NDLI: Hydrothermal Synthesis, Structures and Properties of Two Silver-Containing Organic–Inorganic Hybrids Based on Precursor [AlW$_{12}$O$

Content Provider	Springer Nature Link
Author	He, Dan Feng Liu, Hong Sheng Ci, Cheng Gang Jin, Zhong Xin Li, Ning Dong, Hai Bo Yu, Yi Qing Zhang, Chun Yan Hu, Mei Juan
Copyright Year	2015
Abstract	Two new silver-containing inorganic–organic hybrid compounds [Ag(2-MMIZ)$_{2}$]$_{6}${[Ag(2-MMIZ)$_{2}$]$_{2}$[Ag(2-MMIZ)]$_{2}$[AlW$_{12}$O$_{40}$]$_{2}$} (1) and [Ag(2-MMIZ)$_{2}$]$_{5}$[AlW$_{12}$O$_{40}$] (2) based on Keggin polyoxometalates and Ag complex have been successfully synthesized by reaction of AgNO$_{3}$, 2-MMIZ (2-methylimidazole), and the α-Na$_{5}$[AlW$_{12}$O$_{40}$]·13H$_{2}$O precursor under hydrothermal conditions, and these two compounds were well characterized by elemental analyses, IR spectrum, UV–Vis spectrum, Thermogravimetric analyses, Powder X-ray diffraction measurements and single-crystal X-ray diffraction. The structure of Compound 1 represents the first dimer anion {[Ag(2-MMIZ)$_{2}$]$_{2}$[Ag(2-MMIZ)]$_{2}$[AlW$_{12}$O$_{40}$]$_{2}$}$^{6−}$ and six free [Ag(2-MMIZ)2]$^{+}$ segments as cations, among the five crystallographically independent of [Ag(2-MMIZ)] segments in 1, Ag atoms exist three types of coordination configurations including linear, triangular and T type. Compound 2 is composed of one α-Keggin polyoxoanion [AlW$_{12}$O$_{40}$]$^{5−}$ and five free [Ag(2-MMIZ)$_{2}$]$^{+}$ segments as cations, there is only a linear coordination mode of Ag atoms in 2. Compounds 1 and 2 show photocatalytic activity for degradation of organic dye Rhodamine-B.The first dimmer anion {[Ag(2-MMIZ)$_{2}$]$_{2}$[Ag(2-MMIZ)]$_{2}$[AlW$_{12}$O$_{40}$]$_{2}$}$^{6−}$ based on [Ag(2-MMIZ)]$^{+}$ cations, [Ag(2-MMIZ)$_{2}$]$^{+}$ cations and [AlW$_{12}$O$_{40}$]$^{5−}$ polyoxoanions can be used for degradation of organic dye Rhodamine-B.
Starting Page	1557
Ending Page	1566
Page Count	10
File Format	PDF
ISSN	10407278
Journal	Journal of Cluster Science
Volume Number	26
Issue Number	5
e-ISSN	15728862
Language	English
Publisher	Springer US
Publisher Date	2015-02-08
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polyoxometalate Silver Photocatalysis Precursor Catalysis Inorganic Chemistry Physical Chemistry Nanochemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Biochemistry Condensed Matter Physics Materials Science

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