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Dual-Wavelength Zn0.2Ga1.1Si0.9O3.65:Cr Persistent Luminescence Nanoparticles for Dynamic Multimode Anticounterfeiting
ACS Applied Nano Materials ( IF 5.3 ) Pub Date : 2023-10-23 , DOI: 10.1021/acsanm.3c03773 Xiangkai Qiao 1 , Lukman Kasim 1 , Ailijiang Tuerdi 1 , Guangzhi Hu 2 , Abdukader Abdukayum 1
ACS Applied Nano Materials ( IF 5.3 ) Pub Date : 2023-10-23 , DOI: 10.1021/acsanm.3c03773 Xiangkai Qiao 1 , Lukman Kasim 1 , Ailijiang Tuerdi 1 , Guangzhi Hu 2 , Abdukader Abdukayum 1
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Persistent luminescence nanoparticles (PLNPs) can provide long afterglow after excitation and possess advantages for advanced optical anticounterfeiting. Nevertheless, PLNPs with dual-wavelength persistence luminescence for dynamic and multimode anticounterfeiting are just at the initial stages. Herein, we synthesized dual-wavelength (503 and 696 nm) afterglow PLNPs Zn0.2Ga1.1Si0.9O3.65:Cr (ZGSiO:Cr) using a hydrothermal method followed by calcination. The luminescence color and the afterglow time of PLNPs are tunable through the content of Si4+. The colors of the emission, including red, white, cyan, and purple, could be observed under single ultraviolet (UV)-light irradiation; the PLNPs show the visible afterglow emission, after UV-light irradiation. The as-prepared ZGSiO:Cr exhibits high-level, dynamic, and multimodal anticounterfeiting with facile and quick operation and low cost and provides a more convenient and effective method for multimode anticounterfeiting, encryption, and currency information tracking.
中文翻译：
用于动态多模式防伪的双波长Zn0.2Ga1.1Si0.9O3.65:Cr持续发光纳米粒子
长余辉纳米粒子（PLNPs）在激发后可以提供长余辉，具有先进光学防伪的优势。然而，用于动态和多模式防伪的双波长余辉发光的PLNP还处于起步阶段。在此，我们采用水热法合成了双波长（503和696 nm）余辉PLNPs Zn 0.2 Ga 1.1 Si 0.9 O 3.65 :Cr (ZGSiO:Cr)，然后进行煅烧。PLNPs的发光颜色和余辉时间可通过Si 4+的含量来调节。在单一紫外 (UV) 光照射下可以观察到发射的颜色，包括红色、白色、青色和紫色；PLNP 在紫外光照射后显示出可见的余辉发射。所制备的ZGSiO:Cr表现出高水平、动态、多模态防伪，操作简便快捷，成本低廉，为多模态防伪、加密、货币信息追踪提供了更加方便有效的方法。
更新日期：2023-10-23
中文翻译：
用于动态多模式防伪的双波长Zn0.2Ga1.1Si0.9O3.65:Cr持续发光纳米粒子
长余辉纳米粒子（PLNPs）在激发后可以提供长余辉，具有先进光学防伪的优势。然而，用于动态和多模式防伪的双波长余辉发光的PLNP还处于起步阶段。在此，我们采用水热法合成了双波长（503和696 nm）余辉PLNPs Zn 0.2 Ga 1.1 Si 0.9 O 3.65 :Cr (ZGSiO:Cr)，然后进行煅烧。PLNPs的发光颜色和余辉时间可通过Si 4+的含量来调节。在单一紫外 (UV) 光照射下可以观察到发射的颜色，包括红色、白色、青色和紫色；PLNP 在紫外光照射后显示出可见的余辉发射。所制备的ZGSiO:Cr表现出高水平、动态、多模态防伪，操作简便快捷，成本低廉，为多模态防伪、加密、货币信息追踪提供了更加方便有效的方法。
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