Structural and optical characterizations of porous anodic alumina–aluminum nanocomposite films on borofloat substrates

Hande C. Arslan; Ibrahim Yusufoglu; Mustafa M. Aslan

doi:10.1117/1.OE.53.7.071822

20 March 2014 Structural and optical characterizations of porous anodic alumina–aluminum nanocomposite films on borofloat substrates

Hande C. Arslan, Ibrahim Yusufoglu, Mustafa M. Aslan

Author Affiliations +

Funded by: EU 7th FP’s Marie Curie action, FP7-PEOPLE-RG, Scientific and Technological Research Council of Turkey TUBITAK’s support for COST MP0901 action

Optical Engineering, Vol. 53, Issue 7, 071822 (March 2014). https://doi.org/10.1117/1.OE.53.7.071822

Abstract

Structural and optical properties of the porous anodic alumina (PAA)–aluminum (Al) nanocomposite and the PAA-nanostructured films on borofloat substrates are studied. The films are fabricated by the anodization of 170- to 200- and 295- to 330-nm-thick Al sputtered onto the borofloat. The anodization process is stopped at different times in order to form the PAA–Al nanocomposite films with different layer thicknesses. Then, the pore widening is applied to 189- to 210- and 430- to 495-nm-thick PAA films in 5- and 10-min intervals, respectively. The structural properties of the films are characterized by a scanning electron microscopy. The nanocomposite films are also characterized optically by total reflection and directional transmission measurements in the wavelength range between 250 and 800 nm. Our results indicate that controlling the thicknesses of both Al and the PAA layers by anodization time and the morphology of the nanostructures by chemical etching duration in the PAA layer provides unique PAA–Al nanocomposite films with desired optical properties.

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Hande C. Arslan, Ibrahim Yusufoglu, and Mustafa M. Aslan "Structural and optical characterizations of porous anodic alumina–aluminum nanocomposite films on borofloat substrates," Optical Engineering 53(7), 071822 (20 March 2014). https://doi.org/10.1117/1.OE.53.7.071822

Published: 20 March 2014

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