Issue 8, 2011
From the journal:

Nanoscale

Low temperature solution-phase growth of ZnSe and ZnSe/CdSe core/shell nanowires†

Nattasamon Petchsang,abd   Liubov Shapoval,c   Felix Vietmeyer,d   Yanghai Yu,e   Jose H. Hodak,f   I-Ming Tang,ab   Thomas H. Koselg  and  Masaru Kuno*d  

* Corresponding authors

a Mahidol University, Department of Physics, Rama 6, Bangkok, Thailand

b ThEP, Commission of Higher Education, Thailand Ministry of Education, Bangkok, Thailand

c Herzen State Pedagogical University of Russia, Chemistry Department, Moyka emb. 48, Saint-Petersburg, Russia

d University of Notre Dame, Department of Chemistry and Biochemistry, Notre Dame, IN, USA
E-mail: mkuno@nd.edu
Fax: +1 574-631-6652
Tel: +1 574-631-0494

e Department of Chemistry, University of Wisconsin-Madison, Madison, WI, USA

f DQIAyQF/INQUIMAE—FCEN Universidad de Buenos Aires Ciudad Universitaria, Pab. 2, piso 3, Buenos Aires, Argentina

g University of Notre Dame, Department of Electrical Engineering, Notre Dame, IN, USA

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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Article information

DOI
https://doi.org/10.1039/C1NR10176E
Article type
Paper
Submitted
15 Feb 2011
Accepted
30 Apr 2011
First published
06 Jun 2011

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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