Yujia Sun, Fangzhou Chen, Xiaozhi Li. Silicon based near-infrared absorption enhancement structure with gradient doping of nano metal particles[J]. Infrared and Laser Engineering, 2024, 53(2): 20230519
- Infrared and Laser Engineering
- Vol. 53, Issue 2, 20230519 (2024)
Fig. 1. Complex refractive index and fitting curve of metals. (a) Refractive index of silver; (b) Refractive index of gold
Fig. 2. Complex refractive index of composite materials and silicon
Fig. 3. Structural schematic diagram of gradient doped materials
Fig. 4. Equivalent refractive index of media with different doping concentrations. (a) Real part of complex refractive index; (b) Imaginary part of complex refractive index
Fig. 5. Schematic diagram of simulation model
Fig. 6. Simulated absorption spectra of silver nanoparticles doped materials. (a) Reflectivity; (b) Transmissivity; (c) Absorptivity; (d) Absorption improvement effect
Fig. 7. Simulated absorption spectra of materials doped with different nano metal particles. (a) Reflectivity; (b) Transmissivity; (c) Absorptivity; (d) Absorption improvement effect
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