Synthesis and Characterizations of p-Type Kesterite Ag2ZnSnS4 Thin Films Deposited by Spray Pyrolysis

The fabrication of absorber materials based on kesterite materials has attracted considerable attention in recent articles owing to their excellent optical and electrical properties. In this work, we present the synthesis of Ag 2 ZnSnS 4 films with different thicknesses using a cost-effective spray...

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Bibliographic Details
Published in:Journal of electronic materials 2020-06, Vol.49 (6), p.3591-3598
Main Author: El Radaf, I. M.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Data analysis
Electrical properties
Electronics and Microelectronics
Energy gap
Film thickness
Instrumentation
Materials Science
Optical and Electronic Materials
Optical properties
Parameters
Solid State Physics
Spray pyrolysis
Synthesis
Thin films
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Summary:The fabrication of absorber materials based on kesterite materials has attracted considerable attention in recent articles owing to their excellent optical and electrical properties. In this work, we present the synthesis of Ag 2 ZnSnS 4 films with different thicknesses using a cost-effective spray pyrolysis method. X-ray diffraction was used to check the tetragonal phase and the highly oriented nature of the Ag 2 ZnSnS 4 films. Optical data analysis indicates that a direct allowed transition has appeared in the Ag 2 ZnSnS 4 thin films. The optical results reveal that the energy gap decreases from 1.5 eV to 1.23 eV via enlarging the film thickness of the Ag 2 ZnSnS 4 thin films. Moreover, the dispersion parameters obtained via the Wemple–DiDomenico model and the nonlinear optical parameters of the Ag 2 ZnSnS 4 samples were computed and analyzed.
ISSN:0361-5235
1543-186X
DOI:10.1007/s11664-020-08063-4