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The synthesis of ZnS:Mn2+ nano-particles by solid-state method at low temperature and their photoluminescence characteristics

Yu, Xi-Bin and Mao, Li-Hong and Zhang-Fan, - and Yang, Liang-Zhun and Yang, Shi-Ping (2004) The synthesis of ZnS:Mn2+ nano-particles by solid-state method at low temperature and their photoluminescence characteristics. Materials Letters, 58 (29). 3661 - 3664.

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Official URL: http://www.sciencedirect.com/science/article/B6TX9...

Abstract

ZnS:Mn2+ nano-crystal phosphor is synthesized for the first time using solid-state method at low temperature from acetate and sodium sulfide. The structure, morphology of the nano-particles and the photoluminescence properties have been studied by means of X-ray diffraction (XRD), transmission electron microscope (TEM) and the excitation and emission spectra (PL). With about 6-nm crystal size, the ZnS:Mn2+ nano-particles show zinc-blende structure and have the strong luminescence emission at 580 nm in which the blue shift can be observed. This can be attribute to quantum size effect due to small particle size. Mn2+ is activated under excitation and show a strong orange luminescence emission due to the substitute and homogenized distribution of Mn2+ ions in the ZnS crystal lattice. This low temperature solid-state method could be expediently used to fabricate ZnS:Mn2+ nano-particles phosphor materials and luminescence devices.

Item Type:Article
Uncontrolled Keywords:Low-temperature solid-state method; ZnS:Mn2+; Nano-particles; Luminescence; Blue shift
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanochemistry
Material Science > Nanostructured materials
ID Code:6870
Deposited By:SPI
Deposited On:24 Sep 2009 17:42
Last Modified:24 Sep 2009 17:42

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