Polarized emission in II–VI and perovskite colloidal quantum dots

Maya Isarov, Liang Z. Tan, Jenya Tilchin, Freddy T. Rabouw, Maryna I. Bodnarchuk, Relinde Moes, Rotem Carmi, Yahel Barak, Alyssa Kostadinov, Itay Meir, Daniel Vanmaekelbergh, Maksym V. Kovalenko, Andrew M. Rappe, Efrat Lifshitz

Research output: Contribution to journalArticleAcademicpeer-review


The polarized emission of colloidal quantum dots from II–VI and perovskite semiconductors were investigated thoroughly, revealing information about the optical transitions in these materials and their potential use in various opto-electronic or spintronic applications. The studies included recording of the micro-photoluminescence of individual nanostructures at cryogenic temperatures, with or without the influence of an external magnetic field. The experimental conditions enabled detection of circular and/or linear polarized emission to elucidate the exciton manifolds, angular momentum of the emitting states, Landé g-factors, single exciton and bi-exciton binding energies, the excitons’ effective Bohr radii, and the unique influence of the Rashba effect. The study advances the understanding of other phenomena such as electron–hole dissociation, long diffusion lengths, and spin coherence, facilitating appropriate design of optical and spin-based devices.
Original languageEnglish
Article number214001
Number of pages14
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Issue number21
Publication statusPublished - 1 Nov 2017


  • colloidal quantum dots
  • core/shell heterostructures
  • alloyed interfaces
  • blinking-freebehavior
  • perovskites
  • magneto-optical properties
  • single dot spectroscopy


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