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- Title
CZTS synthesis in aqueous media by microwave irradiation.
- Authors
Madiraju, Venkata; Taneja, Kshitij; Kumar, Manoj; Seelaboyina, Raghunandan
- Abstract
Copper zinc tin sulfide (CuZnSnS, CZTS), a p-type semiconductor composed of non-toxic earth abundant elements, is a promising material for absorber layer application in thin film solar photovoltaics. The present work describes a relatively faster and reliable microwave irradiation technique to prepare CZTS powder in aqueous media. The CZTS phase of the as-synthesized powder was confirmed by X-ray diffraction and Raman spectroscopy. Optical properties i.e. band gap determined from Tauc plot of the optical absorption spectrum measured by UV-Vis spectroscopy was 1.27 eV, which is suitable for absorbing the solar radiation. The particle morphology studied under SEM and TEM analysis was found to be a 3D flower-like nanostructure formed from 2D layers of CZTS crystals. Further, the most probable mechanism for the formation of CZTS phase is explained.
- Subjects
SEMICONDUCTOR research; KESTERITE; MICROWAVES; AQUEOUS solutions; RAMAN spectroscopy; ABSORPTION spectra; X-ray diffraction; NANOSTRUCTURED materials synthesis
- Publication
Journal of Materials Science: Materials in Electronics, 2016, Vol 27, Issue 4, p3152
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-015-4137-2