An incorporation of cadmium selenide at organophillic surface of clay mineral

Areeporn Ontam, Nithima Khaorapapong, Makoto Ogawa

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The hybridization of cadmium selenide and organically modified clay mineral, cetyltrimethylammonium-montmorillonite, was investigated by a simply colloidal process. The hybrid was characterized by powder X-ray diffraction, thermal analysis, transmission electron microscopy, as well as Raman, UV-visible and photoluminescence spectroscopies. The blue-shift of the absorption onset and the appearance of the luminescence band at the wavelength of 565. nm for cadmium selenide-cetyltrimethylammonium-montmorillonite were thought to be caused by the restricted microenvironment of cetyltrimethylammonium-montmorillonite that affected the particle size and growth of the cadmium selenide nanoparticles. Transmission electron micrograph showed that the cadmium selenide nanoparticles with the diameters of 7.00-10.10. nm were intercalated in the interlayer space. The enhancement of the emission intensity of the stored hybrid indicated that solid surface of cadmium selenide in the adsorbed state could be tailored by cetyltrimethylammonium-montmorillonite.

Original languageEnglish
Pages (from-to)27-33
Number of pages7
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume411
DOIs
Publication statusPublished - 2012 Oct 5

Fingerprint

cadmium selenides
Bentonite
Clay minerals
Cadmium
clays
montmorillonite
minerals
Nanoparticles
nanoparticles
Photoluminescence spectroscopy
blue shift
solid surfaces
X ray powder diffraction
Thermoanalysis
Luminescence
interlayers
thermal analysis
Particle size
cadmium selenide
luminescence

Keywords

  • Cadmium selenide
  • Hybrid
  • Montmorillonite
  • Optical property
  • Photoluminescence

ASJC Scopus subject areas

  • Colloid and Surface Chemistry

Cite this

An incorporation of cadmium selenide at organophillic surface of clay mineral. / Ontam, Areeporn; Khaorapapong, Nithima; Ogawa, Makoto.

In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 411, 05.10.2012, p. 27-33.

Research output: Contribution to journalArticle

Ontam, Areeporn ; Khaorapapong, Nithima ; Ogawa, Makoto. / An incorporation of cadmium selenide at organophillic surface of clay mineral. In: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2012 ; Vol. 411. pp. 27-33.
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