Syntheses, structures and properties of 3D inorganic-organic hybrid frameworks constructed from lanthanide polymer and Keggin-type tungstosilicate

Journal Article · Sat May 15 00:00:00 EDT 2010 · Journal of Solid State Chemistry

OSTI ID:21372585

Yuanzhe, Gao ^[1]; Zhangang, Han ^[1]; Chunhong, Li; Cui, Fengyun; Yingnan, Chi ^[2]

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1. Department of Chemistry, Institute for Chemical Physics and State Key Laboratory of Explosion Science Technology, Beijing Institute of Technology, Beijing 100081 (China)
2. Department of Chemistry, The Institute for Chemical Physics and State Key Laboratory of Explosion Science Technology, Beijing Institute of Technology, Beijing 100081 (China)

Inorganic-organic hybrid frameworks, namely [Ce(H{sub 2}O){sub 3}(pdc)]{sub 4}[SiW{sub 12}O{sub 40}].6H{sub 2}O 1, [M(H{sub 2}O){sub 4}(pdc)]{sub 4}[SiW{sub 12}O{sub 40}].2H{sub 2}O (M=Ce for 2a, La for 2b, Nd for 2c; H{sub 2}pdc=pyridine-2,6-dicarboxylic acid) were assembled through incorporation of Keggin-type heteropolyanion [SiW{sub 12}O{sub 40}]{sup 4-} within the voids of lanthanides-pdc network as pillars or guests under hydrothermal condition. Single-crystal X-ray analyses of these crystals reveal that compound 1 presents 3D pillar-layered framework with the [SiW{sub 12}O{sub 40}]{sup 4-} anions located on the square voids of the two-dimensional Ce-pdc bilayer. Compounds 2a-c are isostructural and constructed from 3D Ln-pdc-based metal-organic framework (MOF) incorporating noncoordinating guests Keggin structure [SiW{sub 12}O{sub 40}]{sup 4-}. Solid-state properties of compounds 1 and 2a-c such as thermal stability and photoluminescence have been further investigated. - Graphical abstract: Two types of new inorganic-organic hybrid frameworks through incorporation of Keggin-type heteropolyanion [SiW{sub 12}O{sub 40}]{sup 4-} within the voids of lanthanides-pdc network as pillars or guests under hydrothermal condition were successfully assembled. Solid-state properties of compounds 1 and 2a such as thermal stability and photoluminescence have been further investigated.

• OSTI ID: 21372585
• Journal Information: Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 5 Vol. 183; ISSN 0022-4596; ISSN JSSCBI
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ANIONS
AZINES
CARBOXYLIC ACIDS
CERIUM COMPOUNDS
CHARGED PARTICLES
CRYSTALS
DICARBOXYLIC ACIDS
ELECTROMAGNETIC RADIATION
EMISSION
HETEROCYCLIC COMPOUNDS
HYDROGEN COMPOUNDS
HYDROTHERMAL SYNTHESIS
IONIZING RADIATIONS
IONS
LANTHANUM COMPOUNDS
LAYERS
LUMINESCENCE
MONOCRYSTALS
NEODYMIUM COMPOUNDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANOMETALLIC COMPOUNDS
OXYGEN COMPOUNDS
PHOTOLUMINESCENCE
PHOTON EMISSION
POLYMERS
PYRIDINE
PYRIDINES
RADIATIONS
RARE EARTH COMPOUNDS
REFRACTORY METAL COMPOUNDS
SILICATES
SILICON COMPOUNDS
STABILITY
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
TUNGSTEN COMPOUNDS
VOIDS
WATER
X RADIATION