Efficiency enhancement in GaAs solar cells using self-assembled microspheres

Te Hung Chang, Pei Hsuan Wu, Sheng Hui Chen, Chia Hua Chan, Cheng Chung Lee, Chii Chang Chen, Yan Kuin Su

研究成果: 雜誌貢獻期刊論文同行評審

59 引文 斯高帕斯(Scopus)

摘要

In this study we develop an efficient light harvesting scheme that can enhance the efficiency of GaAs solar cells using self-assembled microspheres. Based on the scattering of the microspheres and the theory of photonic crystals, the path length can be increased. In addition, the selfassembly of microspheres is one of the simplest and the fastest methods with which to build a 2D periodic structure. The experimental results are confirmed by the use of a simulation in which a finite-difference timedomain (FDTD) method is used to analyze the absorption and electric field of the 2D periodic structure. Both the results of the numerical simulations and the experimental results show an increase in the conversion power efficiency of GaAs solar cell of about 25% when 1 μ m microspheres were assembled on the surface of GaAs solar cells.

原文???core.languages.en_GB???
頁(從 - 到)6519-6524
頁數6
期刊Optics Express
17
發行號8
DOIs
出版狀態已出版 - 13 4月 2009

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