THE OPTICAL AND SOLID STATE PROPERTIES OF LEAD SELENIDE (PbSe) THIN FILMS GROWN BY CHEMICAL BATH DEPOSITION (CBD) TECHNIQUE

被引：0
|
作者：
Smu, Ishiwu [1 ]
Nnabuchi, M. N. [1 ]
机构：
[1] Ebonyi State Univ Abakikliki, Dept Ind Phys, Abakikliki, Nigeria
来源：
JOURNAL OF OVONIC RESEARCH | 2010年 / 6卷 / 02期
关键词：
Chemical bath Technique; Lead selenide thin films and sodium selenosulphite; Semiconductor and band gap energy;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lead selenide (PbSe) thin films were deposited on glass substrates using chemical bath deposition technique. The films' growth was based on the decomposition of lead citrate and sodium selenosulphite in the presence of sodium citrate and sodium hydroxide with Ammonia and Triethalamine acting as complexing agents and P. H stabilizers. The deposited materials were identified by X-ray diffraction. In addition, optical and morphological investigations were also performed. The as-deposited (that is unannealed) film (P-16) has the highest absorbance of about 0.98 while the sample P-9 has the lowest absorbance of about 0.3 in ultra-violet region. The optical absorbance generally reduced with increase in wavelength. The optical band gap shows a range of 1.58 - 2.20ev with the unannealed having the highest direct band gap.
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页码：81 / 86
页数：6
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