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Plasmonic light trapping in thin-film Si solar cells

Spinelli, P. and Ferry, V. E. and van de Groep, J. and Van Lare, M. and Verschuuren, M. A. and Schropp, R. E. I. and Atwater, H. A. and Polman, A. (2012) Plasmonic light trapping in thin-film Si solar cells. Journal of Optics, 14 (2). Art. No. 024002. ISSN 2040-8978 . http://resolver.caltech.edu/CaltechAUTHORS:20120314-144552397

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Abstract

Plasmonic nanostructures have been recently investigated as a possible way to improve absorption of light in solar cells. The strong interaction of small metal nanostructures with light allows control over the propagation of light at the nanoscale and thus the design of ultrathin solar cells in which light is trapped in the active layer and efficiently absorbed. In this paper we review some of our recent work in the field of plasmonics for improved solar cells. We have investigated two possible ways of integrating metal nanoparticles in a solar cell. First, a layer of Ag nanoparticles that improves the standard antireflection coating used for crystalline and amorphous silicon solar cells has been designed and fabricated. Second, regular and random arrays of metal nanostructures have been designed to couple light in waveguide modes of thin semiconductor layers. Using a large-scale, relative inexpensive nano-imprint technique, we have designed a back-contact light trapping surface for a-Si:H solar cells which show enhanced efficiency over standard randomly textured cells.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/2040-8978/14/2/024002DOIArticle
http://iopscience.iop.org/2040-8986/14/2/024002/PublisherArticle
ORCID:
AuthorORCID
van de Groep, J.0000-0003-3033-8005
Schropp, R. E. I.0000-0003-4175-2658
Atwater, H. A.0000-0001-9435-0201
Polman, A.0000-0002-0685-3886
Additional Information:© 2012 IOP Publishing Ltd. Received 7 July 2011, accepted for publication 7 September 2011. Published 12 January 2012. The authors would like to acknowledge Frank Lenzmann and Lachlan Black from the Energy Center of the Netherlands (ECN) for providing c-Si solar cells, Karine van der Werf for a-Si solar cell depositions and MiPlaza for electron-beam fabrication of the SCIL master pattern. This work is part of the research program of the Foundation for Fundamental Research on Matter (FOM) which is financially supported by the Netherlands Organization for Fundamental Research (NWO). It is also funded by the European Research Council. This work is also part of the Global Climate and Energy Project (GCEP). The Caltech portion of this work was supported by the Department of Energy under contract nos. DE-FG02-07ER46405 (modeling) and SETP GO-18006 (cell fabrication).
Funders:
Funding AgencyGrant Number
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)UNSPECIFIED
European Research Council (ERC)UNSPECIFIED
Department of Energy (DOE)DE-FG02-07ER46405
Department of Energy (DOE)GO-18006
Global Climate and Energy Project (GCEP) UNSPECIFIED
Stichting voor Fundamenteel Onderzoek der Materie (FOM)UNSPECIFIED
Subject Keywords:plasmonics, solar cells, light trapping, thin-film
Classification Code:PACS: 84.60.Jt, 71.45.Gm, 81.16.Nd, 73.22.Lp, 42.79.Wc
Record Number:CaltechAUTHORS:20120314-144552397
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120314-144552397
Official Citation:Plasmonic light trapping in thin-film Si solar cells REVIEW ARTICLE P Spinelli, V E Ferry, J van de Groep, M van Lare, M A Verschuuren, R E I Schropp, H A Atwater and A Polman doi:10.1088/2040-8978/14/2/024002 024002
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:29726
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:15 Mar 2012 14:28
Last Modified:21 Mar 2019 22:56

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