Figure 8

(a) XPS Cu 2p and (b) XPS Ni 2p peaks of CuNi/GO-I and CuNi/GO-II. Deconvoluted (c) Cu 2p and (d) Ni 2p peaks of CuNi/GO-I.

(a) XPS Cu 2p and (b) XPS Ni 2p peaks of CuNi/GO-I and CuNi/GO-II. Deconvoluted (c) Cu 2p and (d) Ni 2p peaks of CuNi/GO-I.