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Design of Nanostructured Solar Cells Using Coupled Optical and Electrical Modeling

Deceglie, Michael G. and Ferry, Vivian E. and Alivisatos, A. Paul and Atwater, Harry A. (2012) Design of Nanostructured Solar Cells Using Coupled Optical and Electrical Modeling. Nano Letters, 12 (6). pp. 2894-2900. ISSN 1530-6984. http://resolver.caltech.edu/CaltechAUTHORS:20120710-151723610

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Abstract

Nanostructured light trapping has emerged as a promising route toward improved efficiency in solar cells. We use coupled optical and electrical modeling to guide optimization of such nanostructures. We study thin-film n-i-p a-Si:H devices and demonstrate that nanostructures can be tailored to minimize absorption in the doped a-Si:H, improving carrier collection efficiency. This suggests a method for device optimization in which optical design not only maximizes absorption, but also ensures resulting carriers are efficiently collected.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/nl300483yDOIArticle
http://pubs.acs.org/doi/abs/10.1021/nl300483yPublisherArticle
ORCID:
AuthorORCID
Alivisatos, A. Paul0000-0001-6895-9048
Atwater, Harry A.0000-0001-9435-0201
Additional Information:© 2012 American Chemical Society. Received: February 6, 2012. Revised: April 19, 2012. Publication Date (Web): May 10, 2012. We are grateful to Michael Kelzenberg, Daniel Turner-Evans, and Matthew Sheldon for useful discussions and assistance with the manuscript. This work was supported by the ″Light- Material Interactions in Energy Conversion″ Energy Frontiers Research Center, United States Department of Energy under Grant DE-SC0001293, LBL contract DE-AC02-05CH11231. M.D. acknowledges support by the Office of Basic Energy Sciences under contract number DOE DE-FG02-07ER46405. The authors declare no competing financial interest.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-SC0001293
Department of Energy (DOE)DE-AC02-05CH11231
Department of Energy (DOE)DE-FG02-07ER46405
Subject Keywords:Thin film solar cells, plasmon, nanophotonic, light trapping, simulation, device physics, silicon, photovoltaics
Record Number:CaltechAUTHORS:20120710-151723610
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120710-151723610
Official Citation: Design of Nanostructured Solar Cells Using Coupled Optical and Electrical Modeling Michael G. Deceglie, Vivian E. Ferry, A. Paul Alivisatos, and Harry A. Atwater Nano Letters 2012 12 (6), 2894-2900
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:32337
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:10 Jul 2012 23:15
Last Modified:26 Sep 2017 21:50

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