• DocumentCode
    1685755
  • Title

    Ultrafast charge separation in low band-gap polymer blend for photovoltaics

  • Author

    Maiuri, Margherita ; Grancini, Giulia ; Fazzi, Daniele ; Egelhaaf, Hans-J ; Brida, Daniele ; Lanzani, Guglielmo ; Cerullo, Giulio

  • Author_Institution
    Dipt. di Fis., Politec. di Milano, Milan, Italy
  • fYear
    2012
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We observe ultrafast charge dissociation in a promising low-band-gap-polymer:fullerene blend for organic photovoltaics. An hot charge transfer state, precursor of free carriers, is formed in ~30 fs upon impulsive photoexcitation with excess energy.
  • Keywords
    charge transfer states; fullerenes; high-speed optical techniques; narrow band gap semiconductors; photoexcitation; photovoltaic effects; polymer blends; excess energy; free carriers; hot charge transfer state; impulsive photoexcitation; low-band-gap-polymer:fullerene blend; organic photovoltaics; ultrafast charge dissociation; Charge transfer; Chemicals; Photovoltaic systems; Polymers; Probes; Tin;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2012 Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-4673-1839-6
  • Type

    conf

  • Filename
    6326875