Formation of complexes on the surface of nanosized europium fluoride

被引：17
|
作者：
Safronikhin, Anatoly [1 ]
Ehrlich, Heinrich [1 ]
Shcherba, Tatiana [1 ]
Kuzmina, Natalia [1 ]
Lisichkin, Georgy [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Chem, MSU, Moscow 119991, Russia
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2011年 / 377卷 / 1-3期
基金：
俄罗斯基础研究基金会;
关键词：
Surface modification; Europium fluoride; Nanoparticles; Xylenol orange; Pyridylazoresorcinol; SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION; XYLENOL ORANGE; 4-(2-PYRIDYLAZO)RESORCINOL PAR; HYDROTHERMAL SYNTHESIS; NANOPARTICLES; EUF3; MORPHOLOGIES; LANTHANIDES; IONS; ACID;
D O I：
10.1016/j.colsurfa.2011.01.034
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：
EuF3 nanoparticles with size of 10-20 nm and the hexagonal crystal structure have been synthesized and characterized. Surface modification of the nanoparticles with 4-(2-pyridylazo)resorcinol and xylenol orange in aqueous media has been examined. The study of formation of Eu(III) molecular complexes in solution and complexes on the EuF3 nanoparticles surface has revealed some essential differences in the processes, namely much more slow kinetics of interaction of the ligands with the surface Eu(III) ions and enhanced stability of surface complexes. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：367 / 373
页数：7
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