Fabrication of ZnO Coated ZnS: Mn 2+ nanoparticles

Shinji Ishizaki, Yusuke Kusakari, Masakazu Kobayashi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    6 Citations (Scopus)

    Abstract

    The fabrication of ZnO coated ZnS:Mn 2+ nanoparticles were achieved using simple methods. ZnS:Mn 2+ nanoparticles were prepared by a mechanical milling method. Coating of ZnO was then performed using a simple chemical method. Structural properties were evaluated by the X-ray powder diffraction (XRD) and the transmission electron microscope (TEM). Optical properties of the ZnO coated ZnS:Mn 2+ nanoparticle were characterized by exciting the particle included solvent using an UV-LED (400 nm). Bright orange color fluorescence was observed, and the fluorescence intensity of ZnO coated ZnS:Mn 2+ nanoparticles was enhanced as compared to uncoated ZnS:Mn 2+ nanoparticles. The capping of the core surface has probably terminated surface defects of ZnS:Mn 2+ nanoparticles, and resulted in the improved fluorescence intensity.

    Original languageEnglish
    Title of host publicationMaterials Research Society Symposium Proceedings
    EditorsG.J. Brown, R.M. Biefeld, C. Gmachl, M.O. Manasreh, K. Unterrainer
    Pages139-143
    Number of pages5
    Volume829
    Publication statusPublished - 2005
    EventProgress in Compound Semiconductor Materials IV - Electronic and Optoelectronic Applications - Boston, MA, United States
    Duration: 2004 Nov 292004 Dec 3

    Other

    OtherProgress in Compound Semiconductor Materials IV - Electronic and Optoelectronic Applications
    CountryUnited States
    CityBoston, MA
    Period04/11/2904/12/3

    Fingerprint

    Nanoparticles
    Fabrication
    Fluorescence
    Surface defects
    X ray powder diffraction
    Light emitting diodes
    Structural properties
    Electron microscopes
    Optical properties
    Color
    Coatings

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials

    Cite this

    Ishizaki, S., Kusakari, Y., & Kobayashi, M. (2005). Fabrication of ZnO Coated ZnS: Mn 2+ nanoparticles. In G. J. Brown, R. M. Biefeld, C. Gmachl, M. O. Manasreh, & K. Unterrainer (Eds.), Materials Research Society Symposium Proceedings (Vol. 829, pp. 139-143). [B2.22]

    Fabrication of ZnO Coated ZnS : Mn 2+ nanoparticles. / Ishizaki, Shinji; Kusakari, Yusuke; Kobayashi, Masakazu.

    Materials Research Society Symposium Proceedings. ed. / G.J. Brown; R.M. Biefeld; C. Gmachl; M.O. Manasreh; K. Unterrainer. Vol. 829 2005. p. 139-143 B2.22.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Ishizaki, S, Kusakari, Y & Kobayashi, M 2005, Fabrication of ZnO Coated ZnS: Mn 2+ nanoparticles. in GJ Brown, RM Biefeld, C Gmachl, MO Manasreh & K Unterrainer (eds), Materials Research Society Symposium Proceedings. vol. 829, B2.22, pp. 139-143, Progress in Compound Semiconductor Materials IV - Electronic and Optoelectronic Applications, Boston, MA, United States, 04/11/29.
    Ishizaki S, Kusakari Y, Kobayashi M. Fabrication of ZnO Coated ZnS: Mn 2+ nanoparticles. In Brown GJ, Biefeld RM, Gmachl C, Manasreh MO, Unterrainer K, editors, Materials Research Society Symposium Proceedings. Vol. 829. 2005. p. 139-143. B2.22
    Ishizaki, Shinji ; Kusakari, Yusuke ; Kobayashi, Masakazu. / Fabrication of ZnO Coated ZnS : Mn 2+ nanoparticles. Materials Research Society Symposium Proceedings. editor / G.J. Brown ; R.M. Biefeld ; C. Gmachl ; M.O. Manasreh ; K. Unterrainer. Vol. 829 2005. pp. 139-143
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    abstract = "The fabrication of ZnO coated ZnS:Mn 2+ nanoparticles were achieved using simple methods. ZnS:Mn 2+ nanoparticles were prepared by a mechanical milling method. Coating of ZnO was then performed using a simple chemical method. Structural properties were evaluated by the X-ray powder diffraction (XRD) and the transmission electron microscope (TEM). Optical properties of the ZnO coated ZnS:Mn 2+ nanoparticle were characterized by exciting the particle included solvent using an UV-LED (400 nm). Bright orange color fluorescence was observed, and the fluorescence intensity of ZnO coated ZnS:Mn 2+ nanoparticles was enhanced as compared to uncoated ZnS:Mn 2+ nanoparticles. The capping of the core surface has probably terminated surface defects of ZnS:Mn 2+ nanoparticles, and resulted in the improved fluorescence intensity.",
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