Formation of MnS- and NiS-montmorillonites by solid-solid reactions

Nithima Khaorapapong, Areeporn Ontam, Jinda Khemprasit, Makoto Ogawa

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

MnS and NiS, which are a class of material used as a phosphor in thin film electroluminescence devices, formed in the interlayer spaces of montmorillonite by solid-solid reactions between powder of Mn(II)- or Ni(II)-montmorillonite and sodium sulfide at room temperature. The intercalation compounds were characterized by powder X-ray diffraction, transmission electron microscopy, thermal analysis, thermogravimetric-mass spectroscopy analysis, and Raman, UV-visible and luminescence spectroscopies. The present solid-state intercalation and in situ formation of metal sulfides in the interlayer spaces of montmorillonite are a feasible synthetic route to prepare metal sulfide-montmorillonite hybrid materials with novel nanostructure and properties. Crown

Original languageEnglish
Pages (from-to)238-242
Number of pages5
JournalApplied Clay Science
Volume43
Issue number2
DOIs
Publication statusPublished - 2009 Feb

Fingerprint

Bentonite
montmorillonite
sulfide
Sulfides
Metals
spectroscopy
Spectroscopy
Intercalation compounds
metal
Hybrid materials
Electroluminescence
Intercalation
luminescence
Phosphors
Powders
X ray powder diffraction
Thermoanalysis
Luminescence
transmission electron microscopy
Nanostructures

Keywords

  • Manganese sulfide
  • Montmorillonite
  • Nickel sulfide
  • Optical properties
  • Solid-solid reaction

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geology

Cite this

Formation of MnS- and NiS-montmorillonites by solid-solid reactions. / Khaorapapong, Nithima; Ontam, Areeporn; Khemprasit, Jinda; Ogawa, Makoto.

In: Applied Clay Science, Vol. 43, No. 2, 02.2009, p. 238-242.

Research output: Contribution to journalArticle

Khaorapapong, N, Ontam, A, Khemprasit, J & Ogawa, M 2009, 'Formation of MnS- and NiS-montmorillonites by solid-solid reactions', Applied Clay Science, vol. 43, no. 2, pp. 238-242. https://doi.org/10.1016/j.clay.2008.07.027
Khaorapapong, Nithima ; Ontam, Areeporn ; Khemprasit, Jinda ; Ogawa, Makoto. / Formation of MnS- and NiS-montmorillonites by solid-solid reactions. In: Applied Clay Science. 2009 ; Vol. 43, No. 2. pp. 238-242.
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