Study of interdiffusion reaction at the CdS/CdTe interface
Study of interdiffusion reaction at the CdS/CdTe interface
复制标题
CdS/CdTe界面相互扩散反应的研究
DOI:
10.1557/jmr.2010.90
复制
发表时间:
2011-03
影响因子:
2.7
通讯作者:
Hou, Zerong
中科院分区:
文献类型:
--
作者:
Bai, Zhizhong;Wang, Deliang;Hou, Zerong
To detect the relatively strong scattering signals of the Raman scattering and the x-ray diffraction (XRD) from CdS and those from the CdS/CdTe interface, an inverted CdTe solar cell structure was prepared and a 35-nm-thick CdS film was deposited on the surface of a CdTe solar cell structure. The Raman and high-resolution XRD scattering spectra allowed us to qualitatively study the interdiffusion and its related reactions at the CdS/CdTe interface. Interdiffusion began to occur at a relatively low temperature of about 350 °C, which coincided with the CdS phase transformation from cubic to hexagonal phase. Substantial interdiffusion of S and Te occurred after heat treatment at a temperature of 550 °C, resulting in formation of S-rich and Te-rich CdS_xTe_1− x alloy at the CdS/CdTe interface, with S and Te atomic concentration of ∼9% and 11% diffused into the CdTe and the CdS films, respectively.
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影响因子:
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通讯作者:
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通讯作者:
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3.7
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