Electrophotonic enhancement of bulk heterojunction organic solar cells through photonic crystal photoactive layer

Title
Electrophotonic enhancement of bulk heterojunction organic solar cells through photonic crystal photoactive layer
Authors
John R. Tumbleston고두현Edward T. SamulskiRene Lopez
Issue Date
2009-01
Publisher
Applied physics letters
Citation
VOL 94, 043305-1-043305-3
Abstract
We present one- ( 1D) and two-dimensional ( 2D) periodic nanostructured designs for organic photovoltaics where a photonic crystal is formed between blended poly-3-hexylthiophene/ [ 6,6] -phenyl-C61-butyric acid methyl ester ( P3HT:PCBM) and nanocrystalline zinc oxide. Absorption enhancements over the full absorption range of P3HT:PCBM of 20% ( one polarization) and 14% are shown for the 1D and 2D structures, respectively. These improvements result in part from band edge excitation of quasiguided modes. The geometries are also shown to create excitons 26% ( 1D) and 11% ( 2D) closer to P3HT:PCBM exit interfaces indicating further photovoltaic improvement.
URI
http://pubs.kist.re.kr/handle/201004/47976
ISSN
00036951
Appears in Collections:
KIST Publication > Article
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