Journal
OPTICAL MATERIALS
Volume 122, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.optmat.2021.111728
Keywords
Carbon nanoparticles; Ag/C thin film; SPR; SERS; FDTD
Categories
Funding
- National Natural. Science Foundation of China [61775141, 62075133]
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Silver thin films decorated with carbon nanoparticles were prepared by ablating Ag/C thin film with an Nd: YAG fiber pulsed laser, resulting in a shift of Surface plasmon resonance (SPR) wavelength. Surface enhanced Raman scattering (SERS) was observed in Ag/C samples due to decorating with nano-carbon, showing good stability and high SERS intensity with Rhodamine 6G (Rh 6G) concentration of 10^(-5) mol/L. Simulation results of finite-difference-time-domain (FDTD) confirmed the SERS performance.
Silver (Ag) thin films decorated with carbon nanoparticles were achieved by ablating Ag/C thin film with an Nd: YAG fiber pulsed laser under the environmental conditions. The structure and optical properties of the Ag/C samples were investigated. In this study, the Surface plasmon resonance (SPR) wavelength of Ag/C samples shift from 457 nm to 527 nm was realized using a different laser scanning rate. Compared to Ag samples, Surface enhanced Raman scattering (SERS) of Ag/C samples was also observed due to decorating with nano-carbon, which demonstrates good steadiness and high SERS intensity with the concentration of Rhodamine 6G (Rh 6G) with 10(-5) mol/L. In additional, the simulation results of finite-difference-time-domain (FDTD) verify SERS performance.
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