NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2016, 7 (4), P. 752–754
Application of gel electrolyte in dye sensitized solar cells
P. Nijisha – Department of Nanoscience and Technology, University of Calicut, Kerala–673635, India; nijisha31@gmail.com
N. M. Bhabhina – Department of Nanoscience and Technology, University of Calicut, Kerala–673635, India; bhabhinanm@gmail.com
S. Sindhu – Department of Nanoscience and Technology, University of Calicut, Kerala–673635, India; sindhu.swaminath@gmail.com
The volatility of liquid electrolytes has been a major problem for their application in dyesensitized solar cells (DSSC). In this study, liquid electrolyte was replaced by polymer based gel electrolyte. Polyvinyl alcohol is chosen as the polymeric matrix to gelate the liquid electrolyte with iodidetriiodide redox couple and suitable organic solvent. The amorphous nature and the physical cross linking formed between polymerpolymer and polymersolvent is analyzed from XRD and FTIR. Cell was fabricated and characterization was done. IV and EIS measurements of the cell was taken. Easy fabrication and its advantages over liquid electrolyte makes gel electrolyte a promising alternative for liquid electrolyte.
Keywords: dye sensitized solar cells, quasi solid state dye sensitized solar cells, gel electrolyte.
PACS 88.40.fh, 88.40.H, 88.40.hj, 88.40.J
DOI 10.17586/2220-8054-2016-7-4-752-754
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