Panpan Wu, Paerhatijiang Tuersun, Remilai Abulaiti, Yuxia Zheng. Optimization of Light Absorption and Backscattering Characteristics of Au-Ag Alloy Nanoshells[J]. Acta Optica Sinica, 2021, 41(11): 1129001
- Acta Optica Sinica
- Vol. 41, Issue 11, 1129001 (2021)
Fig. 1. Geometric model of the Au-Ag alloy nanoshell
Fig. 2. Change curve of αabs. (a) Change curve with R1; (b) change curve with t; (c) change curve with x
Fig. 3. αabs changes with the size (800 nm). (a) Inner core is SiO2; (b) inner core is vacuum
Fig. 4. Effect of x on optimized parameters of Au-Ag alloy nanoshells. (a) αabs,max; (b) R1,opt; (c) topt
Fig. 5. Effect of nm on optimized parameters of Au-Ag alloy nanoshells. (a) αabs,max; (b) R1,opt; (c) topt
Fig. 6. Change curve of αback. (a) Change curve with R1; (b) change curve with t; (c) change curve with x (nm=1.44)
Fig. 7. αback of Au-Ag alloy nanoshells change with the size (λ=830 nm). (a) Inner core is SiO2; (b) inner core is vacuum
Fig. 8. Effect of x on optimized parameters of Au-Ag alloy nanoshells. (a) αback,max; (b) R1,opt; (c) topt(λ=830 nm, nm=1.44)
Fig. 9. Effect of nm on optimized parameters of Au-Ag alloy nanoshells. (a) αback,max; (b) R1,opt; (c) topt(λ=830 nm, x=50%)
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Table 1. Fitting parameters of the dielectric function of Au-Ag alloy[29]
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Table 2. Optimum parameters of Au-Ag alloy nanoshells at 4 typical excitation wavelengths
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Table 3. αback,max, R1,opt and topt of Au-Ag alloy nanoshells at 4 typical excitation wavelengths
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