Magnetic Circular Dichroism in 2D Colloidal Semiconductor Nanocrystals
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Magnetic circular dichroism (MCD) spectra were measured for colloidal CdSe/CdS core–wing nanoplatelets (NPLs). MCD spectra of CdSe cores demonstrate well resolved features which could be attributed to excitonic transitions from heavy hole, light hole and split-off sublevels. A1/D0, B0/D0 MCD characteristic terms were determined. The values of A1/D0, B0/D0 terms have no dependence on NPL thickness and are very close to the corresponding values in organic molecules.
This work was funded by RFBR Project 17-52-50004. Y.A.G. and S.A.C. acknowledge the Ministry of Education and Science of the Russian Federation for support via the Scholarships of the President of the Russian Federation for Young Scientists and Graduate Students.
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