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8 September 2011 Surface relief diffraction gratings for plasmonic photocurrent enhancements in P3HT-PCBM solar cells
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Proceedings Volume 8007, Photonics North 2011; 80071U (2011) https://doi.org/10.1117/12.902649
Event: Photonics North 2011, 2011, Ottawa, Canada
Abstract
A 260 nm layer of organic bulk heterojunction blend of the polymer poly (3-hexylthiophene) (P3HT) and the fullerene [6,6]-phenyl C61-butyric (PCBM) was spin-coated in between aluminum and gold electrodes respectively on top of a laser inscribed azo polymer surface relief diffraction grating. Angle dependent surface plasmons (SP) with a large band gap were observed in the normalized photocurrent by the P3HT-PCBM layer as a function of wavelength. The highest increase in photocurrent was found to be 272% at a wavelength of 618 nm for a grating depth of 50 nm. The SP-induced photocurrents were also investigated as a function of the grating depth and spacing.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ribal Georges Sabat, Marcos Jose Leite Santos, and Paul Rochon "Surface relief diffraction gratings for plasmonic photocurrent enhancements in P3HT-PCBM solar cells", Proc. SPIE 8007, Photonics North 2011, 80071U (8 September 2011); https://doi.org/10.1117/12.902649
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