Facile Solvothermal Synthesis of NiO/g-C₃N₄ Nanocomposite for Enhanced Supercapacitor Application

Figure 2

XPS wide spectra of (a) pure NiO, (b) NiO/g-C₃N₄ (NO-4), and (c) g-C₃N₄; high-resolution spectra of nickel of (d) pure NiO and (e) NiO/g-C₃N₄ (NO-4); high-resolution spectra of oxygen of (f) pure NiO and (g) NiO/g-C₃N₄ (NO-4); high-resolution spectra of nitrogen of (h) pure NiO, (i) NiO/g-C₃N₄ (NO-4), and (j) g-C₃N₄; and high-resolution spectra of carbon of (k) pure NiO, (l) NiO/g-C₃N₄ (NO-4), and (m) g-C₃N₄.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)

(m)