Morphology-Controlled Synthesis of 1D ZnO Nanostructures by Hydrothermal Technique

Abstract:

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A two-step hydrothermal synthesis technique has been developed to obtained 1D ZnO nanostructures with adjustable aspect ratio and size distribution. The pre-curing process has important influence on the morphological, structural and optical properties. The LO phonons of the nanowires obtained by pre-curing for 24 h exhibit slight batho-shift in comparison with nanorods. The increase of the intensity ratio of ultraviolet to visible emissions in room-temperature photoluminescence spectra show the improvement in the quality of ZnO nanostructures as the pre-curing time prolonged. The fitting result of EX energy at T=0 is 3.382 and 3.370 eV for ZnO nanowires and nanorods, respectively.

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Periodical:

Edited by:

Deliang Chen

Pages:

17-21

DOI:

10.4028/www.scientific.net/AMR.266.17

Citation:

Z. D. Cai et al., "Morphology-Controlled Synthesis of 1D ZnO Nanostructures by Hydrothermal Technique", Advanced Materials Research, Vol. 266, pp. 17-21, 2011

Online since:

June 2011

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Price:

$35.00

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