Atomically-resolved Fluorescence with STM: Exploring Energy Conversion and Transfer at the Molecular Limit

In recent years, we have pushed these techniques to their limits to probe the optical properties of single molecules [1], complex molecular architectures [2], graphene ribbons [3], and 2D materials [4] with unprecedented spatial resolution. In this talk, I will discuss (i) how one can use this approach to track resonant energy transfer between individual pigments, accessing processes active in photosynthetic complexes with sub-molecular resolution [2], and (ii) new photochemical strategies based on the manipulation of light at the atomic scale [5].

References
[1.] Doppagne B, Chong MC, Bulou H, Boeglin A, Scheurer F, Schull G.
Science 361, 251 (2018).
[2.] Cao S, Roslawska A, Doppagne B, Romeo M, Féron M, Chérioux F, Bulou, Scheurer F, Schull G. Nature Chem. 13, 766 (2021).
[3.] Jiang S, Neuman T, Boeglin A, Scheurer F, Schull G
Science 379, 1049 (2023).
[4.] Lopez LEP, Roslawska A, Scheurer F, Berciaud S, Schull G
Nature Materials 22, 482 (2023).
[5.] Roslawska A, Kaiser K, Romeo M, Devaux E, Scheurer F, Berciaud S, Neuman T, Schull G
Nature Nanotechnol. 19, 738 (2024).