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N. NASR1, M. H. SAYYAD1,*
- Faculty of Engineering Sciences, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi, District Swabi, Khyber Pakhtunkhwa 23640, Pakistan
To improve the conversion efficiency of dye-sensitized solar cell, the cell was fabricated employing silver nanoparticles doped photoanode. The nanoparticles of silver were produced using the pulsed laser ablation technique. The I-V characteristics and impedance spectroscopic measurements were performed on the doped and undoped photoanode based devices under simulated AM 1.5 illumination (100 mWcm−2 ) and dark, respectively. The nanoparticles doped photoanode based plasmonic DSSC exhibited about 46.3 % higher efficiency than the reference cell. This boosted performance of the plasmonic DSSC can be attributed to enhanced interfacial charge transfer, decrease of charge recombination, decrease of series resistance and plasmonic enhanced absorption of radiation by the dye. The impedance spectra also revealed higher photovoltaic performance of the plasmonic cell..
Dye-sensitized solar cells, Efficiency enhancement, High performance TiO2 photoanode, Silver nanoparticles, Surface plasmon resonance (SRP) effect.
Submitted at: June 8, 2018
Accepted at: Nov. 29, 2018
N. NASR, M. H. SAYYAD, Enhanced performance in dye-sensitized solar cell via laser generated noble metal nanoparticles treatment of photoelectrode, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 11-12, pp. 618-623 (2018)
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