Influence of Sb as a catalyst in the growth of ZnO nano wires and nano sheets using Nanoparticle Assisted Pulsed Laser Deposition (NAPLD)

I. A. Palani, D. Nakamura, K. Okazaki, M. Higashihata, T. Okada

研究成果: ジャーナルへの寄稿学術誌査読

25 被引用数 (Scopus)

抄録

The methodology on the synthesis of Sb-doped ZnO nanostructures by considering dopant as a catalyst is proposed and demonstrated. The nanostructures were synthesized using intrinsic ZnO as target and Sb-coated Si as substrate, where Sb simultaneously acts as dopant and the catalyst. The catalyst Sb is highly sensitive to temperature conditions resulted in two different nanostructures, the nanowires and the nanosheets. The surface, structural and optical characteristics of the nanowires and the nanosheets are comparatively investigated through SEM, EDX, XRD, Raman spectroscopy and photo luminescence (PL) spectroscopy. The nanowires showed a strong green emission in the PL spectrum and the presence of oxygen vacancies is confirmed thorough Raman peak shift at 556 cm-1. In the case of nanosheets, the defect in oxygen vacancies is completely reduced, and improved UV emission is observed, which confirms the diffusion of Sb in the ZnO lattice.

本文言語英語
ページ(範囲)1526-1530
ページ数5
ジャーナルMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
176
18
DOI
出版ステータス出版済み - 11月 15 2011

!!!All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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