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Nano Research 2008, 1(3): 221-228 https://doi.org/10.1007/s12274-008-8025-4
Research Article | Open Access | Issue | Published: 01 March 2008

Growth and Optical Applications of Centimeter-Long ZnO Nanocombs

Show Author's Information Ke Yu1,  Qiuxiang Zhang2,  Jin Wu1,  Lijun Li1,  Yu'e Xu1,  Shaohua Huang3,  Ziqiang Zhu1( )
Key Laboratory for Polar Materials and Devices of Ministry of Education and Department of Electronic Engineering East China Normal UniversityShanghai 200241 China
Department of Electronic Engineering Shanghai Jianqiao CollegeShanghai 201319 China
Surface Physics Laboratory, Department of Physics Fudan UniversityShanghai 200433 China
Keywords:
Zinc oxide nanocombs, thermal evaporation, polarizer, grating
Cite this article:
Yu K, Zhang Q, Wu J, et al. Growth and Optical Applications of Centimeter-Long ZnO Nanocombs. Nano Research, 2008, 1(3): 221-228. https://doi.org/10.1007/s12274-008-8025-4
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Abstract Full text About this article

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.


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About this article

Growth and Optical Applications of Centimeter-Long ZnO Nanocombs

Show Author's information Ke Yu1, Qiuxiang Zhang2, Jin Wu1, Lijun Li1, Yu'e Xu1, Shaohua Huang3, Ziqiang Zhu1( )
Key Laboratory for Polar Materials and Devices of Ministry of Education and Department of Electronic Engineering East China Normal UniversityShanghai 200241 China
Department of Electronic Engineering Shanghai Jianqiao CollegeShanghai 201319 China
Surface Physics Laboratory, Department of Physics Fudan UniversityShanghai 200433 China

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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Publication history
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Publication history

Received: 08 May 2008
Revised: 24 July 2008
Accepted: 24 July 2008
Published: 01 March 2008
Issue date: March 2008

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© Tsinghua Press and Springer-Verlag 2008

Acknowledgements

The authors acknowledge the financial support from the Chinese National Key Basic Research Special Fund (Grant Nos. 2006CB921704 and 2007CB924902), the Specialized Research Fund for the Doctoral Program of Higher Education (Grant No. 20070269016), Chenguang Project of Shanghai Education Development Foundation (Grant No. 2008CGB23), and the Excellent Young Teachers Program of Shanghai Higher Learning Institutions (Grant No. AAYQ0723).

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