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SurfaceScience21 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 16: Mini-Symposium: Free-standing functional molecular 2D materials II

O 16.1: Hauptvortrag

Montag, 1. März 2021, 13:30–14:00, R2

Combining 2D materials and optical metasurfaces — •Isabelle Staude — Institute of Solid State Physics, Abbe Center of Photonics, Friedrich Schiller University Jena, 07743 Jena, Germany

Optical metasurfaces, two-dimensional arrangements of designed nanoresonators, offer unique opportunities for controlling light fields and for tailoring the interaction of light with nanoscale matter. Due to their flat nature, their integration with two-dimensional materials consisting of only a single molecular layer is particularly interesting [1]. This talk reviews our recent and ongoing activities in hybridizing optical metasurfaces composed of resonant metallic or dielectric building blocks with different types of two-dimensional materials, including monolayer transition metal dichalcogenides (2D-TMDs) and carbon nanomembranes (CNMs). On the one hand, we will show that CNMs can serve as mechanically stable substrates for free-standing metasurface architectures of nanoscale thickness [2]. On the other hand, we will demonstrate that the ability of the nanoresonators to concentrate light into nanoscale volumes can be utilized to carefully control the properties, such as pattern and polarization, of light emitted by 2D-TMDs via photoluminescence or nonlinear processes [3,4]. [1] R. Mupparapu et al., Advances in Physics: X 5, 1734083 (2020). [2] Y. D. Sirmaci et al., ACS Photonics 7, 1060 (2020). [3] T. Bucher et al., ACS Photonics 6, 1002 (2019). [4] F. J.F. Löchner et al., ACS Photonics, https://doi.org/10.1021/acsphotonics.0c01375 (2020).

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