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Sonochemical synthesis of large-scale single-crystal PbS nanorods

Published online by Cambridge University Press:  31 January 2011

S. M. Zhou ,
Y. S. Feng  and
L. D. Zhang
S. M. Zhou*
Affiliation:
Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China and Lingling University, Yongzhou 425000, People's Republic of China
Y. S. Feng
Affiliation:
Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
L. D. Zhang
Affiliation:
Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Large-scale single-crystal cubic PbS nanorods were successfully achieved by using ultrasound irradiation in certain ethylenediamine tetraacetic acid (EDTA) solutions, particularly in the solution of Pb:EDTA = 1:1. The obtained PbS nanorods were characterized using x-ray diffraction, scanning electron microscopy, transmission electron microscopy, energy-dispersed x-ray spectrometry, selected area electronic diffraction, and high-resolution transmission electron microscopy. The results reveal that the PbS nanorods with straight and uniform structure have a diameter of about 70–80 nm and length of about 1000 nm, where the growth mechanism is tentatively discussed. The successful synthesis of these cubic structure semiconductor PbS nanorods may open up new possibilities for using these materials as building blocks to create functional two-dimensional or three-dimensional nanostructured materials.

Type
Articles
Information
Journal of Materials Research , Volume 18 , Issue 5 , May 2003 , pp. 1188 - 1191
Copyright
Copyright © Materials Research Society 2003

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