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Layered Double Hydroxide-CdSe Quantum Dot Composites through Colloidal Processing: Effect of Host Matrix-Nanoparticle Interaction on Optical Behavior

Venugopal, BR and Ravishankar, N and Perrey, Christopher R and Shivakumara, C and Rajamathi, Michael (2006) Layered Double Hydroxide-CdSe Quantum Dot Composites through Colloidal Processing: Effect of Host Matrix-Nanoparticle Interaction on Optical Behavior. In: Journal of Physical Chemistry B, 110 (2). pp. 772-776.

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Abstract

Layered double hydroxide (LDH)-monodispersed 4-nm CdSe nanoparticle composites were prepared through restacking of layers of colloidally dispersed delaminated LDH in the presence of CdSe nanoparticles in 1-butanol. The composites exhibit a blue shift for CdSe absorption, which increases with a decrease in nanoparticle content. The observed blue shift is due to the interaction of the quantum dots with the LDH layers, which leads to surface modification of the nanoparticles.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Chemical Society.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 24 May 2007
Last Modified: 19 Sep 2010 04:36
URI: http://eprints.iisc.ernet.in/id/eprint/10322

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