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Facile synthesis and color-tunable properties of BaLuF 5:Ce,Tb,Eu(Sm) submicrospheres via a facile ionic liquid/EG two-phase system

Facile synthesis and color-tunable properties of BaLuF 5:Ce,Tb,Eu(Sm) submicrospheres via a facile ionic liquid/EG two-phase system

Yanhua Song, Yi Li, Tianqi Zhao, Yuexin Wang, Tingting Cui, Ye Sheng, Keyan Zheng, Xiuqing Zhou, Hongpeng You, Haifeng Zou

J Colloid Interface Sci. 2017 Feb 1;487:281-288.

PMID: 27788361

Abstract:

BaLuF5:Ce,Tb,Eu(Sm) submicrospheres were synthesized via an ILs/ethylene glycol(EG) two-phase system. The crystalline phase, size, morphology, and luminescence properties were characterized using powder X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), photoluminescence (PL) spectra. The results show that 1-methyl-3-octylimidazolium hexafluorophosphate ([Omim]PF6) was used as fluoride source and capping agent to tune morphology and size of the crystals. The formation mechanism has been supposed. Under the excitation of ultraviolet, the BaLuF5:5%Ce3+,5%Tb3+, BaLuF5:Eu3+, and BaLuF5:5%Ce3+,5%Sm3+ exhibit green and red emission, which was derived from Tb3+, Eu3+, and Sm3+ emission. When codoping Ce3+, Tb3+, Sm3+ or Eu3+ together, multi-color emission can be realized. Furthermore, this synthetic route may have potential applications for fabricating other lanthanide fluorides.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP304680362	1-Methyl-3-octylimidazolium hexafluorophosphate		304680-36-2	Price

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