Efficiency Enhancement of Organic Solar Cells by Fabricating Periodic Surface Textures using Direct Laser Interference Patterning

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 effici...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2012-02, Vol.24 (7), p.906-910
Main Authors: Müller-Meskamp, Lars, Kim, Yong Hyun, Roch, Teja, Hofmann, Simone, Scholz, Reinhard, Eckardt, Sebastian, Leo, Karl, Lasagni, Andrés Fabián
Format: Article
Language:English
Subjects:
Absorption
absorption enhancement
direct laser interference patterning
Electrodes
Fullerenes - chemistry
Indoles - chemistry
Lasers
light trapping
Organic Chemicals - chemistry
organic photovoltaic
Organometallic Compounds - chemistry
Polyethylene Terephthalates - chemistry
Polystyrenes - chemistry
solar cell
Solar Energy
Thiophenes - chemistry
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Summary: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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201104331