期刊
APPLIED PHYSICS LETTERS
卷 96, 期 13, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.3377791
关键词
diffraction gratings; electrodes; organic compounds; plasmonics; solar cells; thin film devices; transparency
资金
- Louisiana Board of Regents [LEQSF (2009-12)-RD-A-08]
- Center for Advanced Molecular Photovoltaics (CAMP) [KUSC1-01521]
- King Abdullah University of Science and Technology
- DOE [DE-FG02-07ER46426]
We theoretically investigate the enhancement of optical absorption in thin-film organic solar cells in which the top transparent electrode is partially substituted by a periodic metallic grating. We show that the grating can result in broadband optical absorption enhancement for TM-polarized light, due to the large field enhancement in the vicinity of the strips of the grating, associated with the excitation of plasmonic modes. The overall optical absorption in the organic layers can be greatly enhanced up to similar to 50% for such solar cell structures.
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