Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 101, Issue -, Pages 46-50Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2012.02.012
Keywords
Copper zinc tin sulphide; Direct liquid coating; Metal-organic complex; X-ray diffraction; Dip coating; Thermolysis
Funding
- Department of Science and Technology, Government of India [SERI/2K10/25]
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A simple process for deposition of pure CZTS films from a methanolic solution of metal-thiourea complex is described. The precursor films are thermolysed at 200 degrees C in air for 10 min. Formation of kesterite CZTS is confirmed by X-ray diffraction (XRD). The films have grains of 100-200 nm and rms roughness of 1-2 nm. The energy band gap of CZTS films is 1.4 eV and is p-type in nature with electrical conductivity of 0.5 S/cm and thermo electric power coefficient of 86 mu V/K. The films are photoconducting. (C) 2012 Elsevier B.V. All rights reserved.
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