Title: Tailoring localised surface plasmon resonance of added Ag nanoparticles Er³⁺ ion doped glass system by coupling polarisation approach

Authors: M.S. Sutrisno; S.K. Md Zain; R. Hisam

Addresses: Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia; University of Cyberjaya, Persiaran Bestari, Cyber 11, 63000 Cyberjaya, Selangor Darul Ehsan, Malaysia ' Optical Materials Research Group, Faculty of Science, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia ' Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia

Abstract: The coupling polarisation P_Er³⁺:NP of LSPR was investigated using the 20Li₂O-xBi₂O₃-(78-x)TeO₂-1Er₂O₃-1Ag glass system with electrical polarisability of spherical particle χ and Clausius-Mosotti relation polarisability α_L approximations. The maximum coupling polarisation P_Er³⁺:NP is suggested at x = 5 mol% implied from high χ and α_L at that region hence can contribute to maximum LSPR before an opposite pattern between both χ and α_L is observed at x = 11 mol%. The opposite pattern at x = 11 mol% is elucidated by determining the difference in contribution of electronic polarisability α_e to α_L and molar cation polarisability α_m with oxide ion polarisability a_o^2- to χ respectively.

Keywords: localised surface plasmon resonance; polarisability; Er³⁺ ion doped glass; coupling polarisation; dielectrics.

DOI: 10.1504/IJNT.2023.135812

International Journal of Nanotechnology, 2023 Vol.20 No.11/12, pp.944 - 952

Published online: 05 Jan 2024 *

Full-text access for editors Full-text access for subscribers Purchase this article Comment on this article