Structural, morphological and optical properties of Cu2SnS3 thin film synthesized by spin coating technique

被引：65

作者：

Dahman, H. ^{[1
]}

Rabaoui, S. ^{[1
]}

Alyamani, A. ^{[2
]}

El Mir, L. ^{[1
,3
]}

机构：

[1] Gabes Univ, Fac Sci, Lab Phys Mat & Nanomat Appl Environm LaPhyMNE, Gabes 6072, Tunisia

[2] KACST, Natl Nanotechnol Res Ctr, Riyadh, Saudi Arabia

[3] Al Imam Mohammad Ibn Saud Islamic Univ IMSIU, Coll Sci, Dept Phys, Riyadh 11623, Saudi Arabia

来源：

VACUUM | 2014年 / 101卷

关键词：

Cu2SnS3; Spin coating; Thin film; Semiconductor; Solar energy material; IONIC LAYER ADSORPTION; CRYSTAL-STRUCTURE; CU2ZNSNS4; PHOTOVOLTAICS; ABSORBER;

D O I：

10.1016/j.vacuum.2013.08.019

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, Cu2SnS3 film with about 600 nm thickness was successfully prepared, for the first time, by one step sol-gel spin coating route on glass substrate. The sample was characterized by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM) and UV-vis spectroscopy. The X-ray diffraction result showed that the obtained layer was composed by Cu2SnS3 phase and has a tetragonal (I-42m) structure with (112) preferential orientation. The grain size calculated with Scherrer's formula was about 5 nm. The AFM and SEM studies reveal that the synthesized film is rough and compact without any visible cracks or pores. The film has high absorbance in the visible range (alpha > 510(4) cm(-1) at 2.88 eV) and direct band gap energy of 1.34 eV. This makes the material as a good candidate for low cost and friendly environment thin film solar cells. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：208 / 211

页数：4

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