Synthesis and photoluminescence study on ZnO nano-particles

Xiang Li*, Fei Fei Zhai, Ying Liu, Mao Sheng Cao, Fu Chi Wang, Xi Xiang Zhang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

A new technique, namely low pressure sputtering, has been developed to fabricate Zn nanoparticles, with a subsequent oxidation to synthesize ZnO nanoparticles in the ambient atmosphere at 500°C. The synthesized ZnO nanoparticle has a size of 6-8 nm with a preferred orientation of c-axis. The produced ZnO nanoparticles have a good UV photoluminescence (PL) emission energy of 3.349 eV with a significant enhancement of donor-acceptor pair emission located at 3.305 eV which implies a number of donor and acceptor bounded excitons existing in the synthesized ZnO nano particles. The near band edge PL emission of the fabricated ZnO is dominated by the bounded excitons at 10 K.

Original languageEnglish (US)
Pages (from-to)2769-2772
Number of pages4
JournalChinese Physics
Volume16
Issue number9
DOIs
StatePublished - Sep 1 2007
Externally publishedYes

Keywords

  • Photoluminescence
  • Sputtering
  • ZnO nanoparticle

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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