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. Author manuscript; available in PMC: 2023 Jan 4.
Published in final edited form as: Chem Soc Rev. 2022 Jan 4;51(1):329–375. doi: 10.1039/c9cs00621d

Figure 4.

Figure 4.

(a) The SPP-induced EM field and the decay. (b) The LSPR-induced EM field and the decay. (c) Finite-difference time-domain (FDTD) simulated EM field distributions for NP with small gaps or sharp edges. (d) FDTD simulated EM field distributions for nanostars. Reproduced with permission from (a) ref. 32, copyright 2015, The Royal Society of Chemistry; (b) ref. 32, copyright 2015, The Royal Society of Chemistry; (c) ref. 44, copyright 2011, American Chemical Society; (d) ref. 45, copyright 2012, IOP Publishing Ltd.