Chemical bath deposition of SnS films with different crystal structures

被引：71

作者：

Gao, Chao ^{[1
]}

Shen, Honglie ^{[1
]}

Sun, Lei ^{[1
]}

Shen, Zhou ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Peoples R China

来源：

MATERIALS LETTERS | 2011年 / 65卷 / 09期

关键词：

SnS films; Chemical bath deposition; Crystal structure; Optical properties; Solar energy materials; SULFIDE THIN-FILMS; ZINC BLENDE;

D O I：

10.1016/j.matlet.2011.02.017

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

SnS (stannous sulfide) films were prepared by chemical bath deposition in which a novel chelating reagent ammonium citrate was used. The film has a zinc blende structure or orthorhombic structure which is determined by the pH value of the deposition solution (zinc blende structure at pH=5 and orthorhombic structure at pH=6). The reason for this result may be that SnS films prepared at different pH values have different deposition mechanisms, which results in different structures. The prepared SnS films are all smooth and well adhered. The optical bandgaps of the SnS films are determined to be 1.75 eV and 1.12 eV for zinc blende structure and orthorhombic structure, respectively. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1413 / 1415

页数：3

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