Photoluminescence,structural and antibacterial properties of co-doped β-Ca3（PO4）2-type phosphates Ca8CuRE（PO4）7（RE=Eu-Er）
作者机构：Department of ChemistryLomonosov Moscow State University Laboratory of Arctic Mineralogy and Material SciencesKola Science CentreRussian Academy of Sciences Geological InstituteKola Science CentreRussian Academy of Sciences State Scientific Center of Applied Microbiology and Biotechnology of Rospotrebnadzor 24
出 版 物：《Journal of Rare Earths》 (稀土学报(英文版))
年 卷 期：2024年第42卷第9期
页 面：1658-1668页
核心收录：
学科分类：08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学]
基 金：Project supported by Russian Science Foundation (19-77-10013-Ⅱ)
主 题：Whitlockite-type structure Bioactive phosphates TCP Photoluminescence Rare earths
摘 要：Novel Ca8CuRE（PO4）7where RE3+=Eu3+,Tb3+,Dy3+,Ho3+and Er3+were synthesized by a solid-state method in *** structures of the samples were characterized by powder X-ray diffraction using Rietveld refinement to determine the occupation of crystal *** samples are found to have a centrosymmetric structure with space group R3c,as shown by dielectric *** synthesized Ca8CuRE（PO4）7samples have multifunctional *** Cu2+ions provide antibacterial properties,while the rare earth elements ions exhibit luminescence properties,and the β-Ca3（PO4）2-type host is *** photoluminescence properties of RE3+ions were studied and compared with other simmilar Ca8MRE（PO4）7phosphates,where M is a divalent *** photoluminescence intensity quenching in terms of energy transfer from RE3+to Cu2+is *** bioactive properties were studied in relation to antibacterial activity against *** and *** syntesized Ca8CuRE（PO4）7samples demonstrate very high and stable inhibition of bacteria *** correlation between crystal structure and properties is *** combining multiple approaches to the directio nal design of such materials,several important properties within a single chemical compound to achieve biovisualization and bioactive properties simultaneously can be combined.
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