Fig. 1 | Nature Communications

Fig. 1

From: Large-area and bright pulsed electroluminescence in monolayer semiconductors

Fig. 1

Transient EL in TMDCs. a Schematic of the t-EL device. An AC voltage is applied between the gate and source electrodes and emission occurs near the source contact edge. b Optical and EL image of a WSe2 device, showing that emission is only observed near the grounded source contacts. Scale bar is 10 μm. c EL and PL spectra measured for MoSe2, WSe2, MoS2, and WS2 monolayer devices

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