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- Title
ONE STEP ELECTROCHEMICAL DEPOSITION OF CZTS FOR SOLAR CELL APPLICATIONS.
- Authors
SANI, R.; MANIVANNAN, R.; VICTORIA, S. N.
- Abstract
Single step electrodeposition of Cu2ZnSnS4 (CZTS) on indium tin oxide (ITO) substrate at different pH was studied. The deposition potentials were found to move in the anodic direction with increase in pH of the electrolyte. X-ray diffraction analysis of the samples showed that the films formed at pH 1.55 were of decreased crystallinity whereas pH 2.5 and 5 showed the presence of crystalline kesterite phase particles. The size of the particles forming the film was found to increase with pH. UV-vis spectroscopy results revealed that the particles had a band gap energy in the range of 1.5-1.7 eV. Scanning electron microscopy analysis of the deposits showed that the deposits formed at pH 2.5 consist of uniformly sized particles. The elemental composition by energy dispersive analysis of X-rays showed that the deposits formed at pH 2.5 are closer to the required stoichiometry of 2:1:1:4. The IV characterization studies showed that the resistance of the deposits increases with increase in pH.
- Subjects
ELECTROPLATING; INDIUM tin oxide; ULTRAVIOLET spectroscopy; BIOCHEMICAL substrates; SCANNING electron microscopy; ENERGY dispersive X-ray spectroscopy
- Publication
Chalcogenide Letters, 2017, Vol 14, Issue 5, p165
- ISSN
1841-4834
- Publication type
Article