Thermally assisted optical processes in InP/ZnS quantum dots

Author:

Savchenko Sergey1,Vokhmintsev Alexander1,Karabanalov Maksim1,Zhang Yanning2,Henaish Ahmed13,Neogi Arup2ORCID,Weinstein Ilya14ORCID

Affiliation:

1. NANOTECH Centre, Ural Federal University, 620002 Ekaterinburg, Russia

2. Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, China

3. Physics Department, Tanta University, 31527 Tanta, Egypt

4. Institute of Metallurgy, Ural Branch of Russian Academy of Sciences, 620016 Ekaterinburg, Russia

Abstract

The optical bands of InP/ZnS QDs shift due to acoustic phonon interactions. Exciton emission quenching happens as electrons escape from the core to the shell via a distributed barrier, with quenching decreasing as shell thickness increases.

Funder

Ministry of Science and Higher Education of the Russian Federation

Publisher

Royal Society of Chemistry (RSC)

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