Control of Fundamental Length Scales in Polymer Solar Cells

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Presentation transcript:

Control of Fundamental Length Scales in Polymer Solar Cells Rene Lopez UNC chapel Hill Glass ITO PEDOT:PSS P3HT:PCBM LiF/Al ZnO Inspired on the butterfly wing structure, a new cell design that responds the electronic and optical characteristic lengths of the organic materials Patterned over larger surface area, the optical absorption is boosted and its electronic performance improved ~ 20% increase! Planar Photonic Optical redistributions at normal incidence for (a) planar and (b) PC cell for OPV-PT device. (c) Current - Voltage (J-V) properties for PC and planar cells follow absorption enhancement as predicted by the optical model.