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. 2020 Oct 23;20(11):8220–8228. doi: 10.1021/acs.nanolett.0c03344

Figure 4.

Figure 4

Kinetic traces at three different pump-powers, extracted at 5200 nm for the Ag-TiO2–Au system (a), power dependence measurements, kinetics extracted at 5200 nm (b), and proposed model to account for the observed results in the power dependence measurements (c). The gap between silver and TiO2 in (c) represents the PVP layer that prevents Fermi level pinning upon charge injection.