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Hydrothermal synthesis and characterization of a new layered gallophosphate JGP-L1 with a Ga/P ratio of non-unity

  • Yulin Yang
  • , Yunling Liu
  • , Zhongcheng Mu
  • , Ling Ye
  • , Tao Hu
  • , Chao Chen
  • , Wenqin Pang*
  • *Corresponding author for this work
  • College of Chemistry

Research output: Contribution to journalArticlepeer-review

Abstract

A new compound, Ga6(OH)4(HPO4) 2(PO4)5·C8H 28N5·3H2O (denoted JGP-L1), with a gallophosphate layer and a Ga/P ratio of 6/7 has been synthesized hydrothermally by using tetraethylenepentamine as template. It is characterized by powder X-ray diffraction (XRD), elemental analysis, inductively coupled plasma, and TGA analysis and structurally determined by single-crystal XRD analysis. JGP-L1 crystallizes in the orthorhombic, space group Pna21 (no. 33), with a=16.422(3), b=11.898(2), c=18.730(4)Å, V=3659.6(13)Å3 and Z=4. The structure of JGP-L1 is built up by alternating of Ga(OH)2O4 octahedra, Ga(OH)O4 trigonal bipyramids and PO4 (or HPO4) tetrahedra to form inorganic sheets. It is noteworthy that JGP-L1 was synthesized with extremely low reactant concentration, where the reaction mixture exhibits a H 2O:Ga2O3 molar ratio of 2220:1.

Original languageEnglish
Pages (from-to)696-700
Number of pages5
JournalJournal of Solid State Chemistry
Volume177
Issue number3
DOIs
StatePublished - Mar 2004
Externally publishedYes

Keywords

  • Characterization
  • Extremely low reactional concentration
  • Layered gallophosphate
  • Synthesis
  • Tetraethylenepentamine

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