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Nano Research

, Volume 1, Issue 3, pp 221–228 | Cite as

Growth and optical applications of centimeter-long ZnO nanocombs

  • Ke Yu
  • Qiuxiang Zhang
  • Jin Wu
  • Lijun Li
  • Yu’e Xu
  • Shaohua Huang
  • Ziqiang Zhu
Open Access
Research Article

Abstract

Ultralong ZnO nanocombs have been synthesized on silicon substrates with a high growth rate of ∼7 μm/s using a simple “thermal evaporation and condensation” method promoted by Cu catalysts. The lengths of the ZnO nanocombs range from several millimeters to more than one centimeter and the diameters of the branches are about 300 nm. The growth mechanism of the ultralong nanocombs and the catalytic behavior of the copper are discussed. The nanocombs were readily separated and their applications as optical polarizer and grating were investigated. The results show that the ultralong ZnO nanocombs can act as effective optical components in miniaturized integrated optics systems.

Keywords

Zinc oxide nanocombs thermal evaporation polarizer grating 

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Copyright information

© Tsinghua Press and Springer-Verlag GmbH 2008

Authors and Affiliations

  • Ke Yu
    • 1
  • Qiuxiang Zhang
    • 2
  • Jin Wu
    • 1
  • Lijun Li
    • 1
  • Yu’e Xu
    • 1
  • Shaohua Huang
    • 3
  • Ziqiang Zhu
    • 1
  1. 1.Key Laboratory for Polar Materials and Devices of Ministry of Education and Department of Electronic EngineeringEast China Normal UniversityShanghaiChina
  2. 2.Department of Electronic EngineeringShanghai Jianqiao CollegeShanghaiChina
  3. 3.Surface Physics Laboratory, Department of PhysicsFudan UniversityShanghaiChina

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