Photoexcited silicon nanocrystals as multifunctional spin-flip activator

Bernhard Goller, Sergej Polisski, Andriy Moskalenko, Konstantin Loponov, Dmitry Kovalev

Research output: Contribution to journalArticlepeer-review

Abstract

Nano-sized silicon crystals have entirely new physical properties which do not occur in its bulk form. Investigation of its photoluminescence properties can explain the mechanism of transferring energy from photoexcited excitons confined in silicon nanocrystals to energy accepting substances via electron exchange mechanism, This excitation process changes the electronic spin structure of the acceptor molecule, which is forbidden in the dipole approximation, and therefore it requires the involvement of photosensitizers.
Original languageEnglish
Pages (from-to)337-344
Number of pages8
JournalECS Transactions
Volume16
Issue number3
DOIs
Publication statusPublished - 2008
Event214th ECS Meeting - Honolulu, HI, USA United States
Duration: 1 Jan 2008 → …

Keywords

  • Photosensitizers
  • Spin dynamics
  • Nanocrystals
  • Crystals
  • Electric conductivity
  • Semiconducting silicon compounds

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