Solid-state intercalation of 8-Hydroxyquinoline into Li(I)-, Zn(II)- and Mn(II)-montmorillonites

Nithima Khaorapapong, Makoto Ogawa

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

Formation of three fluorescent complexes, Li(I)-, Zn(II)- and Mn(II)-8-hydroxyquinoline complexes (Mqn), was investigated in the interlayer spaces of montmorillonites by solid-solid reactions between homoionic (Li(I), Zn(II) and Mn(II)) montmorillonites and neat 8-hydroxyquinoline at room temperature. The intercalation of 8-hydroxyquinoline molecules into the interlayer spaces of Li(I)-, Zn(II)- and Mn(II)-montmorillonites was confirmed by powder XRD, FT-IR, TG-DTA and chemical analysis. The in-situ complex formation was proved by FT-IR, UV-vis, and photoluminescence spectroscopies. The absorption and luminescence bands of the complexes shifted slightly compared to the corresponding neat complexes, suggesting the different microstructures including molecular packing of the complexes in the interlayer spaces of montmorillonites as a result of host-guest interactions.

Original languageEnglish
Pages (from-to)31-38
Number of pages8
JournalApplied Clay Science
Volume35
Issue number1-2
DOIs
Publication statusPublished - 2007 Jan

Fingerprint

Oxyquinoline
Intercalation
Photoluminescence spectroscopy
luminescence
Ultraviolet spectroscopy
Powders
chemical analysis
Differential thermal analysis
Luminescence
microstructure
spectroscopy
X-ray diffraction
Microstructure
Molecules
Chemical analysis
solid state
temperature
Temperature

Keywords

  • 8-Hydroxyquinoline
  • Intercalation
  • Montmorillonite
  • Solid-solid reaction

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geology

Cite this

Solid-state intercalation of 8-Hydroxyquinoline into Li(I)-, Zn(II)- and Mn(II)-montmorillonites. / Khaorapapong, Nithima; Ogawa, Makoto.

In: Applied Clay Science, Vol. 35, No. 1-2, 01.2007, p. 31-38.

Research output: Contribution to journalArticle

Khaorapapong, Nithima ; Ogawa, Makoto. / Solid-state intercalation of 8-Hydroxyquinoline into Li(I)-, Zn(II)- and Mn(II)-montmorillonites. In: Applied Clay Science. 2007 ; Vol. 35, No. 1-2. pp. 31-38.
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