Magnetic field dependence of singlet oxygen generation by nanoporous silicon

Jamaree Amonkosolpan, G N Aliev, D Wolverson, P A Snow, J J Davies

Research output: Contribution to journalArticle

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Abstract

Energy transfer from photoexcited excitons localized in silicon nanoparticles to adsorbed oxygen molecules excites them to the reactive singlet spin state. This process has been studied experimentally as a function of nanoparticle size and applied external magnetic field as a test of the accepted understanding of this process in terms of the exchange coupling between the nano-Si exciton and the adsorbed O2 molecules.
Original languageEnglish
Article number342
Pages (from-to)1-7
Number of pages7
JournalNanoscale Research Letters
Volume9
Early online date9 Jul 2014
DOIs
Publication statusPublished - 31 Jul 2014

Keywords

  • Singlet oxygen
  • porous silicon
  • photoluminescence
  • energy transfer

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