Nano Archive

Porous ZnO nanobelts: synthesis, mechanism, and morphological evolutions

Cao, Xia and Wang, Ning and Wang, Long and Guo, Lin (2009) Porous ZnO nanobelts: synthesis, mechanism, and morphological evolutions. Journal of Nanoparticle Research, 12 (1). pp. 143-150.

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Porous ZnO nanobelts with rough surface and poly-crystalline nature have been developed from a facile wet chemical method. The as-prepared products were characterized by X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), cold field emission scanning electron microscopy (CFE-SEM), and energy dispersive analysis of X-rays (EDAX). The ZnO nanobelts were synthesized with usually 5 to 6 nm in thickness, 10 to 40 nm in width, and about several micrometers in length. A PVP promoted self-assembly mechanism is believed to be responsible for the morphology shaping process of the ZnO nanostructures. This first wet chemical synthesis of such hierarchical structures without any hard templates implies a simple and inexpensive way to prepare transition metal superstructures on a large scale for modern chemical synthesis. Optical characterization by a confocal laser Raman were also carried out to explore their optical properties; the PL and Raman results showed both good agreement with the characters of our samples and potential for future applications such as sensors and other modern technologies.

Item Type:Article
Uncontrolled Keywords:ZnO - Nanowire - Porous - PVP - Soft template - PL - Nanostructure
Subjects:Analytical Science > Microscopy and probe methods
Material Science > Nanostructured materials
ID Code:8136
Deposited By:IoN
Deposited On:12 Feb 2010 16:27
Last Modified:12 Feb 2010 16:27

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