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Plexciton Dynamics: Exciton−Plasmon Coupling in a J-Aggregate−Au Nanoshell Complex Provides a Mechanism for Nonlinearity
Abstract
Coherently coupled plasmons and excitons give rise to new optical excitations--plexcitons--due to the strong coupling of these two oscillator systems. Time-resolved studies of J-aggregate-Au nanoshell complexes when the nanoshell plasmon and J-aggregate exciton energies are degenerate probe the dynamical behavior of this coupled system. Transient absorption of the interacting plasmon-exciton system is observed, in dramatic contrast to the photoinduced transmission of the pristine J-aggregate. An additional, transient Fano-shaped modulation within the Fano dip is also observable. The behavior of the J-aggregate-Au nanoshell complex is described by a combined one-exciton and two-exciton state model coupled to the nanoshell plasmon.
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Citations
Cited by
Near-Field Mediated Plexcitonic Coupling and Giant Rabi Splitting in Individual Metallic Dimers
Schlather, A. E., Large, N., Urban, A. S., Nordlander, P., & Halas, N. J. (2013) · Nano Letters · doi:10.1021/nl4014887 · Cited by 537
Self-citationVasa, P., Wang, W., Pomraenke, R., Lammers, M., Maiuri, M., Manzoni, C., Cerullo, G., & Lienau, C. (2013) · Nature Photonics · doi:10.1038/nphoton.2012.340 · Cited by 473
Kasani, S., Curtin, K., & Wu, N. (2019) · Nanophotonics · doi:10.1515/nanoph-2019-0158 · Cited by 462
Plasmon-Induced Hot Electron Transfer from the Au Tip to CdS Rod in CdS-Au Nanoheterostructures
Wu, K., Rodríguez-Córdoba, W. E., Yang, Y., & Lian, T. (2013) · Nano Letters · doi:10.1021/nl402730m · Cited by 334
Approaching the strong coupling limit in single plasmonic nanorods interacting with J-aggregates
Zengin, G., Johansson, G., Johansson, P., Antosiewicz, T. J., Käll, M., & Shegai, T. (2013) · Scientific Reports · doi:10.1038/srep03074 · Cited by 268
Metadata
- Authors
- Fofang, N. T., Grady, N. K., Fan, Z., Govorov, A. O., & Halas, N. J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-03-18
- Volume
- 11
- Issue
- 4
- Pages
- 1556-1560
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2053842658
- Cited by
- 302
- References
- 0
- FWCI
- 12.76
- Type
- journal article
- Language
- en
- Open access
- closed
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- Fofang, N. T., Grady, N. K., Fan, Z., Govorov, A. O., & Halas, N. J. (2011). Plexciton Dynamics: Exciton−Plasmon Coupling in a J-Aggregate−Au Nanoshell Complex Provides a Mechanism for Nonlinearity. Nano Letters. https://doi.org/10.1021/nl104352j
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