硒化铜铟镓太阳电池
制作
带隙
光电子学
太阳能电池
黄铜矿
材料科学
过程(计算)
辐射传输
开路电压
电压
计算机科学
纳米技术
工程物理
物理
光学
电气工程
铜
工程类
冶金
医学
替代医学
病理
操作系统
作者
Rico Gutzler,Wolfram Witte,Ana Kanevce,Dimitrios Hariskos,Stefan Paetel
摘要
Abstract Big sets of experimental data are key to assess statistical device performance and to distill underlying trends. This insight, in turn, can then be used to improve on the fabrication process. We here describe a standardized and optimized inline fabrication process and present a statistical analysis of tens of thousands of cells with chalcopyrite‐type Cu(In,Ga)Se 2 absorber. The large number of samples allows us to point out where Ag alloying into the absorber offers improvements, and how it couples with compositional and optoelectronic properties. Solar cell parameters as a function of chemical composition of the absorber highlight the importance of fill factor on overall cell performance. Finally, we calculate losses in open‐circuit voltage as a function of band gap energy and show that radiative losses can be reduced by increasing the amount of Cu and/or Ag.
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