Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/88824
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Type: Journal article
Title: Structural tuning of photoluminescence in nanoporous anodic alumina by hard anodization in oxalic and malonic acids
Author: Santos, A.
Alba, M.
Rahman, M.
Formentín, P.
Ferré-Borrull, J.
Pallarès, J.
Marsal, L.
Citation: Nanoscale Research Letters, 2012; 7(1):228-1-228-11
Publisher: Springer-Verlag
Issue Date: 2012
ISSN: 1931-7573
1556-276X
Statement of
Responsibility: 
Abel Santos, Maria Alba, Mahbubur M Rahman, Pilar Formentín, Josep Ferré-Borrull, Josep Pallarès, Lluis F Marsal
Abstract: We report on an exhaustive and systematic study about the photoluminescent properties of nanoporous anodic alumina membranes fabricated by the one-step anodization process under hard conditions in oxalic and malonic acids. This optical property is analysed as a function of several parameters (i.e. hard anodization voltage, pore diameter, membrane thickness, annealing temperature and acid electrolyte). This analysis makes it possible to tune the photoluminescent behaviour at will simply by modifying the structural characteristics of these membranes. This structural tuning ability is of special interest in such fields as optoelectronics, in which an accurate design of the basic nanostructures (e.g. microcavities, resonators, filters, supports, etc.) yields the control over their optical properties and, thus, upon the performance of the nanodevices derived from them (biosensors, interferometers, selective filters, etc.).
Keywords: Photoluminescence
Hard anodization
Porous alumina
Pore widening
Heat treatment
Geometric characteristics
Rights: © 2012 Santos et al,; licensee Springer. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
DOI: 10.1186/1556-276X-7-228
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Chemical Engineering publications

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