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Synthesis and characterisation of Cu2ZnSnS4 thin films prepared by sol gel method for photovoltaic applications

Abstract : This study reports the elaboration and characterisation of Cu2ZnSnS4 (CZTS) thin films prepared by low cost sol gel method associated to spin coating technique. The CZTS thin films were prepared on ordinary glass substrates and annealed at 350°C during 4 min, 8 min, 12 min and 16 min of the samples Z1, Z2, Z3 and Z4 respectively, in order to study the effect of annealing times on the structural, optical and electrical properties. The samples were characterized using X-ray diffractometer, Spectrophotometer UV-VIS and 4-points probe system. The optical parameters were measured and calculated from the transmittance and absorbance spectra in the wavelength between 350 and 1000 nm. The sheet resistance and the resistivity were determined by 4-points probe method. The CZTS films showed a kesterite structure of (112), (200), (220) and (312) plans, the preferential orientation along the (112) plan. The band gap energy of sample Z1 is 1.5 eV, the sheet resistance and resistivity of sample Z1 are 3.61 kΩ/square and 0.257 Ω.cm respectively. © 2016 IEEE.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-02434107
Contributor : Amandine Lustrement <>
Submitted on : Thursday, January 9, 2020 - 4:46:33 PM
Last modification on : Tuesday, November 24, 2020 - 3:29:54 AM

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Ahmed Ziti, Mohammed Rafi, Soucace Mari, Miguel Mollar, Bouchaib Hartiti, et al.. Synthesis and characterisation of Cu2ZnSnS4 thin films prepared by sol gel method for photovoltaic applications. 2016 International Renewable and Sustainable Energy Conference, IRSEC 2016, Nov 2016, Marrakech, Morocco. pp.189-194, ⟨10.1109/IRSEC.2016.7984065⟩. ⟨hal-02434107⟩

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