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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 879Structural Behavior of Ni-Doped TIO2 Nanoparticles...

Structural Behavior of Ni-Doped TIO₂ Nanoparticles and its Photovoltaic Performance on Dye-Sensitized Solar Cell (DSSC)

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Abstract:

Different concentrations of Ni-doped anatase TiO₂ nanoparticles were prepared by ice-bath co-precipitation method to examine the effects of various Ni²⁺ concentrations on the power exchange mechanism in photovoltaic performances of dye-sensitized solar cells (DSSC). X-ray powder diffraction (XRD) revealed a single anatase phase present in all samples together with three times reduction of particle size with the addition of Ni²⁺. Nanoparticle size exhibited better uniformity under scanning electron microscopy (SEM) with an increase of Ni²⁺ ions. Fourier Transform Infrared Spectroscopy (FTIR) confirmed the formation of Ti-O-Ni bonding due to sharpened and enhanced intensity of the bands in the range of 500-1000 cm^-1 and 910-1030 cm^-1. Ni²⁺concentrations also increased both open-circuit voltage (Voc) and short-circuit current (I_sc). The optimum concentration of Ni-doping obtained was at 0.075M of Ni which shows a maximum DSSC efficiency of 0.38%.

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Periodical:

Advanced Materials Research (Volume 879)

Pages:

199-205

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.879.199

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Online since:

January 2014

Authors:

Siti Nur Fadhilah Zainudin, Markom Masturah, Huda Abdullah

Keywords:

Anatase TiO₂, Co-Precipitation, Dye-Sensitized Solar Cell, Ni Doping, Optimization

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