SnO/ sub2 /-镀膜玻璃基板上沉积CdS薄膜的形貌[用于太阳能电池]

Conference Record of the Twenty Sixth IEEE Photovoltaic Specialists Conference - 1997 Pub Date : 1997-09-29 DOI:10.1109/PVSC.1997.654148

F. Hasoon, M. Al‐Jassim, A. Swartzlander, P. Sheldon, A. Al-Douri, A. Alnajjar

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引用次数: 0

摘要

硫化镉(cd)薄膜的形貌和微观结构是CdTe太阳能电池制备过程中的一个重要问题。在这项工作中，我们研究了化学浴沉积CdS的形态和微观结构，以便更好地了解产生最佳器件性能的薄膜的生长条件。采用场发射、高分辨率扫描电镜(SEM)对膜的形貌进行了研究。利用透射电子显微镜(TEM)研究了膜的微观结构，并用俄歇电子能谱(AES)研究了膜的化学性质。所有检查的胶片都显示出针孔和大小和密度不等的不连续。通过在CdTe和SnO/sub /之间提供分流路径，这可能会对电池性能产生重大影响。此外，CdS薄膜有严重的缺陷，这可能部分解释了为什么在CdTe/CdS界面区域观察到高密度的平面缺陷。

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The morphology of CdS thin films deposited on SnO/sub 2/-coated glass substrates [for solar cells]

The morphology and microstructure of cadmium sulfide (CdS) thin films are a major concern in the fabrication process of CdTe solar cells. In this work, we investigate the morphology and microstructure of chemical-bath-deposited CdS in order to better understand the growth conditions that give rise to films for optimum device performance. The film morphology was investigated by field-emission, high-resolution scanning electron microscopy (SEM). The film microstructure was studied by transmission electron microscopy (TEM), while the film's chemistry was investigated by Auger electron spectroscopy (AES). All films examined exhibited pinholes and discontinuities varying in size and density. This may have a significant impact on cell performance by providing shunt paths between the CdTe and the SnO/sub 2/. Additionally, the CdS films are heavily faulted, which may partially explain why a high density of planar defects is observed in the CdTe/CdS interface region.

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Conference Record of the Twenty Sixth IEEE Photovoltaic Specialists Conference - 1997

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