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

17 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

All Science Journal Classification (ASJC) codes

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

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