Ion-exchange reactions of a layered aluminophosphate, [AlPO 4(OH)](C6H5C2H4NH 3)

Masato Mesaki*, Fumiaki Tando, Seiichi Tahara, Yoshiyuki Sugahara

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Reactions between a layered aluminophosphate [AlPO4(OH)](C 6H5C2H4NH3) and an nalkylammonium ion [n-propylammonium (C3), n-butylammonium (C4) or n-hexylammonium ion (C6)] were examined. Upon reactions, the X-ray diffraction (XRD) patterns of the products showed changes in the interlayer distance from 1.97 nm to 1.66 nm (AlPO-C3), 1.86 nm (AlPO-C4), and 2.26 nm (AlPO-C6), and the interlayer distance thus increased linearly with increases in the length of the n-alkyl chains. Solid-state 13C nuclear magnetic resonance spectroscopy with cross polarization and magic angle spinning techniques ( 13C CP/MAS NMR) and infrared adsorption (IR) spectroscopy showed that C6H5C2H4NH3+ ions were eliminated and n-CnH2n+1NH3 + ions were introduced. Scanning electron microscopy (SEM) images showed, moreover, that the platy morphology of [AlPO4(OH)](C 6H5C2H4NH3) was maintained upon reactions. These results demonstrate that [AlPO 4(OH)](C6H5C2H4NH 3) underwent ion-exchange reactions with n-alkylammonium ions.

Original languageEnglish
Title of host publicationSolid-State Chemistry of Inorganic Materials VII
Number of pages6
Publication statusPublished - 2008 Dec 1
Event2008 MRS Fall Meeting - Boston, MA, United States
Duration: 2008 Dec 12008 Dec 5

Publication series

NameMaterials Research Society Symposium Proceedings
ISSN (Print)0272-9172


Conference2008 MRS Fall Meeting
Country/TerritoryUnited States
CityBoston, MA

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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