Photodecomposition Effect of Metal doped $Ti0_2$ System (I)

To study photocatalytic mechanism of metal doped $Ti0_2$, we investigated photodecomposition effect, photocurrent effect and antibacterial effect. When aluminium content was 2 wt %, photodecomposition effect was better than the others. Silver doped thin films had high photocurrent efficiency and antibacterial effect. This reactions were caused by dissolved oxygen in solution and oxygen adsorbed on surface of thin films.