Macromolecular Research

, Volume 21, Issue 6, pp 636–640 | Cite as

Fabrication of stable electrospun TiO2 nanorods for high-performance dye-sensitized solar cells

  • Yeong Don Park
  • Keita Anabuki
  • Sumin Kim
  • Kyung-Won Park
  • Dong Hyun Lee
  • Soong Ho Um
  • Jooyong Kim
  • Jeong Ho Cho


TiO2 multi-electrodes composed of nanoparticles and nanorods were prepared for use as electrodes in dye-sensitized solar cells (DSSC) in an effort to improve the light-to-electricity conversion efficiency. TiO2 nanorods have been successfully prepared via electrospinning methods using a solution containing titanium isopropoxide (TIP). Acetic acid is generally used as a catalyst in sol-gel processes involving TIP; however, acetic acid induces rapid solidification of the sol solution, resulting in clogging of the nozzle during electrospinning, thereby hindering the mass production of TiO2 nanorods. In this work, we introduced acetyl acetone as a new catalyst and optimized the electrospinning conditions of TiO2 nanofibers. The use of acetyl acetone catalysts dramatically extended the solidification time of the TIP sol solution. The DSSC efficiency was improved through the use of TiO2 multi-electrodes.


TiO2 nanorod electrospinning dye-sensitized solar cells (DSSC) sol-gel process acetyl acetone 


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Copyright information

© The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht 2013

Authors and Affiliations

  • Yeong Don Park
    • 1
  • Keita Anabuki
    • 2
  • Sumin Kim
    • 3
  • Kyung-Won Park
    • 4
  • Dong Hyun Lee
    • 5
  • Soong Ho Um
    • 6
  • Jooyong Kim
    • 2
  • Jeong Ho Cho
    • 6
  1. 1.Department of Energy and Chemical EngineeringUniversity of IncheonIncheonKorea
  2. 2.Department of Organic Materials and Fiber EngineeringSoongsil UniversitySeoulKorea
  3. 3.School of ArchitectureSoongsil UniversitySeoulKorea
  4. 4.Department of Chemical EngineeringSoongsil UniversitySeoulKorea
  5. 5.Department of Polymer Science and EngineeringDankook UniversityGyeonggiKorea
  6. 6.SKKU Advanced Institute of Nanotechnology (SAINT) and Center for Human Interface Nano Technology (HINT), School of Chemical EngineeringSungkyunkwan UniversityGyeonggiKorea

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