Figure 4: S 2p XPS spectrum analysis.

S 2p XPS spectra for pure MoS2, MoS2/CoSe2 hybrid and MoS2/CoSe2 hybrid after stability test. The top right corner demonstrates the structure model of MoS2/CoSe2 hybrid.
S 2p XPS spectra for pure MoS2, MoS2/CoSe2 hybrid and MoS2/CoSe2 hybrid after stability test. The top right corner demonstrates the structure model of MoS2/CoSe2 hybrid.