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Issue 8, 2011
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Low temperature solution-phase growth of ZnSe and ZnSe/CdSe core/shell nanowires

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Abstract

High quality ZnSe nanowires (NWs) and complementary ZnSe/CdSe core/shell species have been synthesized using a recently developed solution–liquid–solid (SLS) growth technique. In particular, bismuth salts as opposed to pre-synthesized Bi or Au/Bi nanoparticles have been used to grow NWs at low temperatures in solution. Resulting wires are characterized using transmission electron microscopy and possess mean ensemble diameters between 15 and 28 nm with accompanying lengths ranging from 4–10 μm. Subsequent solution-based overcoating chemistry results in ZnSe wires covered with CdSe nanocrystals. By varying the shell's growth time, different thicknesses can be obtained and range from 8 to 21 nm. More interestingly, the mean constituent CdSe nanocrystal diameter can be varied and results in size-dependent shell emission spectra.

Graphical abstract: Low temperature solution-phase growth of ZnSe and ZnSe/CdSe core/shell nanowires

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Publication details

The article was received on 15 Feb 2011, accepted on 30 Apr 2011 and first published on 06 Jun 2011


Article type: Paper
DOI: 10.1039/C1NR10176E
Citation: Nanoscale, 2011,3, 3145-3151
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    Low temperature solution-phase growth of ZnSe and ZnSe/CdSe core/shell nanowires

    N. Petchsang, L. Shapoval, F. Vietmeyer, Y. Yu, J. H. Hodak, I. Tang, T. H. Kosel and M. Kuno, Nanoscale, 2011, 3, 3145
    DOI: 10.1039/C1NR10176E

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