• DocumentCode
    689912
  • Title

    Ultrafast red-shift of biexciton binding energy by multiple exciton generation in PbS quantum dots

  • Author

    Younghwan Choi ; Seongchu Lim ; Young Hee Lee ; Hyunyong Choi

  • Author_Institution
    Sch. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
  • fYear
    2013
  • fDate
    9-14 June 2013
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    Using ultrafast pump-probe spectroscopy, we investigate the exciton-exciton interaction in PbS quantum dot, and show that the biexciton binding energy is strongly altered by the extra single-exciton generated by the carrier multiplication process.
  • Keywords
    IV-VI semiconductors; biexcitons; high-speed optical techniques; lead compounds; red shift; semiconductor quantum dots; PbS; PbS quantum dots; biexciton binding energy; carrier multiplication process; exciton-exciton interaction; extra single-exciton; multiple exciton generation; ultrafast pump-probe spectroscopy; ultrafast red-shift; Educational institutions; Energy measurement; Excitons; Physics; Quantum dots; Semiconductor device measurement; Spectroscopy;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2013 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6834302