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Large Integrated Absorption Enhancement in Plasmonic Solar Cells by Combining Metallic Gratings and Antireflection Coatings

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. 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
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/nl101875tDOIArticle
http://pubs.acs.org/doi/abs/10.1021/nl101875tPublisherArticle
ORCID:
AuthorORCID
Atwater, Harry A.0000-0001-9435-0201
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).
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG02- 07ER46405
Global Climate and Energy Project (GCEP)UNSPECIFIED
Subject Keywords:Solar cells; photovoltaics; plasmonics; absorption enhancement; grating
Issue or Number:6
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: Jason Perez
Deposited On:21 Jun 2011 17:56
Last Modified:03 Oct 2019 02:52

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