Fabrication of EuF3-Mesocrystals in a Gel Matrix

被引：5

作者：

Lausser, Christine ^{[1
]}

Kumke, Michael U. ^{[2
]}

Antonietti, Markus ^{[1
]}

Coelfen, Helmut

机构：

[1] Max Planck Inst Colloids & Interfaces Colloid Che, D-14424 Potsdam, Germany

[2] Univ Potsdam, Inst Chem Phys Chem, D-14476 Potsdam, Germany

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2010年 / 636卷 / 11期

关键词：

Mesocrystals; Non-classical crystallisation; Europium; Fluorine; Crystal growth; SELECTIVE SYNTHESIS; CRYSTAL-GROWTH; FLUORAPATITE; CRYSTALLIZATION; MORPHOGENESIS; MESOCRYSTALS; GELATIN; EUF3; EXOSKELETON; COMPOSITES;

D O I：

10.1002/zaac.201000098

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Europium(III) fluoride mesocrystals were synthesised in an organic matrix. This matrix is a gel formed by Eu3+ ions and a polycarboxylate/sulfonate copolymer, ACUSOL 588G. In the gel phase, the local amount of europium ions is very high since Eu3+ acts as a crosslinker, and crystallisation occurs upon addition of F. Nucleated seed crystals in the gel phase grow by further ion attachment and form mesocrystals by mutual orientation of the EuF3 particles in the gel. We propose a dipole field as reason for this alignment and that the dipolar character of the particles originates from adsorption of the polyelectrolyte on charged crystal faces.

引用

页码：1925 / 1930

页数：6

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