Optical properties and color generation mechanism of porous anodic alumina films

Xu, Qin; Sun, Hongyu; Yang, Yuhua; Liu, Lihu; Li, Zi-Yue

doi:10.1016/j.apsusc.2011.10.054

Cited by 52 publications

(30 citation statements)

References 17 publications

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“…[17][18][19][20]31] Previous studies have made good use of PA to fabricate NAA-based photonic nanostructures such as rugate filters or distributed Bragg reflectors (DBRs), which are suitable platforms to develop optical sensing systems. [17,21,31,[32][33][34][35][36][37][38][39][40] Nevertheless, the resulting NAA photonic coatings produced under these anodization conditions do not display vivid color unless the underlying aluminum is chemically etched away, due to the intrinsic limitations of NAA (low porosity and low effective refractive index contrasts between nanoporous layers). Furthermore, these studies used high purity aluminum substrates -typically used in nanotechnology to obtain well-organized and defect-free NAA structures, which has different chemical and mechanical properties than those of technical grade aluminum used in industry.…”

Section: Introductionmentioning

confidence: 94%

On The Generation of Interferometric Colors in High Purity and Technical Grade Aluminum: An Alternative Green Process for Metal Finishing Industry

Chen

Santos

et al. 2015

Electrochimica Acta

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Section: Introductionmentioning

confidence: 94%

On The Generation of Interferometric Colors in High Purity and Technical Grade Aluminum: An Alternative Green Process for Metal Finishing Industry

Chen

Santos

et al. 2015

Electrochimica Acta

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“…This structure is observed both for p-AAO obtained with oxalic and with malonic acid electrolytes. Adapted with permission from [24] and in which information about the substrate is taken into account would permit even to know separately the n eff and d. Examples of the application of such concepts are the study of the influence of the substrate in the reflectance and transmittance properties of p-AAO thin films [42,43] or the influence of the barrier layer, what leads to obtain information about its dissolution rate [44]. The optical properties of the p-AAO as an effective medium can also be investigated on the basis of the photoluminescence of the p-AOO thin films, since the F-P cavity is able to produce oscillations in the photoluminescence of the same nature as the observed ones in the reflectance or transmittance spectra [45].…”

Section: Porous Anodic Aluminum Oxide As An Effective Mediummentioning

confidence: 99%

Optical Properties of Nanoporous Anodic Alumina and Derived Applications

et al. 2015

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Inexpensive formation of periodically ordered structures with periodicities and feature sizes lower than 100 nm has triggered a vast amount or research in recent years. Of particular interest in nanotechnology is the nanoporous alumina, which can be produced with a self-organized arrangement of pores in the adequate anodization conditions. Most of the interest of this material is based in its outstanding physical and chemical and properties, and more specifically in its optical properties. The interaction of light with the nanostructured porous alumina gives rise to a wealth of optical properties that have their interest both in research level and also in application. In this work we aim at giving an extensive review of the published research on the optical properties of nanoporous alumina. The review will account for the different studied optical properties of this material such as the existence of a photonic stop band originated from its quasi-random nanostructure, the interferometric and light guiding properties that can be applied to biosensing, the structure nanoengineering to achieve more complex photonic behaviour such as distributed-Bragg reflectors or rugate filters, and the photoluminescence properties. In a second part, a summary of the different applications proposed on the basis of these properties, such as in biotechnology or energy will be given. IntroductionAmong the different features and properties of porous anodic alumina (p-AAO), its optical properties are of special interest and have been the subject of very intensive research. The interaction of light with p-AAO can be analyzed from different points of view: the material interaction, the porous structure interaction or the relation of geometrical features of the nanostructure (periodicity or quasi-periodicity, distance

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“…In addition, it has been reported that they exhibit interesting optical characteristics, especially in the visible regime [9][10][11][12]. For instance, a thin PAA film supported by an Al substrate shows bright iridescent color in visible domain due to the microscopic structure of PAA films [13,14].…”

Section: Introductionmentioning

confidence: 97%

Engineering optical properties of metal/porous anodic alumina films for refractometric sensing

Wang

Qin

et al. 2015

Applied Surface Science

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Optical properties and color generation mechanism of porous anodic alumina films

Cited by 52 publications

References 17 publications

On The Generation of Interferometric Colors in High Purity and Technical Grade Aluminum: An Alternative Green Process for Metal Finishing Industry

On The Generation of Interferometric Colors in High Purity and Technical Grade Aluminum: An Alternative Green Process for Metal Finishing Industry

Optical Properties of Nanoporous Anodic Alumina and Derived Applications

Engineering optical properties of metal/porous anodic alumina films for refractometric sensing

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