Indium sulfide thin films deposited by chemical spray of aqueous and alcoholic solutions

被引：27

作者：

Otto, K. ^{[1
]}

Katerski, A. ^{[1
]}

Volobujeva, O. ^{[1
]}

Mere, A. ^{[1
]}

Krunks, M. ^{[1
]}

机构：

[1] Tallinn Univ Technol, Dept Mat Sci, EE-19086 Tallinn, Estonia

来源：

EMRS-C: MATERIALS DEVICES AND ECONOMICS ISSUES FOR TOMORROW'S PHOTOVOLTAICS | 2011年 / 3卷

关键词：

Indium sulfide; chemical spray pyrolysis; solvents; structural properties; morphology; elemental composition; XRD; SEM; XPS; PYROLYSIS;

D O I：

10.1016/j.egypro.2011.01.011

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In2S3 films were grown by pneumatic chemical spray method using aqueous and alcoholic solutions containing InCl3 and SC(NH2)(2) at molar ratios of [In]/[S]=1/3 and 1/6. Films were deposited onto preheated glass sheets in air at heater (molten Sn bath) temperatures of 250 and 330 degrees C. Films were characterized by means of XRD, SEM, UV-VIS spectra and XPS. beta-In2S3 films were formed independent of the technological variables. The films from aqueous solutions are highly orientated along (0 0 12) plane parallel to the substrate, with E-g of 2.2-2.3 eV (indirect transitions). Spray of alcoholic solutions results in thinner but more compact films with reduced (0 0 12) orientation, E-g of ca. 2.0 eV, and no chlorine contamination when deposited at 330 degrees C. According to XPS, the films have uniform concentration of the elements through the film thickness, spray of sulfur-rich solutions ([In]/[S]=1/6) results in the films with lower oxygen content. (C)2009 Published by Elsevier B. V.

引用

页数：7

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