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Effect of Laser Wavelength on AZO Surface Texturing by Direct Laser Processing / Patterning for Thin-Film Silicon Solar Cells Applications

Published online by Cambridge University Press:  09 January 2018

Zeynep Demircioglu ,
Hisham Nasser ,
Robert S. Balog  and
Rasit Turan
Zeynep Demircioglu*
Affiliation:
Department of Physics, Middle East Technical University, Dumlupınar Blvd. No: 1, 06800Ankara, Turkey. TÜBİTAK UZAY-Space Technologies Research Institute, ODTÜ Yerleskesi, 06531, Ankara, Turkey The Center for Solar Energy Research and Applications (GÜNAM), Middle East Technical University, Dumlupınar Blvd. No: 1, 06800Ankara, Turkey.
Hisham Nasser
Affiliation:
The Center for Solar Energy Research and Applications (GÜNAM), Middle East Technical University, Dumlupınar Blvd. No: 1, 06800Ankara, Turkey.
Robert S. Balog
Affiliation:
Department of Electrical and Computer Engineering, Texas A&M University at Qatar, Doha, Qatar
Rasit Turan
Affiliation:
Department of Physics, Middle East Technical University, Dumlupınar Blvd. No: 1, 06800Ankara, Turkey. The Center for Solar Energy Research and Applications (GÜNAM), Middle East Technical University, Dumlupınar Blvd. No: 1, 06800Ankara, Turkey.
*
*(Email: zturksen@gmail.com)
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Abstract

Surface texturing of transparent conductive oxides is crucial to improve the fraction of incident light trapped in the absorber layer of thin film silicon based solar cells to improve the device performance. In this work, we fabricate and compare periodic, overlapping, and random surface textures and patterns on aluminium doped zinc oxide (AZO) using direct laser processing. The effects of the used laser wavelength, laser operating frequency, and pulse periodicity on the structural, morphological, and optical response of the AZO films were investigated. By optimizing the laser parameters and the associated process conditions, a drastic increase up to 60% in the transmittance haze over the entire solar was achieved.

Keywords

laser ablationtexturethin film
Type
Articles
Information
MRS Advances , Volume 3 , Issue 25: Energy and Sustainability , 2018 , pp. 1411 - 1418
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Copyright
Copyright © Materials Research Society 2018 

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