The vibration and photoluminescence properties of one-dimensional ZnO nanowires

Hao Ying Lu, Sheng-Yuan Chu, Sheng Hsien Cheng

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Under argon- and oxygen-mixed atmosphere, the vapor-liquid-solid method was introduced to fabricate the ZnO nanowires at 700-1000 °C. As grown on Au-coated Si substrate, the single-crystalline ZnO one-dimensional structure was obtained. From XRD patterns, the growth orientation of nanowires was 〈0 0 2〉 along the c-axis. Two emission bands were observed in PL spectra, one is UV emission at ∼380 nm and the other is a green emission at ∼500 nm. The oxygen vacancies were assigned to result in green emission and influenced the vibration energy. By means of annealing at oxygen atmosphere, the vacancies and residual stress were eliminated effectively. This phenomenon was evidenced by XRD patterns and Raman spectrum. Through this easy, rapid and low-cost method, the high-quality ZnO nanowires were obtained.

Original languageEnglish
Pages (from-to)506-511
Number of pages6
JournalJournal of Crystal Growth
Volume274
Issue number3-4
DOIs
Publication statusPublished - 2005 Feb 1

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Nanowires
Photoluminescence
nanowires
photoluminescence
vibration
Oxygen
oxygen
Argon
Oxygen vacancies
atmospheres
Vacancies
Raman scattering
Residual stresses
Vapors
Annealing
Crystalline materials
residual stress
argon
Liquids
Substrates

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Lu, Hao Ying ; Chu, Sheng-Yuan ; Cheng, Sheng Hsien. / The vibration and photoluminescence properties of one-dimensional ZnO nanowires. In: Journal of Crystal Growth. 2005 ; Vol. 274, No. 3-4. pp. 506-511.
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The vibration and photoluminescence properties of one-dimensional ZnO nanowires. / Lu, Hao Ying; Chu, Sheng-Yuan; Cheng, Sheng Hsien.

In: Journal of Crystal Growth, Vol. 274, No. 3-4, 01.02.2005, p. 506-511.

Research output: Contribution to journalArticle

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