A new strategy on utilizing nitrogen doped TiO2 in nanostructured solar cells: Embedded multifunctional N-TiO2 scattering particles in mesoporous photoanode
作者： Shiva Shogh , Raheleh Mohammadpour , Azam Iraji zad , Nima Taghavinia
DOI: 10.1016/J.MATERRESBULL.2015.07.036
关键词: X-ray photoelectron spectroscopy 、 Mesoporous material 、 Materials science 、 Light scattering 、 Energy conversion efficiency 、 Nanotechnology 、 Chemical engineering 、 Doping 、 Dye-sensitized solar cell 、 Titanium dioxide 、 Scattering
摘要: Abstract Aggregated sub-micron size nitrogen doped TiO 2 (N-TiO ) particles with superior optical and electrical features were successfully synthesized for embedding into commercial mesoporous photoelectrode of dye sensitized solar cells (DSSCs) as the light scattering compared to undoped one. X-ray photoelectron spectroscopy absorption spectra confirmed that titanium dioxide is sufficiently by in N-TiO sample. Employing these high-surface cells, power conversion efficiency 8% has been achieved which shows 17% improvement optimum embedded level doping (30 wt%) without additive; while enhanced only 3% particles. These results can introduce novel multifunctional nanostructured values improved including trap states density reduction comparison photoelectrodes.
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