fig1

Figure 1. Considerations in the selection of plasmonic materials. (A) Localized surface plasmon resonance range of various materials^[7]. Copyright 2019, published by Nature Publishing Group; (B) Dielectric functions of various plasmonic metals and calculated quality factors with resonant amplitude (Q₁) and localized surface plasmon mode (Q₂)^[11]; (C) Shape dependence of plasmon resonance^[11]. For (B and C), Copyright 2022, reproduced with CC-BY license. Published by the American Chemical Society; (D) Alloying with noble metal elements^[20]. Copyright 2016, reproduced with permission. Published by the American Chemical Society. UV: Ultra-violet; FIR: far infra-red; MIR: middle infra-red; NIR: near infra-red.