Study of sprayed CZTS thin films containing various copper content

By ultrasonic spray, we have deposited CZTS films on Mo coated substrates. A sulfurization treatment was systematically performed under Argon atmosphere at 500 °C for one hour. Copper content effect of CZTS thin films of about 1 μm was studied by X-ray diffraction, Raman spectroscopy and optical tra...

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Published in2016 International Renewable and Sustainable Energy Conference (IRSEC) pp. 107 - 109
Main Authors Sekkati, Mouaad, Benamar, El Bachir, Tlemcani, Taoufik Slimani, Taibi, Mhamed, Aazou, Safae, Edfouf, Zineb, El Moursli, Fouzia Cherkaoui, Schmerber, Guy, Sekkat, Zouheir, Dinia, Aziz, Slaoui, Abdelilah, Abd-Lefdil, Mohammed
Format Conference Proceeding
LanguageEnglish
Published IEEE 18.07.2017
Subjects
Acoustics
Argon
Atmosphere
Characterization
Copper
CZTS
Substrates
Sulfurization
Ultrasonic Spray
X-ray scattering
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Summary:By ultrasonic spray, we have deposited CZTS films on Mo coated substrates. A sulfurization treatment was systematically performed under Argon atmosphere at 500 °C for one hour. Copper content effect of CZTS thin films of about 1 μm was studied by X-ray diffraction, Raman spectroscopy and optical transmittance measurements. The films exhibited the kesterite structure despite the appearance of some secondary phases for a high and poor copper content. The gap energy value was sensitive to the copper content and ranged between 1.42 eV and 1.68 eV.
ISSN:2380-7393
DOI:10.1109/IRSEC.2016.7983951