Journal
OPTIK
Volume 119, Issue 3, Pages 134-138Publisher
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.ijleo.2006.06.016
Keywords
film optics; Ag/Al2O3; AAM; optical property; micro-structure; annealing time
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Ag/Al2O3 nano-array composite structures were obtained by alternating current (AC) electrodeposition of Ag into the pores of anodic alumina membrane (AAM). The ordered wire-grid structure of Ag nanowires formed along a preferential direction, typically 20 nm in diameter, was fabricated. XRD revealed that Ag2O is also preserved in the pores of AAM. Optical properties of Ag/Al2O3 prepared at different annealing temperatures were measured by using spectrometer. Transmission spectra indicate that the transmittance of Ag/Al2O3 increases obviously with the increasing of annealing temperature. Polarization spectra indicate that Ag/Al2O3 has good polarization in the range of 900-2000 nm, and the extinction ratio increases with the increasing of the annealing temperature or incident angle. (C) 2006 Elsevier GmbH. All rights reserved.
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