Single-molecule study for a graphene-based nano-position sensor

Abstract

In this study we lay the groundwork for a graphene-based fundamental ruler at the nanoscale. It relies on the efficient energy-transfer mechanism between single quantum emitters and low-doped graphene monolayers. Our experiments, conducted with dibenzoterrylene (DBT) molecules, allow going beyond ensemble analysis due to the emitter photo-stability and brightness. A quantitative characterization of the fluorescence decay-rate modification is presented and compared to a simple model, showing agreement with the $d^{-4}$ dependence, a genuine manifestation of a dipole interacting with a 2D material. With DBT molecules, we can estimate a potential uncertainty in position measurements as low as 5nm in the range below 30nm.

References in corpus (7)

• The electronic properties of graphene
• The Raman Fingerprint of Graphene
• Universal Dynamic Conductivity and Quantized Visible Opacity of Suspended Graphene
• Photonic quantum technologies
• Entanglement of two qubits mediated by one-dimensional plasmonic waveguides
• Reversible dynamics of single quantum emitters near metal-dielectric interfaces
• Precision frequency measurement of visible intercombination lines of strontium

Cited by in corpus (7)

• Quantum Nanophotonics in Two-Dimensional Materials
• Distance Dependence of the Energy Transfer Rate From a Single Semiconductor Nanostructure to Graphene
• Optical-nanofiber-based interface for single molecules
• Dynamical Tuning of Energy Transfer Efficiency on a Graphene Monolayer
• Impact of dark excitons on Förster type resonant energy transfer between dye molecules and atomically thin semiconductors
• Narrow Line Width Quantum Emitters in an Electron-Beam-Shaped Polymer
• The optical properties of dibenzoterrylene