Properties of AgInS2 films prepared by spray pyrolysis for solar cells

被引：0
|
作者：
Ortega-López, M [1 ]
Morales-Acevedo, A [1 ]
Solorza-Feria, O [1 ]
机构：
[1] IPN, Ctr Invest & Estudios Avanzados, Dept Elect Engn, Mexico City 07360, DF, Mexico
来源：
CONFERENCE RECORD OF THE TWENTY-EIGHTH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE - 2000 | 2000年
关键词：
D O I：
10.1109/PVSC.2000.915920
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：
We have prepared AgInS2 thin films by the spray pyrolysis technique. The effects of the growth temperature and the chemical composition of the solution upon the structural, the optical and the electrical properties of the films have been studied. It was found that growth temperatures above 400 degrees C lead to single-phase chalcopyrite type AgInS2 films, but deposition temperatures lower than 400 degrees C lead to mixed chalcopyrite and orthorombic structure films. All the films grown here show n-type conductivity with room temperature resistivities in the range between 10(3) - 10(5) Omega -cm. The absorbance derivative spectra of single phase AgInS2 films revealed two energy gaps around 1.87 eV and 2.03 eV, attributed to the fundamental edge and to the valence band splitting by the crystal-field, respectively.
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页码：622 / 625
页数：4
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