Ce-induced single-crystalline hierarchical zinc oxide nanobrushes

  • Gong H
  • Zhong J
  • Zhou S
 et al. 
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Abstract

High-density hierarchical brush-like nanostructures of Ce-doped ZnO are first synthesized by a two-step approach (sol-gel and chemical vapor deposition). This novel structure, called nanobrush, is a new member in the family of hexagonal crystal ZnO nanostructures, which is composed of two parts: a micron-sized prism-like base and nano-sized vertical nanorod arrays. The nanobrush is enclosed by the (0001) and {01 over(1, -) 0} facets and grows towards the [0001] direction. Room-temperature photoluminescence (RTPL) spectra show a weak UV emission but a strong broad green emission. © 2008 Elsevier Ltd. All rights reserved.

Author-supplied keywords

  • II-VI semiconductors
  • Nanobrushes
  • ZnO

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