Dependence of luminescent properties and crystal structure of Li-doped ZnO nanoparticles upon Li content

Yu Chih Tseng, Yow-Jon Lin, Hsing Cheng Chang, Ya Hui Chen, Chia-Jyi Liu, Yi Yan Zou

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This study examines the effect of Li content on the luminescent and structural properties of Li xZn 1-xO nanoparticles by scanning electron microscopy, x-ray diffraction, photoluminescence (PL) and Raman scattering measurements. A dependence of luminescent properties and crystal structure upon Li content was found. The intensity of the band-edge luminescence of Li 0.10Zn 0.90O nanoparticles was nearly 10 times higher than that of the ZnO nanoparticles. This is because of the combined effect of the improved crystallinity and a decrease in the probability of nonradiative recombination. However, the incorporation of excess Li into ZnO degrades the PL intensity due to the combined effect of the weakened crystallinity and the increased probability of nonradiative recombination.

Original languageEnglish
Pages (from-to)1896-1899
Number of pages4
JournalJournal of Luminescence
Volume132
Issue number8
DOIs
Publication statusPublished - 2012 Aug 1

Fingerprint

Nanoparticles
Crystal structure
nanoparticles
Genetic Recombination
crystal structure
crystallinity
Photoluminescence
photoluminescence
Raman Spectrum Analysis
Luminescence
Electron Scanning Microscopy
Raman scattering
Structural properties
x ray diffraction
Diffraction
X-Rays
luminescence
Raman spectra
X rays
Scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Atomic and Molecular Physics, and Optics
  • Chemistry(all)
  • Biochemistry
  • Condensed Matter Physics

Cite this

Tseng, Yu Chih ; Lin, Yow-Jon ; Chang, Hsing Cheng ; Chen, Ya Hui ; Liu, Chia-Jyi ; Zou, Yi Yan. / Dependence of luminescent properties and crystal structure of Li-doped ZnO nanoparticles upon Li content. In: Journal of Luminescence. 2012 ; Vol. 132, No. 8. pp. 1896-1899.
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Dependence of luminescent properties and crystal structure of Li-doped ZnO nanoparticles upon Li content. / Tseng, Yu Chih; Lin, Yow-Jon; Chang, Hsing Cheng; Chen, Ya Hui; Liu, Chia-Jyi; Zou, Yi Yan.

In: Journal of Luminescence, Vol. 132, No. 8, 01.08.2012, p. 1896-1899.

Research output: Contribution to journalArticle

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AB - This study examines the effect of Li content on the luminescent and structural properties of Li xZn 1-xO nanoparticles by scanning electron microscopy, x-ray diffraction, photoluminescence (PL) and Raman scattering measurements. A dependence of luminescent properties and crystal structure upon Li content was found. The intensity of the band-edge luminescence of Li 0.10Zn 0.90O nanoparticles was nearly 10 times higher than that of the ZnO nanoparticles. This is because of the combined effect of the improved crystallinity and a decrease in the probability of nonradiative recombination. However, the incorporation of excess Li into ZnO degrades the PL intensity due to the combined effect of the weakened crystallinity and the increased probability of nonradiative recombination.

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