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Yalcin, A.O. (author), Goris, B. (author), Van Dijk-Moes, R.J.A. (author), Fan, Z. (author), Erdamar, A.K. (author), Tichelaar, F.D. (author), Vlugt, T.J.H. (author), Van Tendeloo, G. (author), Bals, S. (author), Vanmaekelbergh, D. (author), Zandbergen, H.W. (author), Van Huis, M.A. (author)
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...
journal article 2014
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Yalcin, A.O. (author), Fan, Z. (author), Goris, B. (author), Li, W.F. (author), Koster, R.S. (author), Fang, C.M. (author), Van Blaaderen, A. (author), Casavola, M. (author), Tichelaar, F.D. (author), Bals, S. (author), Van Tendeloo, G. (author), Vlugt, T.J.H. (author), Vanmaekelbergh, D. (author), Zandbergen, H.W. (author), Van Huis, M.A. (author)
Here, we show a novel solid?solid?vapor (SSV) growth mechanism whereby epitaxial growth of heterogeneous semiconductor nanowires takes place by evaporation-induced cation exchange. During heating of PbSe-CdSe nanodumbbells inside a transmission electron microscope (TEM), we observed that PbSe nanocrystals grew epitaxially at the expense of CdSe...
journal article 2014