Sulfur/Gadolinium-Codoped TiO<sub>2</sub> Nanoparticles for Enhanced Visible-Light Photocatalytic Performance

<table>HRTEM image (a) and SEM image (b) of S/Gd<sup>3+</sup>-codoped TiO<sub>2</sub> (0.6% Gd<sup>3+</sup>) nanoparticles.</table>

Journal of Nanomaterials

Figure 4: Sulfur/Gadolinium-Codoped TiO<sub>2</sub> Nanoparticles for Enhanced Visible-Light Photocatalytic Performance 