A series of POM/Ag-based hybrids: Distinct forms and assembly of [Ag xLy] complexes through combinational effects of POM and isomeric ligands

Min Zhu, Sheng Qun Su, Xue Zhi Song, Zhao Min Hao, Shu Yan Song, Hong Jie Zhang

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33 Citations (Scopus)

Abstract

Five POM/Ag-based hybrids were obtained under hydrothermal conditions: (AgLa)2[Ag2La2(SiW 12O40)] (1), [(AgLb)2-Ag 2Lb2][(SiW12O40)] (2) Na2[AgLa(HLa)]2[Ag5L a4(H2O)2][H(P2W 18O62)2] ·21.6H2O (3), [Ag5Lb5][K2(OH)P2W 18O62]·H2O (4) and [Ag2L a2][HPW12O40]·7.5H 2O (5) (La = 1,2-bis(imidazol-1-ylmethyl)benzene; L b = 1,3-bis(imidazol-1-ylmethyl)benzene). It is likely that the forms and assembly of [AgxLy] complexes are crucial to the eventual structures, which are quite dependent on the POM and isomeric ligands in combination. Compound 1 shows a "S"-like chain structure with [(AgLa)2]n2n+ templates, while compound 2 features a unique 2D layer constructed by polypseudo-rotoxane motifs and infinite Ag chains. Compound 3 exhibits a 2D layer consisting of {Dawson-Ag5} double chain and [AgLa2] complexes. Compound 4 possesses a 3D poly-threading framework containing {POM-K} chains and interdigitated metal-organic layers. Compound 5 is a 1D chain, formed by Keggin anions and [Ag2La2] circles. Further, the luminescent and electrochemical properties of 1-5 are also investigated.

Original languageEnglish
Pages (from-to)6452-6461
Number of pages10
JournalCrystEngComm
Volume14
Issue number20
DOIs
Publication statusPublished - Oct 21 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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