Energy transfer between luminescent silver clusters and Yb3+ ions in ion-exchanged layers of silica-based glass

IF 3.6 3区物理与天体物理 Q2 OPTICS

Journal of Luminescence Pub Date : 2025-09-30 DOI:10.1016/j.jlumin.2025.121585

L.Yu. Mironov , D.V. Marasanov , R.D. Kharisova , K.S. Zyryanova , S.V. Puzyryova , I.E. Kolesnikov

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Abstract

Silica-based glasses doped with Yb₂O₃ and combination of La₂O₃ and Yb₂O₃ were synthesized. Ag⁺ ions were introduced in the glass through Na⁺ -Ag⁺ ion exchange, further heat treatment of the glass samples initiates the formation of luminescent silver clusters. Glass samples show typical white luminescence of silver clusters as well as sensitized luminescence of Yb³⁺ ions under UV excitation. Introduction of Yb³⁺ ions into the glass decreases quantum yield and lifetime of silver cluster luminescence indicating the presence of energy transfer. While phosphorescence lifetime decreases gradually with increase in Yb³⁺ concentration, fluorescence lifetime shows only a minor decrease for the highest Yb₂O₃ content. Additionally, decrease in quantum yield is much higher than that of emission lifetime suggesting the coexistence of two different quenching mechanisms.

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硅基玻璃离子交换层中发光银团簇和Yb3+离子之间的能量转移

合成了掺杂Yb2O3的硅基玻璃以及La2O3和Yb2O3的复合玻璃。通过Na+ -Ag+离子交换将Ag+离子引入玻璃中，对玻璃样品进一步热处理可形成发光银团簇。玻璃样品在紫外光激发下表现出典型的银团簇白色发光和Yb3+离子的敏化发光。在玻璃中引入Yb3+离子降低了银团簇发光的量子产率和寿命，表明存在能量转移。随着Yb3+浓度的增加，荧光寿命逐渐降低，而当Yb2O3含量最高时，荧光寿命仅略有下降。此外，量子产率的下降远高于发射寿命的下降，表明两种不同的猝灭机制并存。

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 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.