Toward germanate ceramics Li2AGeO4:Nd3+ (A = Zn, Mg) emitting near-infrared radiation

被引：0
|
作者：
Pisarska, Joanna [1 ]
Bednarska-Adam, Nikola [1 ]
Kuwik, Marta [1 ]
Goryczka, Tomasz [2 ]
Macalik, Boguslaw [3 ]
Pisarski, Wojciech A. [1 ]
机构：
[1] Univ Silesia, Inst Chem, Szkolna 9 St, PL-40007 Katowice, Poland
[2] Univ Silesia, Inst Mat Engn, Chorzow, Poland
[3] Polish Acad Sci, Inst Low Temp & Struct Res, Wroclaw, Poland
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2025年 / 108卷 / 04期
关键词：
germanate ceramics; Nd3+ ions; near-infrared luminescence; olivines; LONG PERSISTENT LUMINESCENCE; GLASS-CERAMICS; PHOTOLUMINESCENCE PROPERTIES; SPECTROSCOPIC PROPERTIES; ENHANCED LUMINESCENCE; SELECTIVE EXCITATION; TRANSPARENT CERAMICS; ENERGY-TRANSFER; ND3+; EMISSION;
D O I：
10.1111/jace.20334
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Germanate ceramics Li2ZnGeO4:Nd3+ and Li2MgGeO4:Nd3+ have been studied for near-infrared (IR) luminescence applications. The phase identification showed that both ceramic compounds crystallized in a monoclinic lattice, characteristic of a broad family of germanate olivines. Near-IR luminescence spectra have been analyzed for Li(2)AGeO(4):Nd3+ (A = Zn, Mg) under different excitation wavelengths. Near-IR emission bands observed in the second biological window correspond to the ceramic host as well as F-4(3/2) -> I-4(11/2) and F-4(3/2) -> I-4(13/2) transitions of Nd3+ ions, respectively. Based on luminescence spectra and their decays, several spectroscopic parameters for un-doped and Nd3+-doped ceramic samples were determined. The experimental results for germanate olivines containing Nd3+ ions suggest that ceramic host gives important contribution to near-IR luminescence at second biological window.
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页数：16
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