High-temperature growth of thick-shell CdSe/CdS core/shell nanoplatelets†
Andreas
Riedinger, 
ab
Patricia
Marqués-Gallego,
a
Philippe N.
Knüsel,
a
Felipe V.
Antolinez
a
and
David J.
Norris
*a
ab
Patricia
Marqués-Gallego,
a
Philippe N.
Knüsel,
a
Felipe V.
Antolinez
a
and
David J.
Norris
*a
Abstract
To optimize the optical properties of semiconductor nanoplatelets, simple routes to add high-quality shells are needed. We demonstrate uniform growth of CdS shells on CdSe nanoplatelets at 300 °C, overcoming limitations of previous low-temperature syntheses. We obtain core/shell nanoplatelets with spectrally narrow (20 nm) and efficient emission for shells up to 4 nm thick.
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