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首页> 外文会议>Photovoltaic Specialists Conference (PVSC), 2011 37th IEEE >The performance of thin film solar cells employing photovoltaic ZnSe/CdTe, CdS/CdTe and ZnTe/CdTe heterojunctions
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The performance of thin film solar cells employing photovoltaic ZnSe/CdTe, CdS/CdTe and ZnTe/CdTe heterojunctions

机译：使用光伏ZnSe / CdTe，CdS / CdTe和ZnTe / CdTe异质结的薄膜太阳能电池的性能

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This paper focuses on the photovoltaic parameters of ZnSe/CdTe, CdS/CdTe, and ZnTe/CdTe thin film heterojunction solar cells. ZnSe/CdTe, CdS/CdTe, and ZnTe/CdTe thin film heterojunction solar cells were fabricated by Close Space Sublimation (CSS) on TCO-coated glass substrates. All types of solar cells were fabricated in a superstrate configuration. The thickness of ZnSe and ZnTe layers was varied in order to adjust the solar cell performance. A similar cadmium chloride solution for the treatment of a CdTe layer with an elevated temperature air annealing of the completed devices before the back contact deposition was applied to ZnSe/CdTe and CdS/CdTe thin film heterojunctions solar cells with exception of ZnTe/CdTe. All cells were characterized through light and dark current density-voltage (J-V) measurements and quantum efficiency (QE) measurements. The saturation current, ideality factor and photovoltaic parameters for all thin film heterojunction solar cells are presented. The investigation at the room temperature under illumination of 100 mW/cm2 through the wide gap components of ZnSe/CdTe, CdS/CdTe, and ZnTe/CdTe heterojunctions showed a value of conversion efficiency (η) of solar energy to electric energy about 4.7%, 9.9%, and 1.3%, respectively. The incorporation of Zn at the ZnSe and CdTe interface doubles the short circuit current density and improves the performance of ZnSe/CdTe thin film heterojunction solar cells.
机译：本文重点研究了ZnSe / CdTe，CdS / CdTe和ZnTe / CdTe薄膜异质结太阳能电池的光伏参数。 ZnSe / CdTe，CdS / CdTe和ZnTe / CdTe薄膜异质结太阳能电池是通过在TCO涂层玻璃基板上进行近距离升华（CSS）制成的。所有类型的太阳能电池均以覆板构造制造。改变ZnSe和ZnTe层的厚度以调节太阳能电池的性能。在将背接触沉积之前，将用于完成器件的高温空气退火处理的CdTe层的类似氯化镉溶液应用于ZnSe / CdTe和CdS / CdTe薄膜异质结太阳能电池，但ZnTe / CdTe除外。通过亮和暗电流密度-电压（J-V）测量和量子效率（QE）测量来表征所有电池。给出了所有薄膜异质结太阳能电池的饱和电流，理想因子和光伏参数。在室温下通过ZnSe / CdTe，CdS / CdTe和ZnTe / CdTe异质结的宽间隙成分在100 mW / cm2的光照下进行的研究表明，太阳能到电能的转换效率（η）值约为4.7％ ，分别为9.9％和1.3％。 Zn在ZnSe和CdTe界面处的掺入使短路电流密度加倍，并提高了ZnSe / CdTe薄膜异质结太阳能电池的性能。

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