Penghui Zhao, Jing Feng, Linzhuang Xing, Dong Li, Bin Chen, Dingying Liao. Theoretical and Experimental Investigations on Photothermal Effect of Gold Nanorods Irradiated by Femtosecond or Nanosecond Laser[J]. Chinese Journal of Lasers, 2021, 48(22): 2202014
- Chinese Journal of Lasers
- Vol. 48, Issue 22, 2202014 (2021)
Fig. 1. Shape of gold nano-rod and meshing. (a) Shape; (b) computing region; (c) meshing
Fig. 2. Comparison between simulated results and reference results
Fig. 3. Temperature distributions of gold nano-rod at laser energy density of 0.002 J/cm2. (a) Lattice temperature; (b) electron temperature
Fig. 4. Lattice temperature distributions of gold nano-rod under different incident femtosecond laser energies. (a) Along Z axis; (b) along R axis
Fig. 5. Temperature distributions of gold nano-rod at laser energy density of 0.8 J/cm2. (a) Lattice temperature; (b) electron temperature
Fig. 6. Lattice temperature distributions of gold nano-rod under different incident nanosecond laser energies. (a) Along Z axis; (b) along R axis
Fig. 7. TEM images of gold nano-rod irradiated by nanosecond laser with different laser energy densities [14]. (a) 0.64 J/cm2; (b) 0.8 J/cm2; (c) 4 J/cm2; (d) 16.7 J/cm2
Fig. 8. TEM images of gold nano-rod irradiated by femtosecond laser with different laser energy densities [14]. (a) 0.0002 J/cm2; (b) 0.001 J/cm2; (c) 0.56 J/cm2; (d) 10.2 J/cm2
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Table 1. Thermophysical parameters of water and gold nano-rod
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