Physical properties of Cu2ZnSnS4 thin films deposited by spray pyrolysis technique

被引:57
|
作者
Seboui, Zeineb [1 ]
Cuminal, Yvan [2 ]
Kamoun-Turki, Najoua [1 ]
机构
[1] Fac Sci Tunis, Lab Phys Mat Condensee, El Manar 2092, Tunisia
[2] Univ Montpellier 2, IES, F-34095 Montpellier 5, France
关键词
PULSED-LASER DEPOSITION; SOLAR-CELL; ABSORBER; GROWTH;
D O I
10.1063/1.4795399
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Thin films of Cu2ZnSnS4 (CZTS) were deposited on Pyrex substrates at various temperatures by spray pyrolysis technique from aqueous solution containing an economic stannous chloride (SnCl2) precursor for the tin and the effect of substrate temperature on the structural and opto-electronic properties was investigated. X-ray diffraction patterns and Raman spectroscopy reveal that all the CZTS films exhibited kesterite structure with preferential orientation along the (1 1 2) direction and some secondary phases. Also, they possessed different band gaps, which were found to lie between 1.52 and 1.81 eV, indicating that CZTS compound has absorbing properties favorable for applications in solar cell devices. Van der Pauw technique and Hall effect measurements were used to determine the electrical properties of CZTS films and the resistivity was of about 0.12 Omega cm for film grown at 280 degrees C. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4795399]
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页数:9
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