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Exciton Plasmon Coupling in Hybrid Semiconductor - Metal Nanoparticle Monolayers

Tripathi, LN and Haridas, M and Basu, JK (2009) Exciton Plasmon Coupling in Hybrid Semiconductor - Metal Nanoparticle Monolayers. In: International Conference on Transport and Optical Properties of Nanomaterials (ICTOPON 2009), JAN 05-08, 2009, Allahabad, INDIA, pp. 415-420.

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Abstract

Hybrid semiconductor-metal nanoparticles monolayer of Cadmium Sclenide and gold nanoparticles has been prepared, using Langmuir – Blodgett technique. The near field photoluminescence spectra from such monolayer films, shows red shift similar to 75 meV with respect to CdSe QDs monolayer film and splitting similar to 57 meV. The composite spectra are much broader similar to 330 meV compared to the corresponding emission spectra of CdSe monolayer similar to 165 meV. The possible explanation for the observed features are provided in terms of exciton - Plasmon interaction.

Item Type: Conference Paper
Additional Information: Copyright for this article belongs to American Institute of physics.
Keywords: Excitons; Plasmons; Near-field scanning microscopy
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 09 Dec 2009 10:06
Last Modified: 09 Dec 2009 10:06
URI: http://eprints.iisc.ernet.in/id/eprint/24831

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