Formation of MnS particles in the interlayer space of montmorillonite

Nithima Khaorapapong, Areeporn Ontam, Makoto Ogawa

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

MnS formed in the interlayer space of montmorillonite by solid-solid reaction between powders of Mn(II)-montmorillonite and sodium sulfide at an ambient condition. The product was characterized though XRD, Raman, UV-visible and photoluminescence spectroscopies. The formation of sulfide ions to the interlayer manganese cations was indicated by Raman, UV-visible, and photoluminescence spectra. The heat treated product after storage for 4 months exhibited the absorption bands at 314 and 380 nm and the photoluminescence bands at 416 and 435 nm, while no luminescence band was observed for the product after the heat treatment.

Original languageEnglish
Pages (from-to)3722-3723
Number of pages2
JournalMaterials Letters
Volume62
Issue number21-22
DOIs
Publication statusPublished - 2008 Aug 15

Fingerprint

Bentonite
montmorillonite
Clay minerals
interlayers
Photoluminescence
photoluminescence
Photoluminescence spectroscopy
sulfides
Sulfides
products
Manganese
Powders
Cations
Luminescence
Absorption spectra
Positive ions
Heat treatment
Sodium
Ions
manganese

Keywords

  • MnS
  • Montmorillonite
  • Optical properties
  • Solid-solid reaction

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Formation of MnS particles in the interlayer space of montmorillonite. / Khaorapapong, Nithima; Ontam, Areeporn; Ogawa, Makoto.

In: Materials Letters, Vol. 62, No. 21-22, 15.08.2008, p. 3722-3723.

Research output: Contribution to journalArticle

Khaorapapong, Nithima ; Ontam, Areeporn ; Ogawa, Makoto. / Formation of MnS particles in the interlayer space of montmorillonite. In: Materials Letters. 2008 ; Vol. 62, No. 21-22. pp. 3722-3723.
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