Controlling the Color and Effective Refractive Index of Metal-Anodic Aluminum Oxide (AAO)–Al Nanostructures: Morphology of AAO,The Journal of Physical Chemistry C

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Controlling the Color and Effective Refractive Index of Metal-Anodic Aluminum Oxide (AAO)–Al Nanostructures: Morphology of AAO
The Journal of Physical Chemistry C ( IF 3.3 ) Pub Date : 2017-12-21 00:00:00 , DOI: 10.1021/acs.jpcc.7b11131
C. V. Manzano ₁ , D. Ramos ₂ , L. Pethö ₁ , G. Bürki ₁ , J. Michler ₁ , L. Philippe ₁

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Metal-anodic aluminum oxide (AAO)–Al nanostructures have been deposited by using sputtering for the metal layer deposition and a two-step anodization process in different electrolytes to produce self-ordered anodic aluminum oxide films. The effect of the morphological parameters of AAO films (such as thickness, pore diameter, interpore distance, and porosity) on the optical properties was studied. The UV–vis reflectance properties as a function of the thickness for the different electrolytes of metal-AAO–Al films were analyzed in order to obtain the color diagrams and the effective refractive indexes of the films. The effective refractive index was found to depend on the thickness and porosity of AAO films. The change in color observed in metal-AAO–Al nanostructures is due to the thickness and porosity of the AAO films. In order to verify the experimental results, UV–vis reflectance spectra of AAO–Al films were simulated using commercially available finite element simulation software.

中文翻译：

控制金属阳极氧化铝（AAO）-Al纳米结构的颜色和有效折射率：AAO的形态

金属阳极氧化铝（AAO）–Al纳米结构已通过使用溅射法在不同的电解质中进行金属层沉积和两步阳极氧化工艺来沉积，以产生自定序的阳极氧化铝膜。研究了AAO薄膜的形貌参数（如厚度，孔径，孔间距离和孔隙率）对光学性能的影响。分析了金属-AAO-Al膜的不同电解质的UV-vis反射特性与厚度的关系，以获得膜的颜色图和有效折射率。发现有效折射率取决于AAO膜的厚度和孔隙率。在金属AAO-Al纳米结构中观察到的颜色变化是由于AAO膜的厚度和孔隙率所致。

更新日期：2017-12-21

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