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一、引言为了满足国内对新型多色显示的要求,人们提出用色纯度较高的 P_1:Zn_2SiO_4:Mn表面包阻挡层做绿色成份以实现多色显示。我们用均相沉降法在 Zn_2SiO_4荧光粉颗粒表面上形成一层 ZnS 阻挡层,荧光粉的死电压可由包层的厚度控制。用带阻挡层的 P_1粉
I. INTRODUCTION In order to meet the requirement of new multi-color display in China, it is proposed to use the P 1: Zn 2 SiO 4: Mn surface color barrier layer with high color purity to make multicolor display. We use the homogeneous sedimentation method to form a ZnS barrier layer on the surface of the Zn 2 SiO 4 phosphor particles. The phosphor’s die voltage can be controlled by the thickness of the cladding. P 1 with a barrier layer of powder