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The Scientific World Journal
Volume 2014, Article ID 265351, 5 pages
Research Article

Design Multilayer Antireflection Coatings for Terrestrial Solar Cells

1The Key Laboratory of Nonferrous Metal Materials and New Processing Technology of Ministry of Education, Guangxi University, Nanning 530004, China
2Department of Physics and Astronomy, University of North Carolina, Chapel Hill, NC 27599, USA

Received 31 August 2013; Accepted 19 November 2013; Published 28 January 2014

Academic Editors: E. Liu, A. Meghea, H. Ruda, and Z. Yang

Copyright © 2014 Feng Zhan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In order to analyze the influence of methods to design antireflection coatings (ARCs) on reflectivity of broadband solar cells, we provide detailed analyses about the ARC coupled with a window layer and the refractive index dispersion effect of each layer. By multidimensional matrix data simulation, two methods were employed to measure the composite reflection of a Si/ZnS double-layer ARC within the spectral ranges of 300–870 nm (dual junction) and 300–1850 nm (triple junction) under AM1.5 solar radiation. A comparison study, between the results obtained from the commonly used weighted average reflectance method (WAR) and that from the introduced effective average reflectance method (EAR), shows that the optimization of ARC by EAR method is convenient and feasible.