2 May 2012 Optical properties of AlTiO selective transmitting layers for transparent solar cell applications
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Abstract
This work reports the formation process and the resulting optical properties of AlTiO selective transmitting layers. The AlTiO layers were deposited by reactive sputtering from Al and Ti targets in oxygen atmosphere. The compositions and thicknesses of the AlTiO layers were controlled by varying deposition parameters, and corresponding changes in transmittance and reflectance were measured. The reflectance decreased and then increased with increasing wavelength, and its minimum depending on the composition and thickness of AlTiO was found at a wavelength ranging from 380 to 750nm. The raised reflectance in the long wavelength regime suggests the possible use of the sputter-deposited AlTiO layers as a selective transmitting layer in high efficient and semitransparent Si thin film solar cells.
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Seung-Yun Lee, Seung-Yun Lee, So Un Jeong, So Un Jeong, Ki Su Bang, Ki Su Bang, Jung Wook Lim, Jung Wook Lim, } "Optical properties of AlTiO selective transmitting layers for transparent solar cell applications", Proc. SPIE 8438, Photonics for Solar Energy Systems IV, 84381P (2 May 2012); doi: 10.1117/12.922162; https://doi.org/10.1117/12.922162
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