通过表面工程提高CdTe太阳能电池性能

Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference, 2002. Pub Date : 2002-05-19 DOI:10.1109/PVSC.2002.1190683

Donghwan Kim, J. Heo, Rowoon Lee, Younggun Han, K. Durose, S. Petrov, K. Nakamura, T. Toyama, H. Okamoto

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引用次数: 2

摘要

用不同剂量的Ar/sup +/、N/sub //sup +/、O/sub //sup +/和H/sub //sup +/加速离子(1 keV)照射铟锡氧化物(ITO)衬底表面。测量了薄片电阻(R/sub sh/)、水接触角(WCA)和ITO组成的变化。R/sub sh/随离子剂量的增加而略有增加。WCA降至15℃/spl℃以下，组分转为富氧。化学浴沉积法在ITO上生长的CdS薄膜在微观结构、表面形貌、透光率和化学计量学方面都有改善。首次在CdS/ITO玻璃上进行了x射线光致发光。ITO表面处理提高了CdTe/CdS太阳能电池的性能，这是由于cd界面物理结构的改进。

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Enhanced CdTe solar cell performance through surface engineering

Surface of indium-tin oxide (ITO) substrate were irradiated with accelerated Ar/sup +/, N/sub 2//sup +/, O/sub 2//sup +/ and H/sub 2//sup +/ ions (1 keV) at different doses. The change in sheet resistance (R/sub sh/), the water-contact angle (WCA) and the composition of ITO were measured. R/sub sh/ slightly increased with the ion dose. WCA dropped to less than 15/spl deg/ and the composition shifted to oxygen-rich. CdS films grown on ITO by chemical bath deposition showed an improvement in terms of the microstructure, the surface morphology, the optical transmittance, and the stoichiometry. X-ray photoluminescence was performed on CdS/ITO glass for the first time. The performance of CdTe/CdS solar cells was improved as a result of ITO surface treatments, this being due to improvements in the physical structure of the CdS interfaces.

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Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference, 2002.

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