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Heat-induced transformation of CdSe-CdS-ZnS core-multishell quantum dots by Zn diffusion into inner layers.
Yalcin, Anil O; Goris, Bart; van Dijk-Moes, Relinde J A; Fan, Zhaochuan; Erdamar, Ahmet K; Tichelaar, Frans D; Vlugt, Thijs J H; Van Tendeloo, Gustaaf; Bals, Sara; Vanmaekelbergh, Daniël; Zandbergen, Henny W; van Huis, Marijn A.
Afiliação
  • Yalcin AO; Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands. a.o.yalcin@tudelft.nl.
Chem Commun (Camb) ; 51(16): 3320-3, 2015 Feb 25.
Article em En | MEDLINE | ID: mdl-25431813
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.
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Sulfetos / Zinco / Compostos de Zinco / Compostos de Selênio / Compostos de Cádmio / Pontos Quânticos / Temperatura Alta Idioma: En Ano de publicação: 2015 Tipo de documento: Article
Texto completo
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Sulfetos / Zinco / Compostos de Zinco / Compostos de Selênio / Compostos de Cádmio / Pontos Quânticos / Temperatura Alta Idioma: En Ano de publicação: 2015 Tipo de documento: Article