Efficiency enhancement of organic solar cells by fabricating periodic surface textures using direct laser interference patterning.
basic_science · Level V
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- Record sourced from PubMed, PMID 22403830.
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Abstract
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.
Medical subject headings
- Lasers
- Organic Chemicals
- Solar Energy