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Published June 2012 | Supplemental Material
Journal Article Open

Design of Nanostructured Solar Cells Using Coupled Optical and Electrical Modeling


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.

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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