Near-infrared emissions in host sensitized Ba2YV3O11: RE3+ (RE = Nd, Ho, Yb) down-converting phosphors

被引：11

作者：

Zhao, Jin ^{[1
]}

Wang, Xin ^{[1
]}

Li, Long ^{[1
]}

Guo, Chongfeng ^{[2
]}

机构：

[1] Xian Univ Architecture & Technol, Coll Sci, Xian 710055, Peoples R China

[2] Northwest Univ, Natl Key Lab Photoelect Technol & Funct Mat Cultu, Natl Photoelect Technol & Funct Mat & Applicat Sc, Inst Photon & Photon Technol, Xian 710069, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2020年 / 46卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Near-infrared; Solar cells; Vanadates; Energy transfer; ENERGY-TRANSFER; EFFICIENT CONVERSION; LUMINESCENCE; LIGHT; GLASSES; CE3+;

D O I：

10.1016/j.ceramint.2019.10.242

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：

Nd3+ Ho3+/Yb3+ single-doped Ba2YV3O11 near infrared (NIR) emitting phosphors were produced using sol-gel route, and their structures were determined by X-ray diffraction (XRD). The down conversion spectra, luminescence lifetime and energy transfer (ET) efficiency of samples have been investigated, which indicate that Ba2YV3O11: Nd3+/Ho3+/Yb3+ phosphors offer intense broad absorption band (250-400 nm) and emit efficient 900-1100 nm NIR emission where the crystal silicon solar cells display the optimal response. The ET processes from [VO4](3-) to dopants Nd3+/Ho3+/Yb3+ 3 +/- and possible ET mechanisms were also proposed in detail. Results showed that the Ba2YV3O11: Nd3+/Ho3+/Yb3+ phosphors were potential solar spectral converters for enhancing the silicon solar cell efficiency by absorption enhancement.

引用

页码：5015 / 5019

页数：5

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