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Spectral tuning of plasmon-enhanced silicon quantum dot luminescence

Biteen, Julie S. and Lewis, Nathan S. and Atwater, Harry A. and Mertens, Hans and Polman, Albert (2006) Spectral tuning of plasmon-enhanced silicon quantum dot luminescence. Applied Physics Letters, 88 (13). Art. No. 131109. ISSN 0003-6951. https://resolver.caltech.edu/CaltechAUTHORS:BITapl06

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Abstract

In the presence of nanoscale silver island arrays, silicon quantum dots exhibit up to sevenfold luminescence enhancements at emission frequencies that correspond to the collective dipole plasmon resonance frequency of the Ag island array. Using electron-beam lithography to alter the pitch and particle diameter, this wavelength-selective enhancement can be varied as the metal array resonance wavelength is tuned from 600 to 900 nm. The luminescence intensity enhancement upon coupling is attributed to an increase in the radiative decay rate of the silicon quantum dots.


Item Type:Article
ORCID:
AuthorORCID
Lewis, Nathan S.0000-0001-5245-0538
Atwater, Harry A.0000-0001-9435-0201
Additional Information:© 2006 American Institute of Physics (Received 9 November 2005; accepted 16 February 2006; published online 31 March 2006) Work at AMOLF is part of the research program of FOM, supported by NOW and NANONED, a nanotechnology program of the Dutch Ministry of Economic Affairs. Sample fabrication and characterization were done at the Amsterdam nanoCenter. This work was also partially supported by NSF Grant No. CHE-0213589 and by AFOSR MURI Award No. FA9550-04-1-0434. One of the authors (H.A.A.) acknowledges the support of a Joop Los Fellowship awarded by AMOLF.
Funders:
Funding AgencyGrant Number
Stichting voor Fundamenteel Onderzoek der Materie (FOM)UNSPECIFIED
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)UNSPECIFIED
NANONEDUNSPECIFIED
Ministry of Economic Affairs (Netherlands)UNSPECIFIED
NSFCHE-0213589
Air Force Office of Scientific Research (AFOSR)FA9550-04-1-0434
AMOLFUNSPECIFIED
Subject Keywords:silicon; elemental semiconductors; semiconductor quantum dots; photoluminescence; optical tuning; radiative lifetimes; silver; electron beam lithography; surface plasmon resonance
Issue or Number:13
Record Number:CaltechAUTHORS:BITapl06
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:BITapl06
Alternative URL:http://dx.doi.org/10.1063/1.2191411
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3576
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:16 Jun 2006
Last Modified:02 Oct 2019 23:04

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