properties, large surface area, tunable properties, and high thermal stability, nanoporous anodic aluminum oxide (AAO) has become one of the most popular materials with a large potential to develop emerging applications in numerous areas, including biosensors, desalination, high-risk pollutants detection, capacitors, solar cell devices, photonic crystals, template-assisted fabrication of nanostructures, and so on. This review covers the mechanism of AAO formation, manufacturing technology, the relationship between the properties of AAO and fabrication conditions, and applications of AAO. Properties of AAO, like pore diameter, interpore distance, wall thickness, and anodized aluminum layer thickness, can be fully controlled by fabrication conditions, including electrolyte, applied voltage, anodizing and widening time. Generally speaking, the pore diameter of AAO will affect its specific application to a large extent. Moreover, manufacturing technology like one/two/multi step anodization, nanoimprint lithography anodization, and pulse/cyclic anodization also have a major impact on overall array arrangement. The review aims to provide a perspective overview of the relationship between applications and their corresponding AAO pore sizes, systematically. And the review also focuses on the strategies by which the structures and functions of AAO can be utilized.
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