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Enhanced Raman and luminescence spectra from co-encapsulated silicon quantum dots and Au-Ag nanoalloys

Lookup NU author(s): Noor Harun, Dr Ben Horrocks, Professor David Fulton

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

We report an approach to enhance simultaneously luminescence and SERS signals with a single excitation wavelength by co-encapsulating silicon quantum dots and Au-Ag alloy nanoparticles encoded with Raman reporter molecules inside polymeric nanoparticles. The SERS-luminescence enhancement exploits the large Stokes shift of silicon quantum dots, which allows 'room' for the display of a Raman spectrum.

Publication metadata

Author(s): Harun NA, Horrocks BR, Fulton DA

Publication type: Article

Publication status: Published

Journal: Chemical Communications

Year: 2014

Volume: 50

Issue: 82

Pages: 12389-12391

Print publication date: 21/10/2014

Online publication date: 27/08/2014

Acceptance date: 27/08/2014

Date deposited: 19/11/2014

ISSN (print): 1359-7345

ISSN (electronic): 1364-548X

Publisher: Royal Society of Chemistry

URL: http://dx.doi.org/10.1039/c4cc06438k

DOI: 10.1039/c4cc06438k

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