Research Article

Surfactant-Free Microwave-Assisted Synthesis of Fe-Doped ZnO Nanostars as Photocatalyst for Degradation of Tropaeolin O in Water under Visible Light

Figure 2

(a) TEM micrograph of the Fe-doped ZnO nanostar photocatalyst and (b) HR-TEM micrograph of the pedant arm of the Fe-doped ZnO nanostar (insert: SAED micrograph).
(a)
(b)