NDLI: Cs6RE2(PO4)4 (RE = Y and Gd): two new members of the alkali rare-earth double phosphates

Content Provider	Royal Society of Chemistry (RSC)
Author	Zhang, Fangfang Yang, Zhihua Wang, Ying Lian, Zhipeng Pan, Shilie Su, Xin Yan, Qingfeng
Copyright Year	2015
Abstract	Two new alkali rare-earth double phosphates, Cs6Y2(PO4)4 (CYP) and Cs6Gd2(PO4)4 (CGP), have been successfully synthesized using the conventional solid-state reaction method. The two compounds crystallize in the same space group, P21 (no. 4), and feature a three-dimensional network composed of CsOn (n = 8, 10 and 11) distorted polyhedra and isolated YO6 and PO4 groups. IR spectroscopy, UV-vis-NIR diffuse reflectance spectroscopy, and electronic band structures of the two compounds are reported. In addition, the Ce3+-doped CYP and CGP phosphors were synthesized and their photoluminescence properties were investigated. The results indicate that the CYP:Ce3+ and CGP:Ce3+ phosphors can be efficiently excited by ultraviolet (UV) light to realize a blue luminescence corresponding to the electric-dipole allowed 4f–5d transition of the Ce3+ ions.
Starting Page	4328
Ending Page	4333
Page Count	6
File Format	HTM / HTML PDF
ISSN	11440546
Volume Number	39
Issue Number	6
Journal	New Journal of Chemistry
DOI	10.1039/c5nj00109a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Absorption spectroscopy Infrared spectroscopy Photoluminescence Luminescence Alkali metal Ultraviolet Space group
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Catalysis

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Cs₆RE₂(PO₄)₄ (RE = Y and Gd): two new members of the alkali rare-earth double phosphates