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Proceedings Paper

Optical properties of AlTiO selective transmitting layers for transparent solar cell applications
Author(s): Seung-Yun Lee; So Un Jeong; Ki Su Bang; Jung Wook Lim
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Paper 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.

Paper Details

Date Published: 2 May 2012
PDF: 6 pages
Proc. SPIE 8438, Photonics for Solar Energy Systems IV, 84381P (2 May 2012); doi: 10.1117/12.922162
Show Author Affiliations
Seung-Yun Lee, Hanbat National Univ. (Korea, Republic of)
So Un Jeong, Hanbat National Univ. (Korea, Republic of)
Ki Su Bang, Hanbat National Univ. (Korea, Republic of)
Jung Wook Lim, Electronics and Telecommunications Research Institute (Korea, Republic of)


Published in SPIE Proceedings Vol. 8438:
Photonics for Solar Energy Systems IV
Ralf Wehrspohn; Andreas Gombert, Editor(s)

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