Photoluminescence in Eulytite-Type Structure Ca3Bi(PO4)3: Nd3+/Yb3+ Phosphors for Near-Infrared Applications

被引：1

作者：

Kshetrapal, Supriya ^{[1
,2
]}

Ugemuge, Nilesh ^{[2
]}

Dhale, Shruti ^{[2
]}

Nafdey, Renuka ^{[3
]}

Moharil, S. V. ^{[4
]}

机构：

[1] SFS Coll, Dept Phys, Nagpur 440001, India

[2] Anand Niketan Coll Sci Arts & Commerce, Dept Phys, IHLR&SS, Warora 442907, India

[3] Ramdeobaba Univ, Nagpur 440013, India

[4] RTM Nagpur Univ, Dept Phys, Nagpur 440033, India

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2025年 / 54卷 / 03期

关键词：

NIR; eulytite phosphate; lanthanide activators; Nd3+ -> Yb3+ energy transfer; photoluminescence; CRYSTAL; GLASSES; ND3+; LUMINESCENCE; EMISSION; GDVO4;

D O I：

10.1007/s11664-024-11727-0

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

NIR emissions in Ca3Bi(PO4)(3) host are described. Nd3+was used as an activator for obtaining NIR emissions. Characteristic lines, with the most intense emission at 1064 nm (Nd3+: 4F(3/2) -> 4I(11/2)) were observed. The excitation was also through transitions within the Nd3+ f shell. The line at 584 nm was the most intense. The results on the activator concentration dependence of the luminescence intensity are also reported. The maximum intensity was detected for the composition Ca3Bi0.095Nd0.05 (PO4)(3). Concentration quenching was responsible for the decrease in the intensity after 5.0 mol%. From the concentration dependence studies, the critical distance for energy exchange between Nd3+ ions were calculated as 21.64 & Aring;. NIR emissions at the shorter wavelength of 983 nm could be achieved through the migration of energy from Nd3+ to Yb3+. Although Yb3+ does not luminesce by itself in this host, an intense emission was observed by virtue of this process. Synthesized phosphor has potential applications in optical devices for the NIR region.

引用

页码：2275 / 2286

页数：12

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