Luminescence Properties of Zn2Si1+xO4+2x: Mn2+ in UV and VUV Region

Yan Hao

doi:10.4028/www.scientific.net/AMR.510.599

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 510Luminescence Properties of Zn2Si1+xO4+2x: Mn2+ in...

Luminescence Properties of Zn₂Si_1+xO_4+2x: Mn²⁺ in UV and VUV Region

Abstract:

Phosphors Zn₂Si_1+xO_4+2x: Mn²⁺(0x0.5) were synthesized through sol-gel process and their photoluminescence in UV and VUV region were investigated. At 254 nm excitation, the phosphor gives intense green emission (527 nm) and the luminescence intensity was enhanced with the increasing of x. At 147 nm excitation, the optimum luminescence intensity occurred at x = 0.1 and the absorption of host became blue shift slightly, which could be related with the absorption of excess SiO₂. The sample Zn₂Si_1.1O_4.2 had the highest emission intensity and it is 40% higher than that of Zn₂SiO₄:Mn²⁺.

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Advanced Materials Research (Volume 510)

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599-602

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.510.599

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Online since:

April 2012

Authors:

Yan Hao

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Phosphor, Ultraviolet, Vacuum Ultraviolet, Zn₂Si_1+xO_4+2x: Mn²⁺

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