Some physical properties of Sn-doped CdO thin films prepared by chemical bath deposition

被引：127
作者：
de Leon-Gutierrez, L. R.
Cayente-Romero, J. J.
Peza-Tapia, J. M.
Barrera-Calva, E. [1 ]
Martinez-Flores, J. C.
Ortega-Lopez, M.
机构：
[1] Univ Autonoma Metropolitana, CBI, IPH, Area Ingn Energia, Mexico City 09340, DF, Mexico
[2] IPN, CINVESTAV, Dept Ingn Elect, Secc Elect Estado Solido, Mexico City 07360, DF, Mexico
来源：
MATERIALS LETTERS | 2006年 / 60卷 / 29-30期
关键词：
solar cells materials; chemical bath deposition; cadmium oxide; thin films;
D O I：
10.1016/j.matlet.2006.03.131
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Undoped and Sn-doped CdO thin films were prepared by the chemical bath deposition method by means of a procedure that improves the deposition efficiency. All as-grown films were crystallized in the cubic structure of cadmium peroxide (CdO2) and transformed into CdO with a cubic structure after an annealing process. The as-grown films have a high resistivity (> 10(6) Omega cm) and an optical bandgap around 3.6 eV Undoped CdO displays an optical bandgap around 2.32-2.54 eV and has an electrical conductivity of g x 10(-4) Omega cm. The Sn incorporation into CdO produces a blue shift in the optical bandgap (from 2.55 to 2.84 eV) and a decrease in the electrical conductivity. The deposition procedure described here gives colloid-free surface thin films as indicated by the surface morphology analysis. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：3866 / 3870
页数：5
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