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Synthesis of zinc oxide nanorods in ionic liquid via ultrasonic irradiation

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4 Author(s)
Hai-yan Wang ; Key Lab. of Modern Acoust., Nanjing Univ., Nanjing, China ; Yue-tao Yang ; Xiao-jun Liu ; Shu-yi Zhang

Zinc oxide is a versatile material that has achievable applications in piezoelectric transducers, nanogenerators, transparent electrodes and etc. Currently, sonochemical processes have been proved to be a useful technique for generating various nanostructured materials. In this work, we have developed a method for the synthesis of ZnO nanostructures, by combining the advantages of both ionic liquid and ultrasound. A simple approach for the preparation of ZnO nanorods via ultrasonic irradiation in 1-butyl-3-methylimidazolium tetrafluoroborate (BmimBF4) is reported. The morphology and properties of ZnO nanorods have been characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM) and photoacoustic (PA) spectroscopy. A possible mechanism is proposed to explain the formation of ZnO nanostructures.

Published in:

Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA) and 2009 China Symposium on Frequency Control Technology, Joint Conference of the 2009 Symposium on

Date of Conference:

17-20 Dec. 2009