Fig. 2: Preparation of the 2D MoS2 nanosheets. | npj 2D Materials and Applications

Fig. 2: Preparation of the 2D MoS2 nanosheets.

From: Improving stability of organometallic-halide perovskite solar cells using exfoliation two-dimensional molybdenum chalcogenides

Fig. 2

a Scheme of the preparation of 2D MoS2 nanoflakes using LPE approach. b SEM image of exfoliated 2D MoS2 nanoflakes, and inside are exfoliated MoS2 dispersions in an IPA (Scale bar is 500 nm). c Absorbance spectra of exfoliated MoS2 nanoflakes in NMP and IPA solvents, respectively. d HAADF-STEM (Scale bar is 100 nm) and e high-resolution TEM images of exfoliated MoS2, inset in part e is fast Fourier transform pattern of exfoliated MoS2 (Scale bar is 5 nm).

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