核殼上轉(zhuǎn)換發(fā)光材料研究進(jìn)展

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摘  要：核殼上轉(zhuǎn)換發(fā)光材料是一種新型復(fù)合材料，具有良好的物理化學(xué)性質(zhì)。該文歸納核殼上轉(zhuǎn)換發(fā)光材料的種類、合成方法、表征手段；核殼結(jié)構(gòu)可以有效提高上轉(zhuǎn)換發(fā)光效率，還能調(diào)控發(fā)光顏色和壽命；核殼上轉(zhuǎn)換發(fā)光材料應(yīng)用范圍廣泛，并對(duì)其在海關(guān)行李監(jiān)管領(lǐng)域的應(yīng)用進(jìn)行展望。

關(guān)鍵詞：核殼；上轉(zhuǎn)換；發(fā)光材料；行李監(jiān)管；隱蔽標(biāo)識(shí)

中圖分類號(hào)：F406.5      文獻(xiàn)標(biāo)志碼：A          文章編號(hào)：2095-2945（2023）23-0001-06

Abstract： Core-shell upconversion luminescent material is a new type of composite material with good physical and chemical properties. In this paper， the types， synthesis methods and characterization methods of core-shell upconversion luminescent materials are summarized. Core-shell structure can not only effectively enhance the upconversion luminous efficiency， but also control the luminous color and lifetime. Core-shell UCNPs are widely used and the application in the field of customs luggage supervision is prospected.

Keywords： core-shell; upconversion; luminescent materials; baggage supervision; Covert mark

稀土上轉(zhuǎn)換發(fā)光材料（Upconversion Nanoparticles，UCNPs）具有低毒性、高化學(xué)穩(wěn)定性等優(yōu)點(diǎn)；但其存在發(fā)光效率較低的缺點(diǎn)。（剩余7667字）