Investigation of Fe-Doped Graphitic Carbon Nitride-Silver Tungstate as a Ternary Visible Light Active Photocatalyst

Figure 4

SEM analysis of (a and b) Fe-CN, (c and d) CN-AW, and (e and f) Fe-CN-AW.

(a)

(b)

(c)

(d)

(e)

(f)