Fig. 1 | Nature Communications

Fig. 1

From: In-situ local phase-transitioned MoSe2 in La0.5Sr0.5CoO3-δ heterostructure and stable overall water electrolysis over 1000 hours

Fig. 1

Morphological and structural characterizations of LSC&MoSe2. a Bright-field TEM image of as-prepared LSC&MoSe2. b STEM-HAADF image and corresponding STEM-EDS elemental mapping of LSC&MoSe2, demonstrating uniform atomic distributions of La (red), Sr (yellow), Co (cyan), O (green), Mo (purple), Se (yellow), and C (red). c HR-TEM image of LSC&MoSe2, indicating the presence of MoSe2. Inset shows a FFT image of MoSe2. d HR-TEM image of LSC showing different lattice structure from that of MoSe2. The inset is a FFT image of LSC. e XRD spectra of LSC, MoSe2, and LSC&MoSe2, indicating the well-mixed state of LSC and MoSe2. f BET surface area calculated from N2 adsorption/desorption isotherms of LSC and LSC&MoSe2, demonstrating that the surface area of LSC&MoSe2 is considerably greater than that of LSC

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