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Construct Polyoxometalate Frameworks through Covalent Bonds
KTH, School of Chemical Science and Engineering (CHE), Centres, Centre of Molecular Devices, CMD.
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2015 (English)In: Inorganic Chemistry, ISSN 0020-1669, E-ISSN 1520-510X, Vol. 54, no 17, 8699-8704 p.Article in journal (Refereed) Published
Abstract [en]

An emerging strategy for exploring the application of polyoxometalates (POMs) is to assemble POM clusters into open-framework materials, especially inorganic organic hybrid three-dimensional (3D) open-framework materials, via the introduction of different organic linkers between the POM clusters. This strategy has yielded a few 3D crystalline POMs of which a typical class is the group of polyoxometalate metal organic frameworks (POMMOFs). However, for reported POMMOFs, only coordination bonds are involved between the linkers and POM clusters, and it has not yet produced any covalently bonded polyoxometalate frameworks. Here, the concept of "covalently bonded POMs (CPOMs)" is developed. By using vanadoborates as an example, we showed that the 3D CPOMs can be obtained by a condensation reaction through the oxolation mechanism of polymer chemistry. In particular, suitable single crystals were harvested and characterized by single-crystal X-ray diffraction. This work forges a link among polymer science, POM chemistry, and open-framework materials by demonstrating that it is possible to use covalent bonds according to polymer chemistry principles to construct crystalline 3D open-framework POM materials.

Place, publisher, year, edition, pages
[Chen, Hong; Zhao, Huishuang; Sun, Junliang] Stockholm Univ, Dept Mat & Environm Chem, Berzelii Ctr EXSELENT Porous Mat, SE-10691 Stockholm, Sweden. [Chen, Hong] China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China. [Zhao, Huishuang] Changzhou Inst Engn Technol, Fac Pharmaceut & Environm Technol, Changzhou 213164, Peoples R China. [Yu, Zheng-Bao; Sun, Junliang] Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China. [Wang, Lei; Sun, Licheng] KTH Royal Inst Technol, Sch Chem Sci & Engn, Ctr Mol Devices, Organ Chem, S-10044 Stockholm, Sweden., 2015. Vol. 54, no 17, 8699-8704 p.
National Category
Inorganic Chemistry
URN: urn:nbn:se:kth:diva-174224DOI: 10.1021/acs.inorgchem.5b01326ISI: 000361085800064PubMedID: 26286321ScopusID: 2-s2.0-84941272995OAI: diva2:860025

QC 20151009

Available from: 2015-10-09 Created: 2015-10-02 Last updated: 2015-10-09Bibliographically approved

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