BaGdF5:Dy3+, Tb3+, Eu3+ multifunctional nanospheres: paramagnetic, luminescence, energy transfer, and tunable color

被引：40

作者：

Guan, Hongxia ^{[1
]}

Song, Yanhua ^{[1
]}

Zheng, Keyan ^{[1
]}

Sheng, Ye ^{[1
]}

Zou, Haifeng ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Changchun 130012, Peoples R China

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2016年 / 18卷 / 20期

基金：

中国国家自然科学基金;

关键词：

HYDROTHERMAL SYNTHESIS; MAGNETIC-PROPERTIES; PHOSPHOR; LN; EMISSION; PHOTOLUMINESCENCE; DY3+; TM; NANOPARTICLES; EXCITATION;

D O I：

10.1039/c6cp01798c

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：

A series of Dy3+, Tb3+ and Eu3+ singly, doubly or triply doped BaGdF5 phosphors were synthesized by a one-step hydrothermal method with L-arginine, and their energy transfer, migrations and multicolored luminescence properties were investigated in detail. The as-prepared Dy3+, Tb3+ or Eu3+ doped samples showed strong blue, green and red emission, respectively. Different hues of green and red light were obtained by co-doped Dy3+, Tb3+ and Tb3+, Eu3+ in the BaGdF5 host, respectively. More significantly, in the Dy3+, Tb3+, Eu3+ tri-doped BaGdF5 phosphors, colors changed from yellow green to orange red by adjusting the doping concentration of Eu3+. Energy migrations from Dy3+ to Tb3+ and from Tb3+ to Eu3+ are reported in detail. Furthermore, the obtained samples exhibit paramagnetic properties at room temperature and low temperature. It is obvious that these Dy3+, Tb3+, Eu3+ singly or doubly or triply doped BaGdF5 nanomaterials with tunable multicolored luminescence properties may have potential applications in the fields of full-color displays, biological labels and bio-separation.

引用

页码：13861 / 13873

页数：13

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