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Proceedings Paper

Photoluminescence properties of anodic alumina for application in optical sensors using SERS
Author(s): I. V. Gasenkova; N. I. Mukhurov; S. P. Zhvavyi
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Paper Abstract

The results of optical properties study of porous aluminum oxide films, fabricated by anodizing in a water solution of a sulfuric acid and modified by thermal annealing on air at temperature T≥800°C are reported. On the basis of the comparative analysis of the received data it is shown that a photoluminescence in near UV and visible regions for aluminum oxide anodized in a sulfuric acid solution originates from the divacancies of oxygen (F2, F+2 and F2+2 centers) and sulfates - ions do not render essential influence on luminescent properties AOA in researched spectral area. For samples annealed at T = 1300 °C, intensive narrow strips determined *see abstract on paper* by the radiative transitions (2E → 4A2) in ions of Mn4+ (678 nm) and Cr3+ (694 nm), replacing ions of Al3+ in octahedral positions of α-Al2O3

Paper Details

Date Published: 9 May 2011
PDF: 8 pages
Proc. SPIE 8073, Optical Sensors 2011; and Photonic Crystal Fibers V, 807328 (9 May 2011); doi: 10.1117/12.886464
Show Author Affiliations
I. V. Gasenkova, B.I. Stepanov Institute of Physics (Belarus)
N. I. Mukhurov, B.I. Stepanov Institute of Physics (Belarus)
S. P. Zhvavyi, B.I. Stepanov Institute of Physics (Belarus)

Published in SPIE Proceedings Vol. 8073:
Optical Sensors 2011; and Photonic Crystal Fibers V
Kyriacos Kalli; Francesco Baldini; Jiri Homola; Robert A. Lieberman, Editor(s)

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