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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6. ZGGO : Cr(x=0.7)样品高温处理前后的发射谱图(a)和900 ℃煅烧1.5 h后的余辉衰减曲线(氙灯预先照射5 min)(b) |
Fig. 6. Emission spectra of ZGGO : Cr (x=0.7) samples before and after high temperature treatment (a) and persistent luminescence decay curves of ZGGO : Cr after high temperature treatment with Xenon lamp pre-charged for 5 min (b) |
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