• DocumentCode
    644500
  • Title

    Fast electron trapping in anodized TiO2 nanotubes

  • Author

    Wehrenfennig, C. ; Palumbiny, C.M. ; Schmidt-Mende, L. ; Johnston, Michael B. ; Snaith, H.J. ; Herz, L.M.

  • Author_Institution
    Clarendon Lab., Univ. of Oxford, Oxford, UK
  • fYear
    2013
  • fDate
    1-6 Sept. 2013
  • Firstpage
    1
  • Lastpage
    1
  • Abstract
    We studied charge transport in anodized TiO2 nanotubes in the context of their application in dye-sensitized solar cells. Optical-pump-THz-probe spectroscopy revealed short free carrier lifetimes of about 15-30 ps, which we attribute to shallow trapping.
  • Keywords
    anodisation; carrier lifetime; charge exchange; electron traps; optical pumping; semiconductor nanotubes; solar cells; terahertz wave spectra; titanium compounds; TiO2; anodized nanotubes; charge transport; dye-sensitized solar cells; fast electron trapping; free carrier lifetimes; optical-pump-THz-probe spectroscopy; Electron traps; Nanoparticles; Nanotubes; Photovoltaic cells; Physics; Transient analysis;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on
  • Conference_Location
    Mainz
  • Type

    conf

  • DOI
    10.1109/IRMMW-THz.2013.6665468
  • Filename
    6665468
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=644500