Influence of CdS deposition technique for CdS/CdTe solar cells applications

被引：6
|
作者：
Rubio, Sandra [1 ]
Luis Plaza, Jose [1 ]
Dieguez, Ernesto [1 ]
机构：
[1] Univ Autonoma Madrid, Fac Sci, Dept Mat Phys, Crystal Growth Lab, E-28049 Madrid, Spain
来源：
JOURNAL OF CRYSTAL GROWTH | 2014年 / 401卷
关键词：
Surface structure; Physical vapor deposition processes; Cadmium compounds; Semiconducting II-VI materials; Solar cells; THIN-FILMS; GROWTH;
D O I：
10.1016/j.jcrysgro.2014.03.032
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The manufacturing of an optimal window layer is essential for a high efficiency solar cell. CdS thin films were deposited on FTO commercial substrates by two different techniques: Chemical Bath Deposition (CBD), and Closed Space Sublimation (CSS) using SiC rods as electrical heating elements. The composition, morphology, and crystalline structure of the CdS thin films were analyzed by Energy Dispersive X-ray spectroscopy (EDX), Scanning Electron Microscope (SEM), and X-Ray Diffraction (XRD). CdS layers obtained by CSS have shown good stoichiometries of 51.07(Cd at %), and 48.93(S at %), with the presence of disordered microrods of hexagonal shape. The CdS films obtained by CBD exhibited certain contamination from the bath chemical components and a poor defined structure. In conclusion, the layers deposited by electric heating based CSS present a better morphology and crystal structure than the layers deposited by CBD. The CdTe absorber layer deposited by CSS electric heating also shows good cubic structure and morphology. (C) 2014 Elsevier By. All rights reserved.
引用
收藏
页码：550 / 553
页数：4
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