Fig. 4: Tuning driving voltages for anomalously bright UCEL. | Nature Communications

Fig. 4: Tuning driving voltages for anomalously bright UCEL.

From: Anomalously bright single-molecule upconversion electroluminescence

Fig. 4

Differential conductance (dI/dV) (a) and bias-dependent electroluminescence intensities integrated over the S1 peak (b) for H2Pc (upper panel) and platinum phthalocyanine (PtPc, lower panel) molecules with different NaCl thicknesses on Au(111). c Corresponding energy-level diagrams.

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