Mn5+-doped BaAl2O4, Ba3Al2O6, and Ba7Al2O10 phosphors emitting in the second near-infrared biological window

被引：9

作者：

Zhao, Hang ^{[1
]}

Xin, Xin ^{[1
]}

Wang, Qiuying ^{[1
]}

Wang, Zhiwei ^{[1
]}

Wang, Yuqian ^{[1
]}

Cheng, Qiuyu ^{[1
]}

Siritanon, Theeranun ^{[2
]}

Subramanian, M. A. ^{[3
]}

Jiang, Peng ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

[2] Suranaree Univ Technol, Inst Sci, Sch Chem, 111 Univ Ave, Muang 30000, Nakhon Ratchasi, Thailand

[3] Oregon State Univ, Dept Chem, Corvallis, OR 97330 USA

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2024年 / 976卷

基金：

美国国家科学基金会;

关键词：

Mn 5+doping; BaO-Al; 2; O; 3; system; Near-infrared emission; Phosphor; AG2S QUANTUM DOTS; BLUE; LUMINESCENCE; COLORS; GREEN; MN5+;

D O I：

10.1016/j.jallcom.2023.173044

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In recent years, NIR-II-type fluorophores with emission wavelengths within the 1000-1700 nm range have garnered widespread attention in the field of bioimaging due to their high tissue penetration ability. Here, Mndoped BaAl2O4, Ba3Al2O6, and Ba7Al2O10 with NIR-II-type luminescence were synthesized by solid-phase or liquid-phase methods. Confirmed by XPS and EDS analysis, Mn is found uniformly distributed in the structure in the valence state of + 5. The optimal doping concentration of Mn5+ in the three matrices was analyzed by PLE and PL spectroscopy. In addition, the samples exhibit a wide excitation range spanning from 600 to 900 nm, coupled with a narrow emission band peaking between 1150 and 1200 nm. As both the excitation and emission wavelengths have excellent penetration capabilities in biological tissues, the synthesized fluorescent phosphors in this study hold potential for meaningful applications in the realm of fluorescence imaging.

引用

页数：8

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