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Ultrafast study of electron–phonon coupling in colloidal gold particles
Open accessAbstract
The hot electron dynamics in 11±2 nm diameter Au particles has been examined by transient absorption and bleach recovery measurements. These experiments show that the timescale for energy relaxation by electron–phonon coupling decreases as the pump laser power decreases, and that the relaxation time is independent of the pump or probe wavelength at low pump power. The electron–phonon relaxation time measured in our experiments (∼650 fs) is very similar to the time constant obtained from experiments with bulk gold samples. These observations are explained using the two-temperature model for electron–phonon coupling.
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Perspectives on the Physical Chemistry of Semiconductor Nanocrystals
Alivisatos, A. P. (1996) · The Journal of Physical Chemistry · doi:10.1021/jp9535506 · Cited by 3,595
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Ghosh, S. K., & Pal, T. (2007) · Chemical Reviews · doi:10.1021/cr0680282 · Cited by 2,782
Some Interesting Properties of Metals Confined in Time and Nanometer Space of Different Shapes
El-Sayed, M. A. (2001) · Accounts of Chemical Research · doi:10.1021/ar960016n · Cited by 2,773
Photophysical, Photochemical and Photocatalytic Aspects of Metal Nanoparticles
Kamat, P. V. (2002) · The Journal of Physical Chemistry B · doi:10.1021/jp0209289 · Cited by 1,924
Disentangling Light- and Temperature-Induced Thermal Effects in Colloidal Au Nanoparticles
Wang, L., Zare, D., Chow, T. H., Wang, J., Magnozzi, M., & Chergui, M. (2022) · The Journal of Physical Chemistry C · doi:10.1021/acs.jpcc.1c10747 · Cited by 14
Metadata
- Authors
- Hodak, J., Martini, I., & Hartland, G. V.
- Venue
- Chemical Physics Letters
- Publisher
- Elsevier BV
- Published
- 1998-02
- Volume
- 284
- Issue
- 1-2
- Pages
- 135-141
- ISSN
- 0009-2614 (ISSN-L)
- OpenAlex
- W2018175939
- Cited by
- 181
- References
- 1
- FWCI
- 8.66
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Hodak, J., Martini, I., & Hartland, G. V. (1998). Ultrafast study of electron–phonon coupling in colloidal gold particles. Chemical Physics Letters. https://doi.org/10.1016/s0009-2614(97)01369-9
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