A Facile Synthesis of Graphene-WO<sub>3</sub> Nanowire Clusters with High Photocatalytic Activity for O<sub>2</sub> Evolution

<table>TEM images of (a) WO<sub>3</sub> nanowire clusters and (b) GE-WO<sub>3</sub> nanowire clusters.</table>

International Journal of Photoenergy

Figure 3: A Facile Synthesis of Graphene-WO<sub>3</sub> Nanowire Clusters with High Photocatalytic Activity for O<sub>2</sub> Evolution 