Munday, Jeremy N. and Atwater, Harry A. (2011) Large Integrated Absorption Enhancement in Plasmonic Solar Cells by Combining Metallic Gratings and Antireflection Coatings. Nano Letters, 11 (6). pp. 2195-2201. ISSN 1530-6984. doi:10.1021/nl101875t. https://resolver.caltech.edu/CaltechAUTHORS:20110620-134902326
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Abstract
We describe an ultrathin solar cell architecture that combines the benefits of both plasmonic photovoltaics and traditional antireflection coatings. Spatially resolved electron generation rates are used to determine the total integrated current improvement under AM1.5G solar illumination, which can reach a factor of 1.8. The frequency-dependent absorption is found to strongly correlate with the occupation of optical modes within the structure, and the improved absorption is mainly attributed to improved coupling to guided modes rather than localized resonant modes.
| Item Type: | Article | |||||||||
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| Additional Information: | © 2010 American Chemical Society. Received: May 27, 2010; revised: August 21, 2010; published: October 14, 2010. We thank D. Callahan, S. Burgos, E. Feigenbaum, and V. Ferry for helpful discussions. This work was supported by the Department of Energy under Contract DE-FG02- 07ER46405 and the Global Climate and Energy Project (GCEP). | |||||||||
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| Subject Keywords: | Solar cells; photovoltaics; plasmonics; absorption enhancement; grating | |||||||||
| Issue or Number: | 6 | |||||||||
| DOI: | 10.1021/nl101875t | |||||||||
| Record Number: | CaltechAUTHORS:20110620-134902326 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20110620-134902326 | |||||||||
| Official Citation: | Large Integrated Absorption Enhancement in Plasmonic Solar Cells by Combining Metallic Gratings and Antireflection Coatings Jeremy N. Munday, Harry A. Atwater Nano Letters 2011 11 (6), 2195-2201 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 24064 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | INVALID USER | |||||||||
| Deposited On: | 21 Jun 2011 17:56 | |||||||||
| Last Modified: | 09 Nov 2021 16:20 |
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