The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.
Tracking the coherent generation of polaron pairs in conjugated polymers
Open accessAbstract
The optical excitation of organic semiconductors not only generates charge-neutral electron-hole pairs (excitons), but also charge-separated polaron pairs with high yield. The microscopic mechanisms underlying this charge separation have been debated for many years. Here we use ultrafast two-dimensional electronic spectroscopy to study the dynamics of polaron pair formation in a prototypical polymer thin film on a sub-20-fs time scale. We observe multi-period peak oscillations persisting for up to about 1 ps as distinct signatures of vibronic quantum coherence at room temperature. The measured two-dimensional spectra show pronounced peak splittings revealing that the elementary optical excitations of this polymer are hybridized exciton-polaron-pairs, strongly coupled to a dominant underdamped vibrational mode. Coherent vibronic coupling induces ultrafast polaron pair formation, accelerates the charge separation dynamics and makes it insensitive to disorder. These findings open up new perspectives for tailoring light-to-current conversion in organic materials.
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Cites
Evidence for wavelike energy transfer through quantum coherence in photosynthetic systems
Engel, G. S., Calhoun, T. R., Read, E. L., Ahn, T.-K., Mančal, T., Cheng, Y.-C., Blankenship, R. E., & Fleming, G. R. (2007) · Nature · doi:10.1038/nature05678 · Cited by 3,315
Flexible organic transistors and circuits with extreme bending stability
Sekitani, T., Zschieschang, U., Klauk, H., & Someya, T. (2010) · Nature Materials · doi:10.1038/nmat2896 · Cited by 1,253
Quantum coherence in photosynthesis for efficient solar-energy conversion
Romero, E., Augulis, R., Novoderezhkin, V. I., Ferretti, M., Thieme, J., Zigmantas, D., & van Grondelle, R. (2014) · Nature Physics · doi:10.1038/nphys3017 · Cited by 594
Chin, A. W., Prior, J., Rosenbach, R., Caycedo-Soler, F., Huelga, S. F., & Plenio, M. B. (2013) · Nature Physics · doi:10.1038/nphys2515 · Cited by 574
Self-citationTiwari, V., Peters, W. K., & Jonas, D. M. (2013) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1211157110 · Cited by 566
Efficient Simulation of Strong System-Environment Interactions
Prior, J., Chin, A. W., Huelga, S. F., & Plenio, M. B. (2010) · Physical Review Letters · doi:10.1103/physrevlett.105.050404 · Cited by 480
Self-citationOrigin of Long-Lived Coherences in Light-Harvesting Complexes
Christensson, N., Kauffmann, H. F., Pullerits, T., & Mančal, T. (2012) · The Journal of Physical Chemistry B · doi:10.1021/jp304649c · Cited by 415
Cited by
Franchini, C., Reticcioli, M., Setvin, M., & Diebold, U. (2021) · Nature Reviews Materials · doi:10.1038/s41578-021-00289-w · Cited by 665
Wang, R., Zhang, C., Li, Q., Zhang, Z., Wang, X., & Xiao, M. (2020) · Journal of the American Chemical Society · doi:10.1021/jacs.0c04890 · Cited by 474
Quantum design of photosynthesis for bio-inspired solar-energy conversion
Romero, E., Novoderezhkin, V. I., & van Grondelle, R. (2017) · Nature · doi:10.1038/nature22012 · Cited by 436
Kohl, F. R., Grieco, C., & Kohler, B. (2020) · Chemical Science · doi:10.1039/c9sc04527a · Cited by 70
Probing the heterogeneous structure of eumelanin using ultrafast vibrational fingerprinting
Grieco, C., Kohl, F. R., Hanes, A. T., & Kohler, B. (2020) · Nature Communications · doi:10.1038/s41467-020-18393-w · Cited by 62
Metadata
- Authors
- De Sio, A., Troiani, F., Maiuri, M., Réhault, J., Sommer, E., Lim, J., Huelga, S. F., Plenio, M. B., Rozzi, C. A., Cerullo, G., Molinari, E., & Lienau, C.
- Venue
- Nature Communications
- Published
- 2016-12-08
- Volume
- 7
- Issue
- 1
- Pages
- 13742-13742
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2543110117
- Cited by
- 197
- References
- 7
- FWCI
- 8.23
- Type
- journal article
- Language
- en
- Open access
- gold
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- De Sio, A., Troiani, F., Maiuri, M., Réhault, J., Sommer, E., Lim, J., Huelga, S. F., Plenio, M. B., Rozzi, C. A., Cerullo, G., Molinari, E., & Lienau, C. (2016). Tracking the coherent generation of polaron pairs in conjugated polymers. Nature Communications. https://doi.org/10.1038/ncomms13742
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