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Extreme behavior of light-matter interaction in plasmonic nanostructures coupled with 2D materials

Grant number: 21/03311-3
Support type:Regular Research Grants
Duration: October 01, 2021 - September 30, 2025
Field of knowledge:Physical Sciences and Mathematics - Physics - Condensed Matter Physics
Cooperation agreement: Swiss National Science Foundation (SNSF)
Principal researcher:Euclydes Marega Junior
Grantee:Euclydes Marega Junior
Principal researcher abroad: Andras Kis
Institution abroad: École Polytechnique Fédérale de Lausanne (EPFL), Switzerland
Home Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Assoc. researchers: Alexey Belyanin ; Marcio Daldin Teodoro

Abstract

Two-dimensional materials in the form of atomically thin layers such as graphene, MoS2 etc. are under intense study due to the unique combination of interesting fundamental properties, easy tuneability due to the atomic-scale dimensions and potentially interesting and disruptive applications in the semiconductor or optoelectronic industry. The strong light-matter interaction in 2D semiconductors, and a planar geometry with an atomic-scale thickness make them ideal for integration with plasmonic nanostructures that could be used to further enhance light absorption, modify exciton lifetime or control exciton transport. In this project, we aim to combine strengths of the Swiss partner in the area of optoelectronic devices based on 2D materials with those of the Brazilian partners in the area of plasmonic nanostructures and nanocrystals. The synergy between plasmons and the intrinsic exciton properties of two-dimensional materials could be used to explore both strong-light matter interaction and new device applications. They could be used to create photoluminescence enhancement, coherent light emission and exciton manipulation and control. (AU)

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