Fig. 1: Elemental and morphological characterizations of LSC/K-MoSe2 heterostructure. | Nature Communications

Fig. 1: Elemental and morphological characterizations of LSC/K-MoSe2 heterostructure.

From: Highly efficient and robust noble-metal free bifunctional water electrolysis catalyst achieved via complementary charge transfer

Fig. 1

a Schematic illustrating the synthesis process of LSC/K-MoSe2. Digital image demonstrates the large-scale synthesis capability of the proposed method. b HAADF-STEM image and corresponding EDS elemental mapping of La (red), Sr (blue), Co (yellow green), O (cyan), K (yellow), Mo (purple), and Se (green). c HR-TEM image of LSC/K-MoSe2, showing typical morphological characteristics of the heterostructure comprising the LSC (red square) and K-MoSe2 (yellow square) regions. d Representative HR-TEM image of LSC and corresponding FFT image, indicating the lattice structure of La/Sr, Co, and O with high crystallinity. e Representative HR-TEM image of K-MoSe2 and corresponding FFT image, exhibiting the highly crystalline lattice structure of 1T-phase MoSe2 comprising Mo and Se.

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