Diverse applicability of color-tunable synthesized calcium molybdate nanoparticles

IF 6.7 3区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Science: Advanced Materials and Devices Pub Date : 2024-03-25 DOI:10.1016/j.jsamd.2024.100710

Jae Yong Jung , Jin Young Park , Woo Tae Hong , Jung Sik Joo , Won Kyo Jung , Hyun Kyoung Yang

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引用次数: 0

Abstract

Crystalline CaMoO₄ NPs were synthesized using a solvothermal method in an autoclave. The synthesized CaMoO₄ could detect a signal in the main peak of (112) phase in the XRD pattern. It emits an absorption spectrum in the UV region and an emission spectrum wide range of 380–680 nm. Single-doped Tb³⁺ ions and Eu³⁺ ions were used as luminescent materially.. To reproduce the various colors, the amount of Tb³⁺ ions added was fixed, and the amount of Eu³⁺ ions was increased to synthesize them. When excited by UV light, the synthesized CaMoO₄: [Eu³⁺]/[Tb³⁺] displayed various colors from green to yellow, orange, and red. Light-emitting powders of various colors were mixed with polydimethylsiloxane (PDMS) to create a flexible composite sheet that could be folded, rolled, and applied to UV-LED to create unique colors. In addition, it was possible to identify fingerprints on a glass substrate. It was proposed that this could be applied to anti-counterfeiting by manufacturing a solution that could be identified only when applied to banknotes and irradiated with a UV lamp.

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颜色可调的合成钼酸钙纳米粒子的多样化应用

在高压釜中采用溶热法合成了晶体 CaMoO4 NPs。合成的 CaMoO4 在 XRD 图谱中可以检测到 (112) 相主峰的信号。它的吸收光谱在紫外区，发射光谱在 380-680 纳米宽范围内。单掺杂 Tb3+ 离子和 Eu3+ 离子被用作发光材料。为了再现各种颜色，Tb3+ 离子的添加量是固定的，而 Eu3+ 离子的合成量则是增加的。在紫外线的激发下，合成的 CaMoO4：[Eu3+]/[Tb3+]显示出从绿色到黄色、橙色和红色的各种颜色。将各种颜色的发光粉末与聚二甲基硅氧烷（PDMS）混合制成柔性复合片材，可以折叠、滚动并应用于紫外发光二极管，从而产生独特的颜色。此外，还可以识别玻璃基板上的指纹。有人建议将此应用于防伪领域，制造一种只有在钞票上涂抹并用紫外线灯照射后才能识别的解决方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Science: Advanced Materials and Devices Materials Science-Electronic, Optical and Magnetic Materials

CiteScore

11.90

自引率

2.50%

发文量

审稿时长

47 days

期刊介绍： In 1985, the Journal of Science was founded as a platform for publishing national and international research papers across various disciplines, including natural sciences, technology, social sciences, and humanities. Over the years, the journal has experienced remarkable growth in terms of quality, size, and scope. Today, it encompasses a diverse range of publications dedicated to academic research. Considering the rapid expansion of materials science, we are pleased to introduce the Journal of Science: Advanced Materials and Devices. This new addition to our journal series offers researchers an exciting opportunity to publish their work on all aspects of materials science and technology within the esteemed Journal of Science. With this development, we aim to revolutionize the way research in materials science is expressed and organized, further strengthening our commitment to promoting outstanding research across various scientific and technological fields.