Fig. 3 | npj 2D Materials and Applications

Fig. 3

From: Coating two-dimensional MoS2 with polymer creates a corrosive non-uniform interface

Fig. 3

The PL spectrum mapping using A exciton peak on different size and geometry 1L-MoS2 flakes (all with PMMA coating) after 1 month aging. a–f All the flakes are rescaled in the same magnification. The yellow arrows mark the domain boundaries. The unified lateral scale bar in f is 10 µm. The colour bar (PL intensity, unit: counts) for a–e is shown in e, and colour bar for f is shown in panel f

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