Results 141 to 150 of about 1,251,511 (199)
Japanese Journal of Applied Physics, 2011 During anodic oxidation of aluminum, the incorporated anion species from the electrolyte are drawn into the growing barrier layer at the pore base by the high electric field and, afterward, migrate inward. The barrier layer consists of acid anion-contaminated regions adjacent to the oxide/electrolyte interface and relatively pure alumina further ...
Cheng-Yao Chang, Gou-Jen Wang
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Fabricating Anodic Aluminum Oxide by Anodic-Oxidation
Advanced Materials Research, 2011 Uniform parallel pores and controllable pore diameter make Anodic Aluminum Oxide (AAO) membrane one of the best materials in synthesis of one-dimensional nano-structured material. High orderly AAO template was prepared by anodic-oxidation. The prepared AAO membrane’s apertures ranged from 30 nm to 75 nm.
Ji Yan He, Jian Dan Ren, Yan Bin He
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Birefringence in porous anodic aluminum oxide
Optics and Spectroscopy, 2004 Birefringence properties of a disordered two-dimensional photonic crystal are demonstrated experimentally for the first time. It is proposed to use porous anodic aluminum oxide, which has anisotropy on the scale of the wavelength of light, as a new birefringent material in the optical range.
Lyutich, A. A. +2 more
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A Hierarchical Anodic Aluminum Oxide Template
Nano Letters, 2020Anodic aluminum oxide (AAO) templates are widely used for the development of various functional nanomaterials due to their highly ordered and tunable porous structures. Here, we report a new hierarchical AAO (hAAO) template with the hexagonally ordered unit cells and the radially distributed nanochannels.
Youdi Hu +5 more
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Structure of Anodic Oxide Coatings on Aluminum
Angewandte Chemie, 1989Communication: The structure of the remarkably uniform array of pores in surface coatings on aluminum has been investigated using X‐ray and neutron diffraction techniques. The almost hexagonally shaped cells make the films of interest for application in the field of synthetic membranes and as supports for active materials.
Kniep, R., Lamparter, P., Steep, S.
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Conformal Anodic Oxidation of Aluminum Thin Films
Nano Letters, 2005Membrane-based synthesis, also called template synthesis, is a very general approach used to prepare arrays of nanomaterials with monodispersed geometrical features. The most commonly used porous templates are track-etched polycarbonate and porous anodic alumina membranes.
Cojocaru, C. S. +7 more
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Formation of Anodic Aluminum Oxide with Serrated Nanochannels
Nano Letters, 2010We report a simple and robust method to self-assemble porous anodic aluminum oxide membranes with serrated nanochannels by anodizing in phosphoric acid solution. Due to high field conduction and anionic incorporation, an increase of anodizing voltage leads to an increase of the impurity levels and also the field strength across barrier layer.
Dongdong, Li +3 more
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Surface Wettability of Macroporous Anodized Aluminum Oxide
ACS Applied Materials & Interfaces, 2013The correlation between the structural characteristics and the wetting of anodized aluminum oxide (AAO) surfaces with large pore sizes (>100 nm) is discussed. The roughness-induced wettability is systematically examined for oxide films grown by a two-step, high-field anodization in phosphoric acid of three different concentrations using a commercial ...
Josephus G. Buijnsters +3 more
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Electroluminescence of Anodic Aluminum Oxide in Ketones
Optics and Spectroscopy, 2020The possibility of electroluminescence emission of an aluminum oxide film (formed by electrolysis oxidation in distilled water) in ketones and related compounds containing carbonyl groups is demonstrated. It is established that this process for acetone, cyclohexanone, methyl pyrrolidone, acetylacetone, 4-ethylpropiophenone, and 4-methoxypropiophenone ...
D. S. Ovechenko, A. P. Boychenko
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