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Improvement of sprayed CuZnS/In2S3 solar cell efficiency by making multiple band gap nature more prominent.
- Source :
- Journal of Renewable & Sustainable Energy; 2016, Vol. 8 Issue 2, p023502-1-023502-7, 7p, 1 Black and White Photograph, 1 Chart, 8 Graphs
- Publication Year :
- 2016
-
Abstract
- CuZnS is a new promising material in thin film photovoltaics which is earth abundant and eco-friendly. Its electrical and optical properties can be controlled by varying atomic ratios of Copper and Zinc, so as to use it as absorber or window layers. Type of conductivity of this material can also be changed from n to p by adjusting Cu/Zn value. In the present work, we report improvement of cell parameters of CuZnS/In<subscript>2</subscript>S<subscript>3</subscript> hetero junction considerably from our own earlier reported values just by increasing Cu to Zn ratio in CuZnS. Current density increased from 5.4 mA/cm<superscript>2</superscript> to 10.7 mA/cm<superscript>2</superscript>, thereby enhancing conversion efficiency from 1% to 1.95%. Results are explained on the basis of improvement of multiple band structure. [ABSTRACT FROM AUTHOR]
- Subjects :
- SOLAR cells
COPPER
ZINC
BAND gaps
DIRECT energy conversion
THERMAL conductivity
Subjects
Details
- Language :
- English
- ISSN :
- 19417012
- Volume :
- 8
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Journal of Renewable & Sustainable Energy
- Publication Type :
- Academic Journal
- Accession number :
- 115060251
- Full Text :
- https://doi.org/10.1063/1.4944957