Fig. 5 | Nature Communications

Fig. 5

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

Fig. 5

DFT calculations for charge transfer phenomenon in LSC&MoSe2. a Optimized structure of LSC&2H-MoSe2 heterostructure. The red shaded box represents the fixed atoms in the two bottommost layers. The blue arrow indicates the direction of charge transfer from LSC to MoSe2. b Spin-up and spin-down projected density of states (PDOS) on the following species: Co-3d in LSC (blue dotted line), Co-3d in LSC&2H-MoSe2 (blue solid line), Mo-4d in 2H-MoSe2 (red dotted line), and Mo-4d in LSC&2H-MoSe2 (red solid line), respectively. The vertical lines represent the position of d-band center (εd) for each species. c Schematic illustration of phase transition from LSC&2H-MoSe2 to LSC&1T-MoSe2 heterostructure. d Relative energies of 2H- and 1T-phase of MoSe2 monolayer (black line) and LSC&MoSe2 heterostructure (red line). The inset models represent the trigonal prismatic (2H) and octahedral (1T) geometry

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