Preparation of monoclinic Cu2SnS3 single crystal by chemical vapor transport with iodine

被引：33
作者：
Matsumoto, Yusuke [1 ]
Aihara, Naoya [1 ]
Munemura, Atsushi [1 ]
Tanaka, Kunihiko [1 ]
机构：
[1] Nagaoka Univ Technol, Dept Elect Elect & Informat Engn, 1603-1 Kamitomioka, Nagaoka, Niigata 9402188, Japan
来源：
MATERIALS LETTERS | 2016年 / 170卷
关键词：
Cu2SnS3; Chemical vapor transport; Single crystal; FILM SOLAR-CELLS; OPTICAL-PROPERTIES; THIN-FILMS; SULFIDES; GROWTH;
D O I：
10.1016/j.matlet.2016.02.039
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Single crystals of monoclinic Cu2SnS3 (CTS) were prepared by chemical vapor transport using iodine as a transport agent. A range of iodine concentrations from 1.5 to 3.0 mg/cm(3) was employed to determine its effect on crystal growth. The crystals were quenched after vapor transport to prevent the growth of additional, secondary CTS phases. A stoichiometrically balanced CTS product (with a composition ratio of Cu:Sn:S =2.05:1.01:2.94) was achieved using an iodine concentration of 2.0 mg/cm(3). The results of Raman scattering and X-ray diffraction analyses showed that the samples were CTS crystals with a monoclinic structure. The sample was confirmed to be a single crystal by selected-area electron diffraction patterns, which showed a regular array of spots consistent with monoclinic CTS. (C) 2016 Elsevier B.V. All rights reserved.
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页码：213 / 216
页数：4
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