NDLI: Current-voltage characteristics of Cu2ZnSnS4 absorber layer for energy harvesting devices

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Current-voltage characteristics of Cu2ZnSnS4 absorber layer for energy harvesting devices

Content Provider	Scilit
Author	Baskaran, V. Sakthivel, S.
Copyright Year	2019
Description	Journal: Materials Research Express Environment friendly Copper-Zinc-Tin-Sulphide (CZTS) / Cadmium sulfide (CdS) thin film solar cells have been fabricated by sequential vacuum thermal evaporation technique. The developed CZTS films having the thickness of 1µm from layer by layer deposition of Cu : ZnS : Sn precursors having various compositional ratios (2:1:1, 2:1.5:1 and 2:2:1). Structural and morphological information of CZTS films were analyzed by XRD, Raman and SEM. The structural analysis showed increase with thickness and grain size increases whereas strain and dislocation density decreases. UV-Vis absorption studies revealed that CZTS thin films have an optical band gap around 1.5 eV and it shows a large absorption coefficient ( >104cm-1). Four probe and Hall measurements indicate that CZTS thin film has the resistivity from 1.5 - 2.96 Ω-cm and the hole concentration from the value 9.1×1016 - 2.09 x 1018 N (cm-3). The deposited film CZTS were annealed at 500C, to avoid forming binary compounds.Thin film solar cell has the structure of ITO/Mo/CZTS/CdS/i-ZnO/Al-grid/ITO exhibits the photovoltaic conversion efficiency of 5.6 % under Air Mass (AM) 1.5 conditions and its photovoltaic performances were examined. This approach is favoured due to cell efficiency has a very large influence on the acceptable manufacturing cost of a PV module.
Related Links	https://iopscience.iop.org/article/10.1088/2053-1591/ab6f34/pdf
ISSN	20531591
e-ISSN	20531591
DOI	10.1088/2053-1591/ab6f34
Journal	Materials Research Express
Issue Number	12
Volume Number	6
Language	English
Publisher	IOP Publishing
Publisher Date	2019-12-01
Access Restriction	Open
Subject Keyword	Journal: Materials Research Express Condensed Matter Physics Film Solar Cells Czts Films Thin Film
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Metals and Alloys Biomaterials Electronic, Optical and Magnetic Materials Polymers and Plastics

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