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Optically active II-VI semiconductor nanocrystals via chiral phase transfer

  • Maria V. Mukhina (a1), Vladimir G. Maslov (a1), Ivan V. Korsakov (a1), Finn Purcell Milton (a2), Alexander Loudon (a2), Alexander V. Baranov (a1), Anatoly V. Fedorov (a1) and Yurii K. Gun’ko (a1) (a2)...

Abstract

We report optically active ensembles of II-VI semiconductor nanocrystals prepared via chiral phase transfer, which is initiated by exchange of the original achiral ligands capping the nanocrystals surfaces for chiral L- and D-cysteine. We used this method to obtain ensembles of CdSe, CdS, ZnS:Mn, and CdSe/ZnS quantum dots and CdSe/CdS quantum rods exhibited Circular Dichroism (CD) and Circularly Polarized Luminescence (CPL) signals. The optically active nanocrystals revealed the CD and CPL bands strongly correlated with absorption and luminescence bands with unique band “pattern” for each material and the nanocrystal shape.

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Optically active II-VI semiconductor nanocrystals via chiral phase transfer

  • Maria V. Mukhina (a1), Vladimir G. Maslov (a1), Ivan V. Korsakov (a1), Finn Purcell Milton (a2), Alexander Loudon (a2), Alexander V. Baranov (a1), Anatoly V. Fedorov (a1) and Yurii K. Gun’ko (a1) (a2)...

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