Fabrication and characterization of dye-sensitized solar cells from rutile nanofibers and nanorods

Lijo Francis*, A. Sreekumaran Nair, R. Jose, S. Ramakrishna, V. Thavasi, E. Marsano

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

52 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)627-632
Number of pages6
Issue number1
StatePublished - Jan 1 2011


  • Dye-sensitized solar cells
  • Electrospinning
  • Rutile phase

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Pollution
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


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