Near-Infrared Broadband ZnTa2O6:Cr3+ Phosphor for pc-LEDs and Its Application to Nondestructive Testing

被引：32

作者：

He, Shaoxuan ^{[1
]}

Li, Panlai ^{[1
]}

Ren, Yinti ^{[1
]}

Wei, Guohui ^{[1
]}

Wang, Ye ^{[1
]}

Yang, Yuanbo ^{[1
]}

Li, Rui ^{[1
]}

Li, Jiehong ^{[1
]}

Shi, Yawei ^{[1
]}

Shi, Xingqiang ^{[1
]}

Wang, Zhijun ^{[1
]}

机构：

[1] Hebei Univ, Coll Phys Sci & Technol, Hebei Key Lab Opt Elect Informat & Mat, Baoding 071002, Peoples R China

来源：

INORGANIC CHEMISTRY | 2022年 / 61卷 / 29期

基金：

中国国家自然科学基金;

关键词：

LIGHT-EMITTING-DIODES; HIGHLY EFFICIENT; SITE OCCUPANCY; EMISSION; LUMINESCENCE; MN4+;

D O I：

10.1021/acs.inorgchem.2c01403

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Broadband near-infrared (NIR) phosphors are necessary materials for developing portable NIR light sources. Moreover, exploiting an NIR phosphor with a main peak located beyond a wavelength of 900 nm remains a challenge because this spectral range has great potential in biological nondestructive testing and solution testing. In this study, a range of Cr3+-doped ZnTa2O6 (ZTO) phosphors were completely synthesized by a solid-state method, which show broadband Cr3+ emission centered at 935 nm with a large full width at half maximum (FWHM) of 185 nm due to two distorted octahedral sites. A packaged phosphor-converted light-emitting diode (pc-LED) device is used to penetrate a 5-cm-thick chicken breast and identify diverse solutions based on differences in the measured transmission spectra. The results indicate broad application prospects in the field of biological tissue penetration and solution analysis.

引用

页码：11284 / 11292

页数：9

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