Ionically Self-Assembled Clustomesogen with Switchable Magnetic/Luminescence Properties Containing [Re6Se8(CN)6]n- (n=3, 4) Anionic Clusters

被引：68

作者：

Molard, Yann ^{[1
]}

Ledneva, Alexandra ^{[1
,3
]}

Amela-Cortes, Maria ^{[1
]}

Circu, Viorel ^{[4
]}

Naumov, Nikolai G. ^{[3
]}

Meriadec, Cristelle ^{[2
]}

Artzner, Franck ^{[2
]}

Cordier, Stephane ^{[1
]}

机构：

[1] Univ Rennes 1, Equipe Chim Solide & Mat, CNRS UR1 6226, UMR Sci Chim Rennes, F-35042 Rennes, France

[2] Univ Rennes 1, CNRS UR1 6251, UMR Inst Phys Rennes, F-35042 Rennes, France

[3] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia

[4] Univ Bucharest, Dept Inorgan Chem, Sect 2, Bucharest 020464, Romania

来源：

CHEMISTRY OF MATERIALS | 2011年 / 23卷 / 23期

关键词：

cluster compounds; hybrid materials; luminescence; liquid crystals; METAL ATOM CLUSTERS; ORGANIZED NANOSTRUCTURED COMPLEXES; HEXAPYRIDINE CLUSTERS; STATE; BR; METALLOMESOGENS; Q=S; MOLYBDENUM(II); LUMINESCENCE; SURFACTANTS;

D O I：

10.1021/cm201589d

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：

Octahedral anionic rhenium clusters are obtained by high-temperature solid-state chemistry synthesis as single crystals or powders within which their charge is counter balanced by alkali cations. The ceramic-like behavior of the solid-state Re-6 based inorganic compound limits strongly their use in functional devices. We present herein a facile route to introduce these anionic dusters in a self-organized hybrid organic inorganic material. By replacing alkali countercations by mesogenic organic ones, polarized optical microscopy (POM), DSC, X-ray, magnetic, fluorescence, and cyclic voltammetry techniques confirm that a lyotropic and thermotropic liquid crystal material, able to switch reversibly from a bright red NW luminescent form to a magnetic green-colored one, is obtained.

引用

页码：5122 / 5130

页数：9

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