Luminescence characteristics of impurities-activated ZnS nanocrystals prepared in microemulsion with hydrothermal treatment

DOI PDF 被引用文献2件
  • S. J. Xu
    Institute of Materials Research and Engineering, National University of Singapore, Singapore 119260, Singapore
  • S. J. Chua
    Institute of Materials Research and Engineering, National University of Singapore, Singapore 119260, Singapore
  • B. Liu
    Department of Chemistry, National University of Singapore, Singapore 119260, Singapore
  • L. M. Gan
    Department of Chemistry, National University of Singapore, Singapore 119260, Singapore
  • C. H. Chew
    Department of Chemistry, National University of Singapore, Singapore 119260, Singapore
  • G. Q. Xu
    Department of Chemistry, National University of Singapore, Singapore 119260, Singapore

書誌事項

公開日
1998-07-27
DOI
  • 10.1063/1.121906
公開者
AIP Publishing

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説明

<jats:p>Cu-, Eu-, or Mn-doped ZnS nanocrystalline phosphors were prepared at room temperature using a chemical synthesis method. Transmission electron microscopy observation shows that the size of the ZnS clusters is in the 3–18 nm range. New luminescence characteristics such as strong and stable visible-light emissions with different colors were observed from the doped ZnS nanocrystals at room temperature. These results strongly suggest that impurities, especially transition metals and rare-earth metals-activated ZnS nanoclusters form a new class of luminescent materials.</jats:p>

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