Applying Light Trapping Structure to GaAs Thin Film Solar Cells: A State-of-the-Art Review
LIU Yusheng1, LIU Wen1, ZHANG Shuyuan1, YANG Fuhua1,2, WANG Xiaodong1,2
1 Engineering Research Center of Semiconductor Integration Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083; 2 School of Microelectronics, University of Chinese Academy of Sciences, Beijing 101408
Abstract: Owing to its unique optical properties, light trapping structure plays a more and more important role in the photovoltaic devices. At present, the application of light trapping structure in silicon-based solar cells is quite popular, but its application in GaAs thin film solar cells is little reported. In this article, the principle, research status of light trapping structure and its applications in GaAs thin film solar cells are introduced in detail. Three kinds of light trapping structures for GaAs thin film solar cells are summarized,including light trapping structure on the front surface (such as metal nanoparticle, nanowire, nanocone, etc.),light trapping structure on the back surface (such as back reflection layer), and hybrid light trapping structure. It shows that the application of light trapping structure can further improve photoelectric conversion efficiency of the GaAs thin film solar cells, and can also achieve the goal of reducing the production cost of the solar cells.
刘雨生, 刘雯, 张淑媛, 杨富华, 王晓东. 陷光结构在GaAs薄膜太阳电池中的应用*[J]. 《材料导报》期刊社, 2017, 31(11): 11-19.
LIU Yusheng, LIU Wen, ZHANG Shuyuan, YANG Fuhua, WANG Xiaodong. Applying Light Trapping Structure to GaAs Thin Film Solar Cells: A State-of-the-Art Review. Materials Reports, 2017, 31(11): 11-19.
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2017, Vol. 31 
