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Nanoscale Res Lett. 2009 Dec 30;5(3):581-6. doi: 10.1007/s11671-009-9509-1.

In Situ Confocal Raman Mapping Study of a Single Ti-Assisted ZnO Nanowire.

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  • 1Department of Physics, National Dong Hwa University, Hualien, 97401, Taiwan.


In this work, we succeeded in preparing in-plane zinc oxide nanowires using a Ti-grid assisted by the chemical vapor deposition method. Optical spatial mapping of the Confocal Raman spectra was used to investigate the phonon and geometric properties of a single ZnO nanowire. The local optical results reveal a red shift in the non-polar E2 high frequency mode and width broadening along the growth direction, reflecting quantum-confinement in the radial direction.


Confocal Raman Spectroscopy; Nanocrystalline materials; Nanowire

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