Abstract

This chapter gives an overview of the spin properties of semiconductor colloidal nanocrystals. We consider the energy and spin-level fine structures in colloidal quantum dots and nanoplatelets and their modification in an external magnetic field. We show how spectroscopic, time-resolved, and magneto-optical experimental approaches can be used for colloidal nanocrystals in order to get information on exciton states as well as the spin dynamics of excitons and charge carriers. We demonstrate that spin-dependent phenomena give access to further properties of colloidal nanocrystals, like the surface states and their spins, the photocharging dynamics, the carrier localization within a nanocrystal, etc.

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