High-Yield Self-Assembly of Flower-Like ZnO Nanostructures
Authors: Jiang, Lei; Feng, Xinjian; Zhai, Jin; Jin, Meihua; Song, Yanlin; Zhu, Daoben
Source: Journal of Nanoscience and Nanotechnology, Volume 6, Number 6, June 2006 , pp. 1830-1832(3)
Publisher: American Scientific Publishers
Abstract:High-yield three-dimensional (3D) flower-like nanostructures self-assembled from 1D ZnO nanorods and nanotubes are experimentally demonstrated. The Zn and O terminated crystal planes of ZnO nanorods results in positively and negatively charged top (001) and bottom (00-1) surfaces, respectively. The nanorods self-assembled into 3D nanostructures via the electrostatic interaction between the crystal planes with opposite charges. Moreover, on the basis of the different stability of polar and nonpolar planes in wurtzite-type ZnO, the nanorods based 3D nanostructures transformed into nanotubes based ones spontaneously. This provides a new approach to prepare multi-dimensional materials without the necessity to employ any external intervention.
Document Type: Short Communication
Publication date: 2006-06-01
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