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Optical properties of silicon nanocrystals covered by periodic array of gold nanowires
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics. Skolkovo Institute of Science and Technology, Russia.
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Optics and Photonics, OFO.
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2016 (English)In: Physical Review B, ISSN 2469-9950, Vol. 93, no 20, 205413Article in journal (Refereed) PublishedText
Abstract [en]

Extinction and photoluminescence spectra are experimentally and theoretically studied for a periodic array of gold nanowires deposited on top of a dielectric substrate containing silicon nanocrystals. Quasiguided modes are observed in the substrate resulting in modification of optical properties of silicon nanocrystals. Our calculations of extinction and photoluminescence spectra are in good agreement with experimental results. The periodicity provides a powerful tool for achieving a high photoluminescence outcoupling efficiency of silicon nanocrystals.

Place, publisher, year, edition, pages
American Physical Society , 2016. Vol. 93, no 20, 205413
Keyword [en]
Spontaneous-Emission, Photonic Crystals, Quantum Dots, Photoluminescence, Polarization
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-187780DOI: 10.1103/PhysRevB.93.205413ISI: 000375540900007ScopusID: 2-s2.0-84966440377OAI: oai:DiVA.org:kth-187780DiVA: diva2:931685
Note

QC 20160530

Available from: 2016-05-30 Created: 2016-05-30 Last updated: 2016-05-30Bibliographically approved

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