Peng, Jinbo and Sokolov, Sophia and Hernangomez-Perez, Daniel and Evers, Ferdinand and Gross, Leo and Lupton, John M. and Repp, Jascha (2021) Atomically resolved single-molecule triplet quenching. SCIENCE, 373 (6553). 452-+. ISSN 0036-8075, 1095-9203
Full text not available from this repository. (Request a copy)Abstract
The nonequilibrium triplet state of molecules plays an important role in photocatalysis, organic photovoltaics, and photodynamic therapy. We report the direct measurement of the triplet lifetime of an individual pentacene molecule on an insulating surface with atomic resolution by introducing an electronic pumpprobe method in atomic force microscopy. Strong quenching of the triplet lifetime is observed if oxygen molecules are coadsorbed in close proximity. By means of single-molecule manipulation techniques, different arrangements with oxygen molecules were created and characterized with atomic precision, allowing for the direct correlation of molecular arrangements with the lifetime of the quenched triplet. Such electrical addressing of long-lived triplets of single molecules, combined with atomic-scale manipulation, offers previously unexplored routes to control and study local spin-spin interactions.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | MAGNETIC-RESONANCE; INDIVIDUAL ATOMS; PENTACENE; MICROSCOPY; STATE; FIELD; SPINS; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Ferdinand Evers Physics > Institute of Experimental and Applied Physics > Chair Professor Giessibl > Group Jascha Repp Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group John Lupton |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 12 Jul 2022 09:30 |
| Last Modified: | 12 Jul 2022 09:30 |
| URI: | https://pred.uni-regensburg.de/id/eprint/45733 |
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