Improved Photoluminescence and Vacuum Ultraviolet Irradiation Stability of Zn2SiO4:Mn2+ with MgF2 Nano-Coating

Feng Li; Gao Yang Zhao; Ying Yang; Ning Zhou; Yang Song; Shu Xiu Zhang

doi:10.4028/www.scientific.net/MSF.809-810.550

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HomeMaterials Science ForumMaterials Science Forum Vols. 809-810Improved Photoluminescence and Vacuum Ultraviolet...

Improved Photoluminescence and Vacuum Ultraviolet Irradiation Stability of Zn₂SiO₄:Mn²⁺ with MgF₂ Nano-Coating

Abstract:

In order to prevent Zn₂SiO₄:Mn²⁺ with short decay time for 3D plasma display panels (PDPs) from the deterioration of the luminescence efficiency caused by vacuum ultraviolet (VUV) irradiation, MgF₂ coated Zn₂SiO₄:Mn²⁺ phosphor samples were prepared by a sol-gel process. The influence of the coating percentage on the photoluminescence properties was investigated.The results show that: MgF₂ coatings can improve the Zn₂SiO₄:Mn²⁺ phosphor emission intensity, brightness as well as VUV irradiation stability. And the optimal coating percentage on the luminescent intensity is also achieved: under 147 excitation, the optimal MgF₂ coating mass ratio is 0.8%, with the best brightness of 11.5% and improved VUV irradiation stability, compared with the raw phosphor.

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Materials Science Forum (Volumes 809-810)

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550-553

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.809-810.550

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Online since:

December 2014

Authors:

Feng Li*, Gao Yang Zhao, Ying Yang, Ning Zhou, Yang Song, Shu Xiu Zhang

Keywords:

3D Plasma Display Panels, MgF₂, VUV Degradation, Zn₂SiO₄:Mn²⁺

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