On Realizing Higher Efficiency Polymer Solar Cells Using a Textured Substrate Platform

Polythiophene:fullerene bulk‐heterojunction solar cells are fabricated on a one‐dimensional photoresist grating of 2 μm pitch and 300 nm height. These dimensions ensure conformal coating of the photovoltaic active‐layer and lead to higher power conversion efficiency due to light‐trapping, especially...

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Veröffentlicht in:Advanced materials (Weinheim) 2011-01, Vol.23 (1), p.112-116
Hauptverfasser: Nalwa, Kanwar S., Park, Joong-Mok, Ho, Kai-Ming, Chaudhary, Sumit
Format: Artikel
Sprache:eng
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Zusammenfassung:Polythiophene:fullerene bulk‐heterojunction solar cells are fabricated on a one‐dimensional photoresist grating of 2 μm pitch and 300 nm height. These dimensions ensure conformal coating of the photovoltaic active‐layer and lead to higher power conversion efficiency due to light‐trapping, especially for higher wavelength photons.
ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.201002898