Synthesis and structure of two acentric heterometallic inorganic-organic hybrid frameworks with both nonlinear optical and ferroelectric properties

Fenglei Du, Huabin Zhang, Chongbin Tian, Shaowu Du

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

Solvothermal reactions of Cd(NO3)2·4H 2O with aromatic polycarboxylic acids in the presence of sodium nitrate led to two acentric three-dimensional (3D) heterometallic inorganic-organic hybrid frameworks, namely, [Me2NH 2][Cd2Na3(2,4-PYDC)4]·2H 2O (1) and [Me2NH2] [CdNa(OH-m-BDC) 2(H2O)2]·2H2O (2) (2,4-H 2PYDC = 2,4-pyridinedicarboxylic acid, OH-m-H2BDC = 5-hydroxyisophthalic acid). The framework of 1 is constructed by a 3D inorganic Cd-Na connectivity, which resembles a concrete reinforcement structure and features a {CdNa}n rod-shaped chain, a {CdNa2}n helical chain, and a 20-membered {Cd6Na14} ring. Compound 2 is built up by one-dimensional inorganic {CdNa}n rod-shaped chains which are further connected by OH-m-BDC2- ligands, affording a 3D polymeric framework. Compounds 1 and 2 crystallize in acentric space groups, and both display powder second harmonic generation efficiencies approximately 0.8 and 0.7 times, respectively, than that of the potassium dihydrogen phosphate (KDP) powder. In addition, they also exhibit luminescence and potential ferroelectric properties. © 2013 American Chemical Society.
Original languageEnglish (US)
Pages (from-to)1736-1742
Number of pages7
JournalCrystal Growth and Design
Volume13
Issue number4
DOIs
StatePublished - Apr 3 2013
Externally publishedYes

ASJC Scopus subject areas

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

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