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Issue 16, 2015
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Heat-induced transformation of CdSe–CdS–ZnS core–multishell quantum dots by Zn diffusion into inner layers

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Abstract

In this work, we investigate the thermal evolution of CdSe–CdS–ZnS core–multishell quantum dots (QDs) in situ using transmission electron microscopy (TEM). Starting at a temperature of approximately 250 °C, Zn diffusion into inner layers takes place together with simultaneous evaporation of particularly Cd and S. As a result of this transformation, CdxZn1−xSe–CdyZn1−yS core–shell QDs are obtained.

Graphical abstract: Heat-induced transformation of CdSe–CdS–ZnS core–multishell quantum dots by Zn diffusion into inner layers

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Publication details

The article was received on 31 Oct 2014, accepted on 21 Nov 2014 and first published on 21 Nov 2014


Article type: Communication
DOI: 10.1039/C4CC08647C
Citation: Chem. Commun., 2015,51, 3320-3323
  • Open access: Creative Commons BY license
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    Heat-induced transformation of CdSe–CdS–ZnS core–multishell quantum dots by Zn diffusion into inner layers

    A. O. Yalcin, B. Goris, R. J. A. van Dijk-Moes, Z. Fan, A. K. Erdamar, F. D. Tichelaar, T. J. H. Vlugt, G. Van Tendeloo, S. Bals, D. Vanmaekelbergh, H. W. Zandbergen and M. A. van Huis, Chem. Commun., 2015, 51, 3320
    DOI: 10.1039/C4CC08647C

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