Erlangen 2022 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 41: Nano-Optics
Q 41.6: Poster
Mittwoch, 16. März 2022, 16:30–18:30, P
Preparation methods for growing a stabilizing organic matrix for molecule-based single-photon emitters — •Franziska Hirt1,2, Justus Christinck1,2, Mike Stummvoll1,3, Andreas Reutter1,3, Uta Schlickum1,3, and Stefan Kück1,2 — 1Laboratory for Emerging Nanometrology, Braunschweig, Deutschland — 2Physikalisch-Technische Bundesanstalt, Braunschweig, Deutschland — 3Technische Universität Braunschweig, Braunschweig, Deutschland
Polycyclic aromatic hydrocarbons, such as dibenzoterrylene (DBT), offer promising properties as emitters in a single-photon source. One prerequisite is their embedding in a crystalline matrix and a cryogenic environment. When fulfilled, high photostability and quantum yield, as well as a short excited state lifetime with a lifetime-limited spectral emission mainly in the zero-phonon-line are observed.
We report on two strategies concerning the fabrication of a stable, crystalline matrix surrounding a single DBT molecule.
One approach is based on a reprecipitation method that ideally leads to the production of anthracene nanocrystals with a size of less than 450 nm, containing single DBT.
The second approach deals with the deposition of C60-fullerenes using organic molecular beam epitaxy, which can serve as a capsule for one dibenzoterrylene molecule and, on the other hand, act as a protective layer, when the molecules are placed between two C60 layers.
A detailed overview about the procedures will be given at the conference.