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. 2020 Jun 30;10(7):1289. doi: 10.3390/nano10071289

Figure 2.

Figure 2

(a) Schematic figure of 2D perovskite-based GH-SPR biosensor with continuous silver substrate. SPR curves with reflectivity (b) and phase (c) signal changes with different numbers of layers of 2D perovskites (FAPbI3) engineered on top of the continuous silver substrate at 604 nm.