Photocatalytic Degradation of Rhodamine B with H<sub><b>3</b></sub>PW<sub><b>12</b></sub>O<sub><b>40</b></sub>/SiO<sub><b>2</b></sub>Sensitized by H<sub><b>2</b></sub>O<sub><b>2</b></sub>
International journal of photoenergy