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Figure 1

From: Substrate-induced interfacial plasmonics for photovoltaic conversion

Figure 1

Substrate-induced interfacial plasmonics.

(a) Schematic representation of substrate-induced interfacial plasmonics for photoexciting a layer of dyes between a TiO2 dielectric substrate and single-layer graphene (SLG). (b) Optical intensities at the TiO2 surface in the TiO2/SLG/NP system, calculated by two-dimensional FDTD simulations. The left inset shows the side view of the electrical field distribution surrounding individual NPs in the TiO2/SLG/NP system. The right inset illustrates the mechanism of the substrate-induced image charge effect.

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