Polyoxometalate immobilization in Cu{sup I}/Ag-pz porous coordination polymers: The influences of them on the structural properties of frameworks

Journal Article · Sun May 15 00:00:00 EDT 2011 · Journal of Solid State Chemistry

DOI:https://doi.org/10.1016/j.jssc.2011.03.030· OSTI ID:21504068

Zhu, Min ^[1]; Peng, Jun ^[1]; Pang, Hai-Jun; Zhang, Peng-Peng; Chen, Yuan; Wang, Dan-Dan; Liu, Ming-Guan; Wang, Yong-Hui ^[1]

---

1. Key Laboratory of Polyoxometalate Science of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin 130024 (China)

Three new high dimensional Cu{sup I}/Ag-pz porous coordination polymers (PCPs) with different Keggin polyoxometalate templates have been hydrothermally synthesized: [Cu{sup I}{sub 5}(pz){sub 6}Cl][HPMo{sup VI}{sub 10}Mo{sup V}{sub 2}O{sub 40}] (1) [Ag{sub 5}(pz){sub 7}(BW{sub 12}O{sub 40})] (2) and [Cu{sup I}{sub 5}(pz){sub 6}H(H{sub 2}W{sub 12}O{sub 40})].4H{sub 2}O (3) (pz=pyrazine). The choice of the particular Keggin POM templates is shown to influence the structural properties of the Cu/Ag PCPs. Compound 1 shows a Cl-bridged Cu-pz-Cl double layer, between which two kinds of [HPMo{sup VI}{sub 10}Mo{sup V}{sub 2}O{sub 40}]{sup 4-}(PMo{sub 12}) polyanions are located. Compound 2 presents a 3D Ag-pz framework with parallelogram-like voids, into which BW{sub 12}O{sub 40}{sup 5-} (BW{sub 12}) Keggin ions are incorporated. Compound 3 contains a Cu-pz cationic layer framework, between which are located [H(H{sub 2}W{sub 12}O{sub 40})]{sup 5-} (W{sub 12}) Keggin ions. Primary photocatalytic experiment indicates that compound 1 presents excellent photocatalytic activity. The photoluminescence properties and electrochemistry properties of the compounds are also discussed. -- Graphical abstract: The choice of the particular Keggin template is shown to influence the structural properties of the Cu/Ag PCPs. Their photocatalytic activities have been studied. Display Omitted highlights: > In this paper, three Keggin POM-templated metal-pyrazine frameworks are reported. > The choice of template can influence the structural properties of the frameworks. > Further, compound 1 exhibits excellent photocatalytic activity.

• OSTI ID: 21504068
• Journal Information: Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 5 Vol. 184; ISSN 0022-4596; ISSN JSSCBI
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
AZINES
CATALYSIS
CHEMISTRY
COMPLEXES
COPPER COMPLEXES
ELECTROCHEMISTRY
EMISSION
HETEROCYCLIC COMPOUNDS
HYDROTHERMAL SYNTHESIS
LAYERS
LUMINESCENCE
MATERIALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHOTOCATALYSIS
PHOTOLUMINESCENCE
PHOTON EMISSION
POLYMERS
POROUS MATERIALS
PYRAZINES
SILVER COMPLEXES
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
VOIDS