Fig. 2. Morphology and structure characterization. SEM images of (a) MoSe2-rGO and (b) MoSe2+x-rGO. HRTEM images of (c) MoSe2-rGO and (d) MoSe2+x-rGO. Atomic images of (e) MoSe2-rGO and (f) MoSe2+x-rGO; the line scan profiles along the corresponding rectangles are shown on the right. XPS spectra of (g and i) MoSe2-rGO and (h and j) MoSe2+x-rGO. (k) Raman spectra of MoSe2-rGO and MoSe2+x-rGO.
