CZTS thin films on transparent conducting electrodes by electrochemical technique

被引：83

作者：

Sarswat, Prashant K. ^{[1
]}

Snure, Michael ^{[2
]}

Free, Michael L. ^{[1
]}

Tiwari, Ashutosh ^{[2
]}

机构：

[1] Univ Utah, Dept Met Engn, Salt Lake City, UT 84112 USA

[2] Univ Utah, Dept Mat Sci & Engn, Nanostruct Mat Res Lab, Salt Lake City, UT 84112 USA

来源：

THIN SOLID FILMS | 2012年 / 520卷 / 06期

关键词：

Photovoltaics; Copper zinc tin sulfide; Electrochemical deposition; Thin films; Transparent conducting oxide; SULFURIZATION;

D O I：

10.1016/j.tsf.2011.07.052

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have fabricated single phase Cu2ZnSnS4 (CZTS) films using a specially designed 3-stage electrochemical system. Sequential electrodepositon of constituent metallic layers was carried out on SnO2/F coated glass substrates using a platinum counter electrode and a saturated calomel reference electrode. Unique bath compositions were formulated for each of these constituents. Sequentially deposited tri-layer stacks were annealed in sulfur environment to get CZTS phase. Detailed structural, morphological and optical characterization experiments were performed using several techniques including x-ray diffraction, Raman and UV-visible spectroscopy, scanning electron microscopy and atomic force microscopy. All characterization experiments indicated that the films are single phase with a measured direct band gap of 1.5 eV. (c) 2011 Elsevier B.V. All rights reserved.

引用

页码：1694 / 1697

页数：4

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