ZnO-Ag composite nanocrystals from nanoemulsion: Synthesis, magnetic, and optical properties

Ji Seok Gim, Junhua Wu, Ji Sung Lee, Hayoung Yoon, Ji Hyun Min, Jae Seon Ju, Young Keun Kim

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


We report a simple approach to synthesize ZnO-Ag composite nanocrystals with different ZnO/Ag ratios via a nanoemulsion process. The morphology and structure of the nanocrystals are investigated by X-ray diffraction and transmission electron microscopy, showing the high crystallinity of the nanocrystals with narrow size distributions. The corresponding optical and magnetic properties are analyzed with photoluminescence spectroscopy, ultraviolet-visible spectrometry and physical property measurement system in detail. The ensuing magnetism is interpreted in terms of nanosizing and other effects. Such ZnO-Ag nanocrystals may be further explored for biomedical applications and spintronic devices with interesting optical and magnetic properties.

Original languageEnglish
Article number063005
JournalApplied Physics Express
Issue number6
Publication statusPublished - 2013 Jun

ASJC Scopus subject areas

  • General Engineering
  • General Physics and Astronomy


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