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Growth mechanism of ZnO nanorods from nanoparticles formed in a laser ablation plume

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Abstract

We have succeeded in synthesizing ZnO nanorods by pulsed-laser ablation at comparatively high gas pressures without using a catalyst. The nanorods had an average size of 300 nm and a length of about 6 μm. Stimulated emission was observed from the nanorods at 388 nm by optical pumping. As a catalyst was not used in our method, nanorod growth was not controlled by the vapor-liquid-solid (VLS) mechanism. We found that nanoparticles formed by condensation of ablated particles in the laser ablation plume play an important role in nanorod growth.

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Authors and Affiliations

  1. Graduate School of Information Science and Electrical Engineering, Kyushu University, 6-10-1 Hakozaki, 812-8581, Fukuoka, Japan

    A.B. Hartanto, Y. Nakata & T. Okada

  2. Fudan University, Shanghai, China

    X. Ning

Authors
  1. A.B. Hartanto
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  2. X. Ning
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  3. Y. Nakata
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  4. T. Okada
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Corresponding author

Correspondence to T. Okada.

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PACS

61.46.+w; 81.07.Bc; 78.66.Hf; 78.67.Bf; 81.16.Mk

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Hartanto, A., Ning, X., Nakata, Y. et al. Growth mechanism of ZnO nanorods from nanoparticles formed in a laser ablation plume. Appl. Phys. A 78, 299–301 (2004). https://doi.org/10.1007/s00339-003-2286-2

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  • DOI: https://doi.org/10.1007/s00339-003-2286-2

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