Influence of CdCl2 Treatment Temperature on Structural and Optical Properties of CdTe Thin Films

被引：0

作者：

Razi, S. A. ^{[1
]}

Das, N. K. ^{[1
]}

Farhad, S. F. U. ^{[2
]}

Matin, M. A. ^{[1
]}

机构：

[1] Chittagong Univ Engn & Technol, Dept EEE, Chittagong, Bangladesh

[2] BCSIR Labs, Solar Energy Convers & Storage Res, Ind Phys Div, Dhaka, Bangladesh

来源：

2019 5TH INTERNATIONAL CONFERENCE ON ADVANCES IN ELECTRICAL ENGINEERING (ICAEE) | 2019年

关键词：

CdTe thin film; Close-spaced sublimation; CdCl2; treatment; XRD; SEM; UV; Vis; Solar cells; SOLAR-CELL;

D O I：

10.1109/icaee48663.2019.8975511

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：

In this work the influence of the CdCl2 treatment temperature on the structural, morphological, and optical properties of CdTe thin films were investigated. The CdTe films were grown on CdS coated borosilicate glass by Close-Spaced Sublimation (CSS) technique using a standard recipe. The CdS coating was done by RF sputtering. The deposited CdTe films were treated with aqueous CdCl2 solution of 0.3 M molar concentration at 380 degrees C, 385 degrees C, 390 degrees C, 395 degrees C and 400 degrees C for 25 minutes each. All the treated films show polycrystalline nature with intense peak at (111) orientation. The highest prominent peak and the largest crystallite size were found for 395 degrees C treatment temperature. The SEM study confirms that the film treated at 395 degrees C temperature is compact and shows uniform surface morphology. Sharp transmittance edges are found at 830 nm wavelength for all treated films which also signifies the higher crystallinity, suitable for high performance CdTe solar cell application.

引用

页码：585 / 590

页数：6

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