journal article·2026-06

Dielectric core engineering in spherical gold nanoshells: tuning spectral response and refractive index sensitivity

Mohammed Alsawafta

Applied Physics A· Volume 132· Issue 6
Publisher page

Abstract

No abstract is available for this record. The assistant can identify its topic from the title, but cannot infer the study’s results.

Source: Not provided · Quality: missing

Research context

OpenAlex topics: Gold and Silver Nanoparticles Synthesis and Applications · Plasmonic and Surface Plasmon Research · Copper Interconnects and Reliability

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (28)

Show source-provided references
1. Y.-F.C. Chau, Plasmonics in environmental sensing, pollution monitoring, and sustainable applications. Mater. Today Phys. 60, 101984 (2026)10.1016/j.mtphys.2025.101984 ↗
2. Y.-F.C. Chau, S.-H. Chen, A.H. Mahadi, R. Thotagamuge, C.M. Lim, M.R.R. Kooh, Plasmonic–heterojunction nanostructures: Mechanistic design for photocatalysis, energy conversion, and advanced biosensing. Sustainable Mater. Technol. 47, e01833 (2026)10.1016/j.susmat.2025.e01833 ↗
3. Y.-F.C. Chau, Plasmonic nanotheranostics: Merging imaging and therapy on a unified platform for precision oncology. ACS Appl. Bio Mater. 9(7), 3159–3191 (2026)
4. C.T.C. Chao, Y.-F.C. Chau, Engineering plasmonic photonic crystal fiber sensors: Design, fabrication strategies, and performance roadmap. Mater. Sci. Engineering: B 324, 119046 (2026)10.1016/j.mseb.2025.119046 ↗
5. Y.-F.C. Chau, Plasmonics-enabled advanced technologies for water purification, desalination, and environmental monitoring. Process Saf. Environ. Prot. 207, 108420 (2026)10.1016/j.psep.2026.108420 ↗
6. Y.-F. Chau, C.-Y. Jheng, S.-F. Joe et al., Structurally and materially sensitive hybrid surface plasmon modes in periodic silver-shell nanopearl and its dimer arrays. J. Nanopart. Res. 15, 1424 (2013)10.1007/s11051-013-1424-9 ↗
7. Y.-F. Chau, Z.-H. Jiang, H.-Y. Li, G.-M. Lin, F.-L. Wu, W.-H. Lin, Localized resonance of composite core–shell nanospheres, nanobars and nanospherical chains. Progress Electromagnet. Res. B 28, 183–199 (2011)10.2528/PIERB10102705 ↗
8. E. Prodan, C. Radloff, N.J. Halas, P. Nordlander, A hybridization model for the plasmon response of complex nanostructures. Science. 302, 419–422 (2003)10.1126/science.1089171 ↗
9. N.J. Halas, S. Lal, W.-S. Chang, S. Link, P. Nordlander, Plasmons in strongly coupled metallic nanostructures. Chem. Rev. 111(6), 3913–3961 (2011)10.1021/cr200061k ↗
10. S.J. Oldenburg, J.B. Jackson, S.L. Westcott, N.J. Halas, Infrared extinction properties of gold nanoshells. Appl. Phys. Lett. 75(19), 2897–2899 (1999)10.1063/1.125183 ↗
11. J.B. Jackson, N.J. Halas, Silver nanoshells: Variations in morphologies and optical properties. J. Phys. Chem. B 105(14), 2743–2746 (2001)10.1021/jp003868k ↗
12. W. Shi, Y. Sahoo, M.T. Swihart, P.N. Prasad, Gold nanoshells on polystyrene cores for control of surface plasmon resonance. Langmuir. 21(4), 1610–1617 (2005)10.1021/la047628y ↗
13. R. Bardhan, N.K. Grady, T. Ali, N.J. Halas, Metallic nanoshells with semiconductor cores: Optical characteristics modified by core medium properties. ACS Nano. 4, 6169–6179 (2010)10.1021/nn102035q ↗
14. C.T.C. Chao, S.H. Chen, H.J. Huang, M.R.R. Kooh, C.M. Lim, R. Thotagamuge, A.H. Mahadi, Y.-F.C. Chau, Improving temperature-sensing performance of photonic crystal fiber via external metal-coated trapezoidal-shaped surface. Crystals. 13(5), 813 (2023)10.3390/cryst13050813 ↗
15. C.T. Chou Chao, S.H. Chen, H.J. Huang et al., Near- and mid-infrared quintuple-band plasmonic metamaterial absorber. Plasmonics. 18, 1581–1591 (2023)10.1007/s11468-023-01881-2 ↗
16. Y.-F.C. Chau, Enhanced plasmonic waveguide sensing performance with a semicircular-ring resonator. Micro Nanostruct. 174, 207469 (2023)10.1016/j.micrna.2022.207469 ↗
17. A. Taflove, S.C. Hagness, Computational Electrodynamics: The Finite-Difference Time-Domain Method, 3rd edn. (Artech House, Boston, 2005)
18. P.B. Johnson, R.W. Christy, Optical constants of the noble metals. Phys. Rev. B 6, 4370–4379 (1972)10.1103/PhysRevB.6.4370 ↗
19. E.D. Palik (ed.), Handbook of Optical Constants of Solids (Academic, San Diego, 1991)
20. O. Aguilar, de S. Castro, M.P.F. Godoy, M.R.S. Dias, Optoelectronic characterization of Zn1 – xCdxO thin films as an alternative to photonic crystals in organic solar cells. Opt. Mater. Express. 9, 3638–3648 (2019)10.1364/OME.9.003638 ↗
21. A. Jolivet, C. Labbé, C. Frilay et al., Structural, optical, and electrical properties of TiO₂ thin films deposited by ALD. Appl. Surf. Sci. 608, 155214 (2023)10.1016/j.apsusc.2022.155214 ↗
22. D.J. Wu, S.M. Jiang, X.J. Liu, Tunability of multipolar plasmon resonances and Fano resonances in bimetallic nanoshells. J. Phys. Chem. C 115(48), 23797–23801 (2011)10.1021/jp209446p ↗
23. P.K. Jain, M.A. El-Sayed, Surface plasmon resonance sensitivity of metal nanostructures: Physical basis and universal scaling in metal nanoshells. J. Phys. Chem. C 111, 17451–17454 (2007)10.1021/jp0773177 ↗
24. N.J. Halas, Playing with plasmons: Tuning the optical resonant properties of metallic nanoshells. MRS Bull. 30, 362–367 (2011)10.1557/mrs2005.99 ↗
25. D.J. Wu, X.D. Xu, X.J. Liu, Influence of dielectric core, embedding medium and size on the optical properties of gold nanoshells. Solid State Commun. 146(1–2), 7–11 (2008)10.1016/j.ssc.2008.01.038 ↗
26. O. Rocha-Rocha, S. Gastélum-Acuña, M. Flores-Acosta, R. García-Llamas, Optical response of dielectric & metal-core/metal-shell nanoparticles. Revista Mexicana de Física. 68(3), 031302 (2022)
27. P.K. Jain, M.A. El-Sayed, Universal scaling of plasmon coupling in metal nanostructures: Extension from particle pairs to nanoshells. Nano Lett. 7, 2854–2858 (2007)10.1021/nl071496m ↗
28. Y. Sun, Y. Xia, Increased sensitivity of surface plasmon resonance of gold nanoshells compared to that of gold solid colloids in response to environmental changes. Anal. Chem. 74(20), 5297–5305 (2002)10.1021/ac0258352 ↗