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Time-resolved imaging of gas phase nanoparticle synthesis by laser ablation
Abstract
The dynamics of nanoparticle formation, transport, and deposition by pulsed laser ablation of c-Si into 1–10 Torr He and Ar gases are revealed by imaging laser-induced photoluminescence and Rayleigh-scattered light from gas-suspended 1–10 nm SiOx particles. Two sets of dynamic phenomena are presented for times up to 15 s after KrF-laser ablation. Ablation of Si into heavier Ar results in a uniform, stationary plume of nanoparticles, while Si ablation into lighter He results in a turbulent ring of particles which propagates forward at 10 m/s. Nanoparticles unambiguously formed in the gas phase were collected on transmission electron microscope grids for Z-contrast imaging and electron energy loss spectroscopy analysis. The effects of gas flow on nanoparticle formation, photoluminescence, and collection are described.
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Cited by
Laser ablation in liquids: Applications in the synthesis of nanocrystals
Yang, G. W. (2007) · Progress in Materials Science · doi:10.1016/j.pmatsci.2006.10.016 · Cited by 1,055
Synthesis of colloidal nanoparticles during femtosecond laser ablation of gold in water
Kabashin, A. V., & Meunier, M. (2003) · Journal of Applied Physics · doi:10.1063/1.1626793 · Cited by 568
Liu, N., Huo, K., McDowell, M. T., Zhao, J., & Cui, Y. (2013) · Scientific Reports · doi:10.1038/srep01919 · Cited by 538
Laser ablated copper plasmas in liquid and gas ambient
Kumar, B., & Thareja, R. K. (2013) · Physics of Plasmas · doi:10.1063/1.4807041 · Cited by 32
Lavisse, L., Le Garrec, J.-L., Hallo, L., Jouvard, J.-M., Carles, S., Perez, J., Mitchell, J. B. A., Decloux, J., Girault, M., Potin, V., et al. (2012) · Applied Physics Letters · doi:10.1063/1.4703930 · Cited by 30
Metadata
- Authors
- Geohegan, D. B., Puretzky, A. A., Duscher, G., & Pennycook, S. J.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 1998-06-08
- Volume
- 72
- Issue
- 23
- Pages
- 2987-2989
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2072103145
- Cited by
- 340
- References
- 0
- FWCI
- 12.30
- Type
- journal article
- Language
- en
- Open access
- closed
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- Geohegan, D. B., Puretzky, A. A., Duscher, G., & Pennycook, S. J. (1998). Time-resolved imaging of gas phase nanoparticle synthesis by laser ablation. Applied Physics Letters. https://doi.org/10.1063/1.121516
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