Journal
ADVANCED MATERIALS
Volume 24, Issue 7, Pages 906-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201104331
Keywords
organic photovoltaic; direct laser interference patterning; solar cell; absorption enhancement; light trapping
Categories
Funding
- European Union
- free state of Saxony
- Fraunhofer Association as part of the Dresdner Innovationszentrum Energieffizienz
- Fraunhofer Association [Attract 692174]
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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 effi ciencies to the reference cell on fl at PET, a relative increase of 21% is observed for the hexagonal pattern with 0.7 mu m period, depicted in the fi gure.
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