Multiple excitons and the electron–phonon bottleneck in semiconductor quantum dots: An ab initio perspective

The article presents the current perspective on the nature of photoexcited states in semiconductor quantum dots

Oleg V. Prezhdo

2008

Scholarcy highlights

  • The article presents the current perspective on the nature of photoexcited states in semiconductor quantum dots
  • The focus is on multiple excitons and photo-induced electron–phonon dynamics in PbSe and CdSe QDs, and the advocated view is rooted in the results of ab initio studies in both energy and time domains
  • As a new type of material, semiconductor QDs represent the borderline between chemistry and physics, exhibiting both molecular and bulk-like properties
  • The photoexcited state dynamics in PbSe and CdSe quantum dots are analyzed by ab initio time- and energy-domain techniques, with the focus on multiple excitons and electron-phonon relaxation
  • In 2002, he was promoted to Associate Professor and in 2005 to Full Professor. His current research interests range from the fundamental aspects of quantum, classical, and semiclassical dynamics to time-domain density functional theory to photoexcitations in quantum dots, carbon nanotubes, molecule-semiconductor interfaces, and ozone layer to order–disorder transitions in electro-optic polymers and to the biological catch-bond

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