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首页> 外文期刊>Applied Surface Science >Impact of CdS annealing atmosphere on the performance of CdS-CdTe solar cell
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Impact of CdS annealing atmosphere on the performance of CdS-CdTe solar cell

机译：CdS退火气氛对CdS-CdTe太阳能电池性能的影响

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CdS thin films obtained by chemical bath deposition and annealed in hydrogen and air ambients were combined with CdTe absorbers obtained by close spaced sublimation. CdS-CdTe solar cells in superstrate configuration were characterized by current-voltage and quantum efficiency measurements while the analysis of annealed CdS films was made by scanning electron microscopy, X-ray diffraction and UV-vis spectroscopy. It was found that in superstrate configuration, due to the big grains on CdS surface and gas emission from CdS film at high temperature deposition of the absorber, the delamination of layers take place. Annealing in H-2 removes the oxygen compounds from CdS grain boundaries and opens them for formation of shortcutting through the CdS layer. The processing in air is most advantageous due to simultaneous presence of chloride and oxygen, contributing to the recrystallization and sintering of the highly textured columnar CdS. The direct influence of the CdS annealing on the solar cell parameters is shown for CdS-CdTe solar cell. (C) 2015 Elsevier B.V. All rights reserved.
机译：通过化学浴沉积获得的CdS薄膜并在氢气和空气环境中进行退火，将其与通过近距离升华获得的CdTe吸收剂结合。通过电流-电压和量子效率测量来表征上层构造的CdS-CdTe太阳能电池，同时通过扫描电子显微镜，X射线衍射和UV-vis光谱对退火的CdS膜进行分析。发现在上层构造中，由于在吸收体的高温沉积下CdS表面上的大晶粒和CdS膜的气体排放，因此发生了层剥离。在H-2中进行退火可从CdS晶界中除去氧化合物，并打开它们以形成穿过CdS层的捷径。由于同时存在氯化物和氧气，在空气中进行处理是最有利的，这有助于高度织构的柱状CdS的重结晶和烧结。对于CdS-CdTe太阳能电池，显示了CdS退火对太阳能电池参数的直接影响。 （C）2015 Elsevier B.V.保留所有权利。

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