TY - JOUR
T1 - The effect of cetyltrimethylammonium ion and type of smectites on the luminescence efficiency of bis(8-hydroxyquinoline)zinc(II) complex
AU - Pimchan, Patcharaporn
AU - Khaorapapong, Nithima
AU - Ogawa, Makoto
PY - 2014/11/1
Y1 - 2014/11/1
N2 - A luminescence metal complex, bis(8-hydroxyquinoline)zinc(II) (Znq2), was incorporated into the interlayer space of smectites (a natural montmorillonite and a synthetic saponite) by two different ways; colloidal processes via the in situ formation of bis(8-hydroxyquinoline)zinc(II) in cetyltrimethylammonium-smectites (CTA-smectites) and the adsorption of cetyltrimethylammonium coated bis(8-hydroxyquinoline)zinc(II) (Znq2CTA) into hydrophilic smectites. The UV-Vis spectra confirmed the formation and the incorporation of bis(8-hydroxyquinoline)zinc(II) in the interlayer space of smectites. The photoluminescence bands of Znq2CTA@montmorillonite and Znq2@CTA-montmorillonite (498nm) were blue shifted in comparison with the weak emission bands of Znq2CTA@saponite and Znq2@CTA-saponite (510nm), indicating the formation of different nanostructures and/or packing of bis(8-hydroxyquinoline)zinc(II) in the two types of smectites. The state of the intercalated cetyltrimethylammonium ions also played a key role to the luminescence intensities of the products due to the concentration quenching and self-absorption.
AB - A luminescence metal complex, bis(8-hydroxyquinoline)zinc(II) (Znq2), was incorporated into the interlayer space of smectites (a natural montmorillonite and a synthetic saponite) by two different ways; colloidal processes via the in situ formation of bis(8-hydroxyquinoline)zinc(II) in cetyltrimethylammonium-smectites (CTA-smectites) and the adsorption of cetyltrimethylammonium coated bis(8-hydroxyquinoline)zinc(II) (Znq2CTA) into hydrophilic smectites. The UV-Vis spectra confirmed the formation and the incorporation of bis(8-hydroxyquinoline)zinc(II) in the interlayer space of smectites. The photoluminescence bands of Znq2CTA@montmorillonite and Znq2@CTA-montmorillonite (498nm) were blue shifted in comparison with the weak emission bands of Znq2CTA@saponite and Znq2@CTA-saponite (510nm), indicating the formation of different nanostructures and/or packing of bis(8-hydroxyquinoline)zinc(II) in the two types of smectites. The state of the intercalated cetyltrimethylammonium ions also played a key role to the luminescence intensities of the products due to the concentration quenching and self-absorption.
KW - 8-Hydroxyquinoline
KW - Bis(8-hydroxyquinoline)zinc(II)
KW - Cetyltrimethylammonium ion
KW - Montmorillonite
KW - Saponite
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UR - http://www.scopus.com/inward/citedby.url?scp=84908365923&partnerID=8YFLogxK
U2 - 10.1016/j.clay.2014.08.004
DO - 10.1016/j.clay.2014.08.004
M3 - Article
SN - 0169-1317
VL - 101
SP - 223
EP - 228
JO - Applied Clay Science
JF - Applied Clay Science
ER -