Ni-doped TiO2 Photoanode Electrodes for Dye-sensitized Solar Cells Applications

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Honarvar, Marjan | 2017

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Type of Document: M.Sc. Thesis
Language: English
Document No: 49851 (56)
University: Sharif University of Technology, International Campus, Kish Island
Department: Science and Engineering
Advisor(s): Mohammadi, Mohammad Reza
Abstract:
A new strategy for enhancing the efficiency of TiO2 dye sensitized solar cells (DSSCs) doped with Ni ions with different molar percentages (i.e., 0, 0.5, 1, 5 and 10 mol%) was reported. The samples were prepared by sol-gel route and characterized by means of XRD, DRS, UV-visible, FESEM and photovoltaic measurment techniques. It was found that Ni-doped TiO2 nanoparticles had a mixture of anatase, rutile and brookite crystal structures. Moreover, the band gap energy was decreased with increasing Ni molar ratio, The highest cell efficiency of 5.4% was achieved for 1mol% Ni-doped TiO2, being 42% greater than that of pure TiO2 nanoparticles
Keywords:
Efficiency ; Dye Sensitized Solar Cells ; Sol-Gel Method ; Nanoparticles ; Nickle Doped Titanium Dioxide

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