Quantum dissipation driven by electron transfer within a single molecule investigated with atomic force microscopy

Jan Berger, Martin Ondráček, Oleksandr Stetsovych, Pavel Malý, Petr Holý, Jiří Rybáček, Martin Švec, Irena G. Stará, Tomáš Mančal, Ivo Starý and Pavel Jelínek ()
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Jan Berger: Institute of Physics of the Czech Academy of Sciences
Martin Ondráček: Institute of Physics of the Czech Academy of Sciences
Oleksandr Stetsovych: Institute of Physics of the Czech Academy of Sciences
Pavel Malý: Charles University, Faculty of Mathematics and Physics
Petr Holý: Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences
Jiří Rybáček: Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences
Martin Švec: Institute of Physics of the Czech Academy of Sciences
Irena G. Stará: Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences
Tomáš Mančal: Charles University, Faculty of Mathematics and Physics
Ivo Starý: Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences
Pavel Jelínek: Institute of Physics of the Czech Academy of Sciences

Nature Communications, 2020, vol. 11, issue 1, 1-10

Abstract: Abstract Intramolecular charge transfer processes play an important role in many biological, chemical and physical processes including photosynthesis, redox chemical reactions and electron transfer in molecular electronics. These charge transfer processes are frequently influenced by the dynamics of their molecular or atomic environments, and they are accompanied with energy dissipation into this environment. The detailed understanding of such processes is fundamental for their control and possible exploitation in future technological applications. Most of the experimental studies of the intramolecular charge transfer processes so far have been carried out using time-resolved optical spectroscopies on large molecular ensembles. This hampers detailed understanding of the charge transfer on the single molecular level. Here we build upon the recent progress in scanning probe microscopy, and demonstrate the control of mixed valence state. We report observation of single electron transfer between two ferrocene redox centers within a single molecule and the detection of energy dissipation associated with the single electron transfer.

Date: 2020
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DOI: 10.1038/s41467-020-15054-w

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