Some factors influencing the morphology of α-zirconium phosphate and its intercalation reactions with a bifunctional thioether amine

T. X. Fan, T. Hirose, T. Okabe, D. Zhang, R. Teranisi, M. Yoshimura

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2 引文 斯高帕斯(Scopus)

摘要

Crystalline samples of α-zirconium phosphate, (α-ZrP, α-Zr(HPO4)2·H2O) have been prepared decomposition of zirconium fluoride complexes in the presence of phosphoric acid under a variety of conditions. The crystallinity and morphology have been shown to depend on a number of factors including the F-/Zr4+ ratio, the concentration of Zr4+ ions, the material of the reaction vessel and the reaction temperature. Under conditions of rapid precipitation small plate-like crystals of α-ZrP are produced whereas under conditions of slow crystallisation larger crystals with a lower aspect ratio are formed. The relative intensities of the d002, d110 and d112 reflections observed by X-ray powder diffraction show a correlation with the crystal morphology as determined by SEM. The intercalation reaction of 4-(methylmercapto)aniline with different samples of α-ZrP under a variety of conditions has been studied. Incomplete intercalation is observed in each case, with the extent of intercalation depending on both the morphology of the α-ZrP and the reaction conditions. The intercalated amine has been shown to exist as a mixture of protonated cations and neutral molecules.

原文English
頁(從 - 到)5-16
頁數12
期刊Journal of Porous Materials
9
發行號1
DOIs
出版狀態Published - 2002 三月 1

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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