Controllable multicolored optical glass-ceramics based on nanostructure strategies and dopants

IF 3.3 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2024-09-26 DOI:10.1016/j.jlumin.2024.120917

Junyi Wang, Feifei Huang, Guoqing Jiang, Ruoshan Lei, Denghao Li, Shiqing Xu

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引用次数: 0

Abstract

Novel functional materials that integrate multiple tunable luminescence modes hold significant scientific and application potential. In this study, nanostructure strategies were employed to fabricate a series of microcrystalline glasses doped with rare-earth and transition-metal ions. The crystallization behavior of the nanocrystals (NCs) was revealed through high-resolution transmission electron microscopy (HRTEM), and the photoluminescence spectra of the samples were systematically investigated, demonstrating the achievement of independent and efficient visible light emission. With the further addition of the dopant Mn²⁺, it can occupy different sites to generate efficient energy transfer for ions, effectively improve the luminous efficiency, and changing the Mn²⁺ concentration can achieve a wide tunable color gamut. In addition, by exciting the glass samples with different excitation light sources, tunable emission of both red and blue was achieved. The results demonstrated the significant potential of the experimental samples as new multifunctional materials for optical dynamic anti-counterfeiting applications.

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基于纳米结构策略和掺杂剂的可控多色光学玻璃陶瓷

集成多种可调发光模式的新型功能材料具有巨大的科学和应用潜力。本研究采用纳米结构策略制造了一系列掺杂稀土和过渡金属离子的微晶玻璃。通过高分辨率透射电子显微镜（HRTEM）揭示了纳米晶体（NCs）的结晶行为，并对样品的光致发光光谱进行了系统研究，结果表明实现了独立、高效的可见光发射。随着掺杂剂 Mn2+ 的进一步添加，它可以占据不同的位点，产生高效的离子能量转移，有效提高发光效率，并且改变 Mn2+ 的浓度可以实现宽广的可调色域。此外，通过用不同的激发光源激发玻璃样品，还实现了红色和蓝色的可调发射。结果表明，实验样品作为新型多功能材料在光学动态防伪应用方面具有巨大潜力。

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来源期刊

Journal of Luminescence 物理-光学

CiteScore

6.70

自引率

13.90%

发文量

850

审稿时长

3.8 months

期刊介绍： The purpose of the Journal of Luminescence is to provide a means of communication between scientists in different disciplines who share a common interest in the electronic excited states of molecular, ionic and covalent systems, whether crystalline, amorphous, or liquid. We invite original papers and reviews on such subjects as: exciton and polariton dynamics, dynamics of localized excited states, energy and charge transport in ordered and disordered systems, radiative and non-radiative recombination, relaxation processes, vibronic interactions in electronic excited states, photochemistry in condensed systems, excited state resonance, double resonance, spin dynamics, selective excitation spectroscopy, hole burning, coherent processes in excited states, (e.g. coherent optical transients, photon echoes, transient gratings), multiphoton processes, optical bistability, photochromism, and new techniques for the study of excited states. This list is not intended to be exhaustive. Papers in the traditional areas of optical spectroscopy (absorption, MCD, luminescence, Raman scattering) are welcome. Papers on applications (phosphors, scintillators, electro- and cathodo-luminescence, radiography, bioimaging, solar energy, energy conversion, etc.) are also welcome if they present results of scientific, rather than only technological interest. However, papers containing purely theoretical results, not related to phenomena in the excited states, as well as papers using luminescence spectroscopy to perform routine analytical chemistry or biochemistry procedures, are outside the scope of the journal. Some exceptions will be possible at the discretion of the editors.