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多色长余辉材料的发光性质及动态防伪应用
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Luminescence Property of the Multicolor Persistent Luminescence Materials for Dynamic Anti-counterfeiting Applications
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图7. Zn2GaO4, Zn2GeO4, Zn2GeO4 : Cr3+和Zn2GaO4 : Cr3+的发射光谱(λex=254 nm) |
Fig. 7. Normalized emission spectra of Zn2GaO4, Zn2GeO4, Zn2GeO4 : Cr3+, and Zn2GaO4 : Cr3+ (λex=254 nm) |
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