Fig. 2: Structure characterization of Ni(OH)2-10%GR.
a XRD patterns of Ni(OH)2-GR composite with different GR contents and bare Ni(OH)2. b Raman spectra of GO, GR and Ni(OH)2-10%GR. c XPS survey spectrum, high-resolution XPS spectra of d C 1 s, e Ni 2p, and f O 1 s of Ni(OH)2-10%GR.
