Reagent Dependency of the Extent of Organic Compound Degradation Ability under Visible Light Irradiation

详细信息    查看全文

• 作者：Guoqiang Li ; Na Yang ; Xiaoli Yang ; Wanling Wang ; W. F. Zhang
• 刊名：Journal of Physical Chemistry C
• 出版年：2011
• 出版时间：July 21, 2011
• 年：2011
• 卷：115
• 期：28
• 页码：13734-13738
• 全文大小：761K
• 年卷期：v.115,no.28(July 21, 2011)
• ISSN：1932-7455

文摘

N-doped antimonic acid was prepared by heating the pristine antimonic acid with urea at 400 掳C for 2 h. The pristine and N-doped antimonic acids show higher visible light activities for Rhodamine B (RhB) degradation in comparison with the commercial product P25. The pristine antimonic acid, which shows no obvious visible light absorption, exhibits the highest visible light activity for RhB degradation due to RhB self-sensitized degradation. The N-doped antimonic acid, which could absorb the visible light, shows higher visible light activity for the phenol degradation than the pristine antimonic acid. The order of 鈥H radical formation over the pristine and N-doped antimonic acids is consistent with that of phenol photocatalytic degradation, but opposite to that of RhB degradation. We demonstrate that the extent of degradation abilities under visible light irradiation depends on whether the reagent has the self-sensitized degradation or not.