• DocumentCode
    2672653
  • Title

    Photosynthetic light-harvesting by carotenoids: detection of an intermediate excited state

  • Author

    Cerullo, G. ; Polli, D. ; Lanzani, G. ; De Silvestri, S. ; Hashimoto, H. ; Cogdell, R.J.

  • Author_Institution
    Nat. Lab. for Ultrafast & Ultraintense Opt. Sci., Politecnico di Milano, Milan, Italy
  • fYear
    2003
  • fDate
    6-6 June 2003
  • Abstract
    We present the first direct evidence of an intermediate excited state mediating internal conversion in carotenoids. Transition to this state occurs within /spl ap/50 fs. This result changes the description of the primary step in photosynthesis.
  • Keywords
    excited states; organic compounds; photosynthesis; time resolved spectra; carotenoids; chlorophylls; energy transfer pathways; femtosecond pulses; intermediate excited state detection; photoexcitation; photosynthesis; photosynthetic light-harvesting; Absorption; Biomedical optical imaging; Delay; Energy resolution; Kinetic theory; Laboratories; Optical pulses; Probes; Pulse amplifiers; Ultrafast optics;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
  • Conference_Location
    Baltimore, MD, USA
  • Print_ISBN
    1-55752-749-0
  • Type

    conf

  • DOI
    10.1109/QELS.2003.238330
  • Filename
    1276447
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2672653