Various Applications of Gadolinium Molybdate Down-Conversion and Up-Conversion Fluorescent Nanoparticles

IF 8 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Advanced Optical Materials Pub Date : 2024-08-22 DOI:10.1002/adom.202401210

Jae Yong Jung, Jin Young Park, Hyun Kyoung Yang

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Abstract

Crystalline α-Gd₂(MoO₄)₃ is synthesized by sintering at 800 °C using a coprecipitation method to prepare the precursor. The resulting α-Gd₂(MoO₄)₃ displayed a monocrystalline structure with a strong main peak (-221) in the X-ray diffraction signal. To develop a light-emitting material, rare earth ions are added during synthesis. By doping with Tb³⁺ and Eu³⁺, the Gd₂(MoO₄)₃ down-conversion phosphor shows potential for use in UV–LED chips, counterfeit money prevention, and fingerprint identification. Additionally, co-doping with [Er³⁺]/[Yb³⁺] and [Ho³⁺]/[Yb³⁺] ions produce green and red emissions when applied to a 980 nm LED chip, useful for anti-counterfeit ink. The magnetic properties of gadolinium are leveraged to confirm magnetic resonance imaging luminescence. A flexible composite for heat detection and explored various applications for its use is also developed.

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钼酸钆下转换和上转换荧光纳米粒子的各种应用

α-Gd2(MoO4)3 晶体是采用共沉淀法制备前驱体，在 800 °C 下烧结合成的。得到的 α-Gd2(MoO4)3 呈单晶结构，X 射线衍射信号中有一个强主峰（-221）。为了开发发光材料，在合成过程中需要加入稀土离子。通过掺杂 Tb3+ 和 Eu3+，Gd2(MoO4)3 下转换荧光粉在紫外 LED 芯片、防伪货币和指纹识别方面显示出了应用潜力。此外，将[Er3+]/[Yb3+]和[Ho3+]/[Yb3+]离子共掺杂应用于 980 纳米 LED 芯片时，可产生绿色和红色发射，可用于防伪油墨。利用钆的磁性来确认磁共振成像发光。此外，还开发了一种用于热探测的柔性复合材料，并探索了它的各种应用。

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来源期刊

Advanced Optical Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS

CiteScore

13.70

自引率

6.70%

发文量

883

审稿时长

1.5 months

期刊介绍： Advanced Optical Materials, part of the esteemed Advanced portfolio, is a unique materials science journal concentrating on all facets of light-matter interactions. For over a decade, it has been the preferred optical materials journal for significant discoveries in photonics, plasmonics, metamaterials, and more. The Advanced portfolio from Wiley is a collection of globally respected, high-impact journals that disseminate the best science from established and emerging researchers, aiding them in fulfilling their mission and amplifying the reach of their scientific discoveries.