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Back cover

Dalton Transactions Vol -0

Two-dimensional metal–organic frameworks with blue luminescence

Content Provider	Royal Society of Chemistry (RSC)
Author	Huh, Seong Jung, Suhyun Park, Seongsoon Kim, Youngmee Kim, Sung-Jin
Copyright Year	2010
Abstract	Three new isostructural two-dimensional metal–organic frameworks (MOFs), [M(bpydc)(H2O)·H2O]n where M = Zn (1); Co (2); Ni (3) and the bpydc is 2,2′-bipyridine-5,5′-dicarboxylate), were prepared by various methods such as hydrothermal, ultrasonic and microwave-assisted synthetic methods. Microcrystalline 1 could be obtained by using ultrasonification or microwave irradiation in a short time. Their solid-state structures were revealed by X-ray crystallography. The coordination environment of the metal ions is distorted octahedral geometry. The metal ions are coordinated by two nitrogen atoms from the bipyridyl moiety, two oxygen atoms from one carboxylate in a bidentate manner, one oxygen atom from another carboxylate in a monodentate manner, and one oxygen atom from the aqua ligand. The multiple coordination modes of the bpydc ligand led to a novel topologically interesting two-dimensional sheet structure; a 6-connected uninodal net with Schläfli symbol of 33·44·55·62·7. Thermal and luminescence properties of the three MOFs were also investigated. The weight maintained constant in the range 290–342 °C for 1, 250–470 °C for 2, and 275–470 °C for 3 after the initial weight loss related to the dehydration steps. In particular, [Zn(bpydc)(H2O)·H2O]n (1) displays strong solid state blue luminescence.
Starting Page	1261
Ending Page	1265
Page Count	5
File Format	HTM / HTML PDF
ISSN	14779226
Volume Number	39
Issue Number	5
Journal	Dalton Transactions
DOI	10.1039/b916176g
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Microcrystalline Water of crystallization Bipyridine Hydrothermal synthesis Ultrasound Microwave Short Time X-ray crystallography Molecular geometry Nitrogen Oxygen Denticity Ligand Schläfli symbol Luminescence The Weight Dehydration reaction
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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