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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Full-Spectrum Analysis of Perovskite-Based Surface Plasmon Nanolasers

Fig. 4

Transparency threshold gains of fundamental hybrid plasmonic gap modes. In the structures with hybrid perovskites, a MAPb(BrxCl1-x)3 NWs on SiO2-coated Ag and Al plates b MAPb(IyBr1-y)3 NWs of various compositions on SiO2 coated Al, Ag and Au plates, corresponding to different perovskite emission wavelengths, respectively. At the minimal gap thickness tg = 0, transparency threshold gains of the plasmonic modes on Ag plates are 18470.5 and 6259.1 denoted by the black stars in (a) at λ = 425 nm and (b) at λ = 555 nm

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