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Dye Sensitized Solar Modules with Embedded Silver Lines

Published online by Cambridge University Press:  11 April 2016

Kerem Cagatay Icli  and
Macit Ozenbas
Kerem Cagatay Icli
Affiliation:
Middle East Technical University, Dept. of Micro and Nanotechnology, Ankara, Turkey Center for Solar Energy Research and Applications (GÜNAM), Middle East Technical University, Ankara, Turkey
Macit Ozenbas*
Affiliation:
Middle East Technical University, Metallurgical and Materials Eng. Dept., Ankara, Turkey Center for Solar Energy Research and Applications (GÜNAM), Middle East Technical University, Ankara, Turkey
*
*(Email: ozenbas@metu.edu.tr)
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Abstract

We employed ultrasonic spray deposition method for production of high quality FTO thin film TCOs to be employed in a silver embedded grid type and monolithic type dye sensitized solar modules. Produced films exhibited dense and crystalline structure with homogeneous coverage on solar glass substrates. Obtained resistivity and light transmission values of FTO are comparable to commercially available FTO coated glasses used widely in the industry. After optimization of the chemistry and deposition conditions, 10x10 cm sized glass substrates could be produced for large area photovoltaic modules. Produced FTO films were used to construct monolithic type and parallel type dye sensitized solar modules. Monolithic modules yielded 1.61% active area efficiency value. In order to enhance the active area of the parallel type modules, silver grid lines were embedded in glass substrate and FTO coating was deposited on the lines. Due to this effective design, we achieved 2.42% efficiency on the total area of the 55x55 mm sized module compared to 2.90% active area efficiency, proving that this design is suitable for enhancing efficiency values of parallel type dye sensitized solar modules.

Keywords

spray pyrolysisphotovoltaictransparent conductor
Type
Articles
Information
MRS Advances , Volume 1 , Issue 14: Energy and Sustainability , 2016 , pp. 991 - 996
Copyright
Copyright © Materials Research Society 2016 

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