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Publisher : Energy
Source : Energy, Volume 36, Number 1, p.627-632 (2011)
Keywords : Acetic acid, Broken down, crystal structure, dye, Dye-Sensitized solar cell, Electrospinning, Ethanol, Ethanol mixtures, Fibers, ketone, Mechanical grinding, Nanofibers, Nanorods, Oxide minerals, performance assessment, Photoelectrochemical cells, Poly(vinyl pyrrolidone), Polycrystalline, Polycrystallinity, polymer, Polymeric sols, Porous fibers, rutile, Rutile phase, Rutile titania, Scanning and transmission electron microscopy, scanning electron microscopy, Sintering, Solar cells, solar power, Solar radiation, TiO, Titanium, Titanium dioxide, Titanium precursors, transmission electron microscopy, X ray diffraction, X ray diffraction analysis, X-Ray Diffraction
School : Center for Nanosciences
Department : Nanosciences and Molecular Medicine
Year : 2011
Abstract : Rutile titania (TiO2) nanofibers were prepared by electrospinning a polymeric sol containing a titanium precursor and Poly(vinylpyrrolidone) in acetic acid-ethanol mixture and subsequent sintering of the fibers at 800 °C. The resultant continuous, polycrystalline porous fibers contained TiO2 grains of 15-20 nm sizes. The continuous fibers were broken down into nanorods by mechanical grinding. Morphology of the nanofibers and nanorods was characterized by scanning and transmission electron microscopies. The crystal structure and polycrystallinity of the fibers were further confirmed by X-ray diffraction analysis. Dye-sensitized solar cells (DSCs) fabricated from the nanofibers and rutile nanorods, respectively, showed superior performance with the later. © 2010 Elsevier Ltd.
Cite this Research Publication : L. Francis, A. Nair, S., Jose, R., Ramakrishna, S., Thavasi, V., and Marsano, E., “Fabrication and characterization of dye-sensitized solar cells from rutile nanofibers and nanorods”, Energy, vol. 36, pp. 627-632, 2011.