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A Comparative Study on Optoelectronic Properties of Dye-sensitized Solar Cells using TiO2-ZnO Photo anodes

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Title A Comparative Study on Optoelectronic Properties of Dye-sensitized Solar Cells using TiO2-ZnO Photo anodes
 
Creator Ranwa, Kanchan
Khakhal, Hukma Ram
Preetisoni
Pansambal, Shreyas
Varma, Rajender S
Vyas, Shweta
 
Subject Dye-sensitized solar cell
DSSC
TiO2-ZnO composite
Impedance analysis
 
Description 304-309
In present study, dye-sensitized solar cells (DSSC) are fabricated using bare TiO2, ZnO and TiO2-ZnO nanocomposite
via doctor’s blade method with N719 sensitizer and platinum-free carbon deposited counter electrode. The ensued TiO2-ZnO
(1:1) composite films of photoanodes are characterized with UV-Vis Spectroscopy to investigate the band gaps of bare TiO2,
ZnO and their composite, in the range of 3.21- 3.31 eV. SEM studies are performed to analyze the surface morphology
wherein the TiO2-ZnO composite photoelectrode, displayed additional prominent porosities than the bare TiO2/ZnO. The
photo conversion efficiency of the cells based on TiO2, ZnO and their composite were observed as 1.08%, 0.98%, and
1.49%, respectively, which is higher for composite due to low series resistance, high optical absorption, high recombination
resistance and longer lifetime as evaluated by impedance analysis. This strategy of using TiO2-ZnO nanocomposite
photoanode could pave the way for performance improvement in a cost-effective manner for DSSCs.
 
Date 2024-03-21T05:09:44Z
2024-03-21T05:09:44Z
2024-03
 
Type Article
 
Identifier 0975-0959 (Online); 0301-1208 (Print)
http://nopr.niscpr.res.in/handle/123456789/63611
https://doi.org/10.56042/ijpap.v62i4.7161
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJPAP Vol.62(04) [April 2024]