Strong Enhancement of PbS Quantum Dot NIR Emission Using Plasmonic Semiconductor Nanocrystals in Nanoporous Silicate Matrix
Source abstract
Abstract
Abstract Strong enhancement of near‐infrared (NIR) emission of lead sulfide quantum dots (QDs) induced by Cu2−xSe semiconductor plasmonic nanocrystals (PNCs), both embedded into nanoporous silicate matrix is reported. The emission enhancement comes from resonant interaction of QD optical transition dipole with the near field of plasmons of semiconductor PNCs. Possible mechanisms of QD photoluminescence broadening and shift, including Rabi splitting and trap‐state‐related photoluminescence enhancement, are considered. As a result, a novel optical luminescent material, which can be used as an efficient source of NIR emission is demonstrated.
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Research context
OpenAlex topics: Quantum Dots Synthesis And Properties · Gold and Silver Nanoparticles Synthesis and Applications · Nanocluster Synthesis and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Optical Physics and Modern Natural Science ITMO University, Saint‐Petersburg 49 Kronverksky pr. Saint‐Petersburg 197101 Russia
Department of Photonics and Optical Information Technologies ITMO University, Saint‐Petersburg 49 Kronverksky pr. Saint‐Petersburg 197101 Russia
School of Chemistry and CRANN Trinity College Dublin Dublin 2 Ireland
Funding
Ministry of Education and Science of the Russian Federation · Science Foundation Ireland · Russian Foundation for Basic Research
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