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Adv Mater. 2012 Feb 14;24(7):906-10.

Efficiency enhancement of organic solar cells by fabricating periodic surface textures using direct laser interference patterning.

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  • 1Dresdner Innovationszentrum Energieeffizienz and Institut für Angewandte Photophysik Technische, Universität Dresden, George-Bähr Straße 1, Dresden, Germany.


Direct laser interference patterning (DLIP) is used to fabricate large area, two-dimensional periodic surface patterns on polyethylene terephthalate (PET) substrates to enhance the performance of ZnPc:C60 solar cells by light concentration in the absorber layer. Comparing the power conversion efficiencies to the reference cell on flat PET, a relative increase of 21% is observed for the hexagonal pattern with 0.7 μm period, depicted in the figure.

Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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