Brush electrodeposited silver indium selenide films and their optical characteristics

被引：1
|
作者：
Kumar, J. Ashok [1 ]
Perumal, S. [2 ]
Murali, K. R. [3 ]
机构：
[1] Natl Engn Coll, Dept Phys, Kovilpatti, India
[2] ST Hindu Coll, Dept Phys, Nagercoil, India
[3] CECRI, CSIR, ECMS Div, Karaikkudi, Tamil Nadu, India
来源：
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING | 2014年 / 27卷
关键词：
Silver indium selenide; Optical properties; Electrodeposition; I-III-VI2; AGINSE2; ABSORPTION;
D O I：
10.1016/j.mssp.2014.06.037
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Silver indium selenide films were brush electrodeposited on tin oxide coated glass substrates at different substrate temperatures. The films were single phase with chalcopyrite structure. Optical absorption measurements indicated a band gap in the range of 1.20-1.30 eV with decrease of substrate temperature. Transmission spectra exhibited interference fringes. Using the envelope method, calculated values of refractive index at 850 nm decreased from 3.53 to 2.62 with decrease of substrate temperature. From the refractive index data, the value of N/m* was estimated to be in the range of 0.89-122. Optical data were analyzed by the single effective oscillator model, and the single oscillator energy as well as the dispersion energy was estimated. The single oscillator energy decreased from 1.83 eV to 1.68 eV with the increase of substrate temperature. The dispersion energy increased from 5.42 eV to 12.25 eV with the increase of substrate temperature. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：412 / 417
页数：6
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