Investigation of Optical and Electrical Properties of Silver Sulfide Films Deposited on Polyamide Substrates

被引:9
|
作者
Krylova, Valentina [1 ]
Samuolaitiene, Lina [1 ]
机构
[1] Kaunas Univ Technol, Dept Inorgan Chem, LT-50254 Kaunas, Lithuania
来源
MATERIALS SCIENCE-MEDZIAGOTYRA | 2013年 / 19卷 / 01期
关键词
polyamide; silver sulfide layers; CBD; composition; conductivity;
D O I
10.5755/j01.ms.19.1.3817
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A low cost chemical bath deposition (CBD) technique has been used for the preparation of Ag2S thin films on polyamide 6 (PA) substrates. Optical and electrical properties of these films were investigated. Optical micrographs have shown that the surface morphology depends on the number of immersions, becoming more continuous and homogeneous. The UV/Vis absorption spectra show that peak observed at 240 nm is assigned to sulfide functional group and less intense shallower band observed at 350 nm is attributed to silver. Analysis of IR spectrum shows that a new material (silver sulfide) is formed or bonded on the surface of PA after modification in acidic aqueous AgNO3/Na2S2O3 center dot 5H(2)O solution. The value of sheet resistance of silver sulfide layers varies from 39 M Omega/cm(2) to 1.26 M Omega/cm(2). The sheet resistance depends on the concentration of silver nitrate solution and number of samples immersions in precursor solutions.
引用
收藏
页码:10 / 14
页数:5
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