Modulated surface textures for enhanced light trapping in thin-film silicon solar cells

Isabella, O.; Krc, J; Zeman, M.

Modulated surface textures for enhanced light trapping in thin-film silicon solar cells

Journal article (2010)

Authors

O. Isabella Photovoltaic Materials and Devices -

J Krc Electrical Power Processing

M. Zeman Photovoltaic Materials and Devices -

Research Group

Photovoltaic Materials and Devices () (TU Delft)

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http://resolver.tudelft.nl/uuid:5ab994bc-66de-4bdd-b8e5-7ed1b68d5b0c

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Published Date

2010

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

Photovoltaic Materials and Devices

Abstract

Substrates with a modulated surface texture were prepared by combining different interface morphologies. The spatial frequency surface representation method is used to evaluate the surface modulation. When combining morphologies with appropriate geometrical features, substrates exhibit an increased scattering level in a broad wavelength region. We demonstrate that the improved scattering properties result from a superposition of different light scattering mechanisms caused by the different geometrical features integrated in a modulated surface texture.