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Transmission spectrum of the Cd0.8Zn0.2S thin films prepared by vacuum evaporation, at normal incidence was obtained in the spectral region from 400 to 2000 nm. Based on the use of the maxima and minima of the interference fringes, a straightforward analysis proposed by Swanepoel's method has been applied to derive the optical constants such as refractive index, n, absorption coefficients, a, optical...
Cadmium telluride thin films solar cells and modules have demonstrated high performance and low cost. After the efficiency of CdTe thin film solar cell made in Sichuan University reached 13.38%, a task of translation from the laboratory to pilot production of the solar cells has begun by us. The structure of the cells is CdS/CdTe/ZnTe/ZnTe:Cu. The front electrode is SnO2:F/HR-SnO 2 films on soda-lime...
The fabrication and properties of CdTe layer are most important to the performance of CdTe thin film solar cells, among their several function layers. In the paper, a technology of closed-space sublimation(CSS) in Ar+O2 atmosphere has been studied and a method of depositing CdTe thin films on smooth glass substrate has been developed. The structural properties of these films deposited in an appropriate...
Most researchers have applied expensive He gas as the ambient in close-spaced sublimation and have received good results. But considering the cost of Helium, it is significant to study the effects of another cheap inert gas on CSS CdTe films. In this paper, CdTe thin films have been deposited on CdS thin films by CSS in Ar and Ar+O/sub 2/ ambient. The microstructure, morphology and photoluminescence...
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