Barium fluoride hollow microcubes: hydrothermal synthesis and host for lanthanide near-infrared luminescent properties

被引：17

作者：

Hou, Suying ^{[1
]}

Xing, Yan ^{[1
]}

Liu, Xianchun ^{[1
]}

Zou, Yongcun ^{[2
]}

Liu, Bo ^{[1
]}

Sun, Xiujuan ^{[1
]}

机构：

[1] NE Normal Univ, Coll Chem, Changchun 130024, Peoples R China

[2] Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China

来源：

CRYSTENGCOMM | 2010年 / 12卷 / 06期

关键词：

SPHERES; NANOCRYSTALS; NANOCUBES; CU2O; PHOTOLUMINESCENCE; NANOSTRUCTURES; NANOPARTICLES; FABRICATION; COMPLEXES; GROWTH;

D O I：

10.1039/b923936g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, we report a simple one-pot approach to prepare hollow BaF2 microcubes employing the reaction of Ba(NO3)(2) and NaBF4 under hydrothermal conditions. X-Ray diffraction, scanning electron microscopy, electron diffraction, transmission electron microscopy, and photoluminescence spectra were used to characterize the samples. Contrast experiments indicated that the triblock copolymer of EO20PO70EO20 (P123) and the complex of citrate both played important roles for the formation of hollow BaF2 cubes. Furthermore, the use of NaBF4 as fluoride source is indispensable for obtaining the microstructures. For the first time, we demonstrate that microcubes of BaF2 with hollow interiors can be synthesized via a combination of soft-templating mechanism and oriented attachment process. Additionally, the near-infrared luminescence of lanthanide ions (Er, Nd, and Yb) doped BaF2 hollow microcubes were discussed in detail.

引用

页码：1945 / 1948

页数：4

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