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.
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| 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. | ||||||||
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| 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 | ||||||||
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| 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 Dec 2012 15:29 |
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