Preparation of a series of group XIII metal-quinolate complexes in natural and synthetic smectites

Patcharaporn Pimchan, Nithima Khaorapapong, Makoto Ogawa

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The preparation of metal-quinolate complexes, Mq3 (M=Al(III), Ga(III) and In(III); q=8-hydroxyquinoline) in the interlayer spaces of smectites (natural montmorillonite and synthetic saponite), as well as their optical properties were investigated. The basal spacings of the products increased through solid-solid reactions between M(III)-smectites and 8-hydroxyquinoline, indicating the intercalation of 8-hydroxyquinoline. The photoluminescence maxima and intensities of the intercalation compounds varied depending on the metal ions and nature of clay minerals. The PL intensities of Mq3 complexes in synthetic saponite were higher than those of the complexes in montmorillonite because of the difference in molecular structure and/or molecular packing, as well as the presence of the quenching impurities in montmorillonite.

Original languageEnglish
Pages (from-to)287-291
Number of pages5
JournalApplied Clay Science
Volume54
Issue number3-4
DOIs
Publication statusPublished - 2011 Dec

Fingerprint

Bentonite
Oxyquinoline
Coordination Complexes
montmorillonite
smectite
saponite
metal
Intercalation compounds
Intercalation
Clay minerals
optical property
Molecular structure
Metal ions
clay mineral
Quenching
Photoluminescence
spacing
Optical properties
Impurities
ion

Keywords

  • 8-Hydroxyquinoline
  • Montmorillonite
  • Optical properties
  • Saponite
  • Solid-state intercalation

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geology

Cite this

Preparation of a series of group XIII metal-quinolate complexes in natural and synthetic smectites. / Pimchan, Patcharaporn; Khaorapapong, Nithima; Ogawa, Makoto.

In: Applied Clay Science, Vol. 54, No. 3-4, 12.2011, p. 287-291.

Research output: Contribution to journalArticle

Pimchan, Patcharaporn ; Khaorapapong, Nithima ; Ogawa, Makoto. / Preparation of a series of group XIII metal-quinolate complexes in natural and synthetic smectites. In: Applied Clay Science. 2011 ; Vol. 54, No. 3-4. pp. 287-291.
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