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International Journal of Photoenergy
Volume 2008, Article ID 282791, 6 pages
http://dx.doi.org/10.1155/2008/282791
Research Article

Analysis of Pyramidal Surface Texturization of Silicon Solar Cells by Molecular Dynamics Simulations

Department of Mechanical Engineering, National Chiao Tung University, Hsinchu 300, Taiwan

Received 11 April 2008; Accepted 15 May 2008

Academic Editor: Mohamed Sabry Abdel-Mottaleb

Copyright © 2008 Hsiao-Yen Chung 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.

Abstract

The purpose of this paper is to explore the relations between surface texturization and absorptance of multicrystalline silicon solar cells by a simple new model, based on the classic molecular (MD) dynamics simulation, alternative to complex electron-photon interactions to analyze the surface texturization of solar cells. In this study, the large tilted angle leads to the lower efficiency of solar cell. To consider the effect of incident angle, a range of high efficiency exists due to the increasing probability of second reflection. Furthermore, the azimuth angle of incident light also affects the efficiency of solar cells. Our results agree well with previous studies. This MD model can potentially be used to predict the efficiency promotion in any optical reflection-absorption cases.