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Title: Plasmon induced modification of silicon nanocrystals photoluminescence in presence of gold nanostripes

Journal Article · · Scientific Reports
 [1];  [2];  [3];  [2];  [2];  [2];  [4];  [2];  [5];  [3];  [1];  [6]
  1. Skolkovo Institute of Science and Technology, Photonics, and Quantum Materials Center, Moscow (Russia)
  2. Lomonosov Moscow State University, Moscow (Russia). Faculty of Physics
  3. KTH Royal Institute of Technology, School of Engineering, Stockholm (Sweden)
  4. Lomonosov Moscow State University, Moscow (Russia). Faculty of Physics; Skobeltsyn Institute of Nuclear Physics, Moscow (Russia)
  5. Lomonosov Moscow State University, Moscow (Russia). Faculty of Physics; National Research Centre Institute, Moscow (Russia)
  6. Lomonosov Moscow State University, Moscow (Russia). Faculty of Physics; A. M. Prokhorov General Physics Institute, Moscow (Russia)

Here, we report on the results of theoretical and experimental studies of photoluminescense of silicon nanocrystals in the proximity to plasmonic modes of different types. In the studied samples, the type of plasmonic mode is determined by the filling ratio of a one-dimensional array of gold stripes which covers the thin film with silicon nanocrystals on a quartz substrate. We analyze the extinction, photoluminesce spectra and decay kinetics of silicon nanocrystals and show that the incident and emitted light is coupled to the corresponding plasmonic mode. We demonstrate the modification of the extinction and photoluminesce spectra under the transition from wide to narrow gold stripes. The experimental extinction and photoluminescense spectra are in good agreement with theoretical calculations performed by the rigorous coupled wave analysis. Finally, we study the contribution of individual silicon nanocrystals to the overall photoluminescense intensity, depending on their spacial position inside the structure.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1441467
Report Number(s):
SAND-2018-3745J; 662507
Journal Information:
Scientific Reports, Vol. 8, Issue 1; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Cited By (4)

Photoluminescence Intensity Enhancement of Single Silicon Quantum Dots on a Metal Membrane with a Spacer journal October 2019
Optical tuning of plasmon-enhanced photoluminescence journal January 2019
Non-equilibrium electronic transport through a quantum dot with strong Coulomb repulsion in the presence of a magnetic field journal January 2020
Topological Laser-Induced Quantum States in Nanocluster Structures: Fundamental Effects and Possible Applications (Electrical and Optical) journal July 2019