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阳极氧化电压对纳米多孔阳极氧化铝孔径扩大速率的影响。

Effect of the anodization voltage on the pore-widening rate of nanoporous anodic alumina.

作者信息

Rahman Mohammad Mahbubur, Garcia-Caurel Enric, Santos Abel, Marsal Lluis F, Pallarès Josep, Ferré-Borrull Josep

机构信息

LPICM, Ecole Polytechnique, CNRS, Palaiseau, 91128, France.

出版信息

Nanoscale Res Lett. 2012 Aug 23;7(1):474. doi: 10.1186/1556-276X-7-474.

DOI:10.1186/1556-276X-7-474
PMID:22916731
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3460793/
Abstract

A detailed study of the pore-widening rate of nanoporous anodic alumina layers as a function of the anodization voltage was carried out. The study focuses on samples produced under the same electrolyte and concentration but different anodization voltages within the self-ordering regime. By means of ellipsometry-based optical characterization, it is shown that in the pore-widening process, the porosity increases at a faster rate for lower anodization voltages. This opens the possibility of obtaining three-dimensional nanostructured nanoporous anodic alumina with controlled thickness and refractive index of each layer, and with a refractive index difference of up to 0.24 between layers, for samples produced with oxalic acid electrolytes.

摘要

对纳米多孔阳极氧化铝层的孔径扩大速率作为阳极氧化电压的函数进行了详细研究。该研究聚焦于在相同电解质和浓度下，但在自有序区域内具有不同阳极氧化电压所制备的样品。通过基于椭偏仪的光学表征表明，在孔径扩大过程中，较低阳极氧化电压下孔隙率增加得更快。这为使用草酸电解质制备的样品提供了获得具有可控各层厚度和折射率、且层间折射率差高达0.24的三维纳米结构纳米多孔阳极氧化铝的可能性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f494/3460793/1f35e754a429/1556-276X-7-474-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f494/3460793/c4eddf2b1bd6/1556-276X-7-474-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f494/3460793/9d9b4f745b01/1556-276X-7-474-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f494/3460793/c57dd04289fd/1556-276X-7-474-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f494/3460793/1f35e754a429/1556-276X-7-474-4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f494/3460793/c4eddf2b1bd6/1556-276X-7-474-1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f494/3460793/9d9b4f745b01/1556-276X-7-474-2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f494/3460793/c57dd04289fd/1556-276X-7-474-3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f494/3460793/1f35e754a429/1556-276X-7-474-4.jpg

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本文引用的文献

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Structural engineering of nanoporous anodic aluminium oxide by pulse anodization of aluminium.
纳米多孔阳极氧化铝制备及光学性质的最新进展
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