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author:

Chen, X.-Y. (Chen, X.-Y..) [1] | Chen, Y.-P. (Chen, Y.-P..) [2] | Xia, Z.-M. (Xia, Z.-M..) [3] | Hu, H.-B. (Hu, H.-B..) [4] | Sun, Y.-Q. (Sun, Y.-Q..) [5] | Huang, W.-Y. (Huang, W.-Y..) [6]

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Abstract:

Three α-Keggin heteropolymolybdates with the formula [(C 5H 4NH)COOH] 3[PMo 12O 40] 1, {[Sm(H 2O) 4(pdc)] 3}{[Sm(H 2O) 3(pdc)]}[SiMo 12O 40]·3H 2O 2 and {[La(H 2O) 4(pdc)] 4}[PMo 12O 40]F 3 (H 2pdc = pyridine-2,6-dicarboxylate), have been synthesized under hydrothermal condition and characterized by single crystal X-ray diffraction analyses, elemental analyses, inductively coupled plasma atomic emission spectroscopy (ICP-AES), IR, thermal gravimetric analyses, thermal infrared spectrum analyses and powder X-ray diffraction (PXRD) analyses. Single crystal X-ray diffraction indicates all three compounds comprise ball-shaped Keggin type [XMo 12O 40] n- polyoxometalates (POMs) (n = 3, X = P; n = 4, X = Si, respectively) with different types of carboxylic ligands derived from H 2pdc, and these cluster anions are isostructural. In order to explore structural characteristics, Rhodamine B photocatalytic (RhB) degradation and two-dimensional infrared correlation spectroscopy (2D-IR COS) tests, are investigated for 1, 2 and 3. In RhB degradation, all compounds show good photocatalytic activity. For 1, the activity mainly comes from POMs. While in 2 and 3, POMs' photocatalytic activity is enhanced by the Ln(iii)-pdc metal-organic frameworks. Structural properties like POM's stability and magnetic sensitivity are discussed by 2D-IR COS under thermal/magnetic perturbations. © 2012 The Royal Society of Chemistry.

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Community:

  • [ 1 ] [Chen, X.-Y.]Department of Chemistry, Fuzhou University, Fuzhou Fujian, China
  • [ 2 ] [Chen, Y.-P.]Department of Chemistry, Fuzhou University, Fuzhou Fujian, China
  • [ 3 ] [Xia, Z.-M.]Department of Chemistry, Fuzhou University, Fuzhou Fujian, China
  • [ 4 ] [Hu, H.-B.]Department of Chemistry, Fuzhou University, Fuzhou Fujian, China
  • [ 5 ] [Sun, Y.-Q.]Department of Chemistry, Fuzhou University, Fuzhou Fujian, China
  • [ 6 ] [Huang, W.-Y.]Department of Chemistry, Fuzhou University, Fuzhou Fujian, China

Reprint 's Address:

  • [Chen, Y.-P.]Department of Chemistry, Fuzhou University, Fuzhou Fujian, China

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Source :

Dalton Transactions

ISSN: 1477-9226

Year: 2012

Issue: 33

Volume: 41

Page: 10035-10042

3 . 8 0 6

JCR@2012

3 . 5 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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