Research Paper

Journal of Nanoparticle Research

, Volume 12, Issue 1, pp 143-150

Porous ZnO nanobelts: synthesis, mechanism, and morphological evolutions

  • Xia CaoAffiliated withSchool of Materials Science and Engineering, Jiangsu University of Science and TechnologySchool of Chemistry and Environmental Engineering, Beijing University of Aeronautics and Astronautics
  • , Ning WangAffiliated withSchool of Chemistry and Environmental Engineering, Beijing University of Aeronautics and Astronautics Email author 
  • , Long WangAffiliated withZhongshan Torch polytechnic
  • , Lin GuoAffiliated withSchool of Chemistry and Environmental Engineering, Beijing University of Aeronautics and Astronautics Email author 

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Abstract

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.

Keywords

ZnO Nanowire Porous PVP Soft template PL Nanostructure