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Inclusion of poly-aromatic hydrocarbon (PAH) molecules in a functionalized layered double hydroxide

Mohanambe, L and Vasudevan, S (2006) Inclusion of poly-aromatic hydrocarbon (PAH) molecules in a functionalized layered double hydroxide. In: Journal of Chemical Sciences, 118 (1). pp. 105-115.

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Abstract

The internal surface of an Mg-Al layered double hydroxide has been functionalized by anchoring carboxy-methyl derivatized beta-cyclodextrin cavities to the gallery walls. Neutral polyaromatic hydrocarbon (PAH) molecules have been included within the functionalized solid by driving the hydrophobic aromatic molecules from a polar solvent into the less polar interior of the anchored cyclodextrin cavities by a partitioning process. The optical (absorption and emission) properties of the PAH molecules included within the functionalized Mg-Al layered double hydroxide solid are similar to that of dilute solutions of the PAH in non-polar solvents. The unique feature of these hybrid materials is that they are thermally stable over a wide temperature range with their emission properties practically unaltered.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Indian Academy of Sciences.
Keywords: Layered double hydroxide;polyaromatic hydrocarbon molecules; thermal;emission properties.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 30 Mar 2009 09:20
Last Modified: 19 Sep 2010 04:57
URI: http://eprints.iisc.ernet.in/id/eprint/17429

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