fig4
Figure 4. XPS characterization of the hierarchical MoS2/MXene-2 heterostructures: (A) XPS survey spectrum; (B) high-resolution spectra of C 1s; (C) Ti 2p; (D) Mo 3d; (E) S 2p; (F) O 1s. XPS: X-ray photoelectron spectroscopy; MoS2: molybdenum disulfide.
