School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China.
J Hazard Mater. 2011 Aug 30;192(2):599-604. doi: 10.1016/j.jhazmat.2011.05.059. Epub 2011 May 27.
A new strategy to photocatalytic degradation of 4-cholophenol (4-CP) under visible light irradiation was described. The TiO(2) film deposited on an ordinary glass sheet was distributed into two zones. One zone was sensitized by N719 dye and fabricated to be a sandwich type cell with a similar structure of dye-sensitized solar cells. The other zone was inserted into pollutants solution for degradation. A highly oxidized overvoltage anode was achieved from the dye-sensitized zone. The bifunctionalized TiO(2) film and the anode could degrade 4-chlorophenol in two separate reactors with 97% and 96% removal of 4-CP after 5h, respectively. The degradation efficiency could be improved by addition of FeSO(4). The as-prepared bifunctionalized TiO(2) film was comparably stable in the process of degradation.
一种在可见光照射下光催化降解 4-氯苯酚（4-CP）的新策略。将沉积在普通玻璃片上的 TiO2 薄膜分成两个区域。一个区域用 N719 染料敏化，制成与染料敏化太阳能电池类似结构的三明治型电池。另一个区域插入污染物溶液中进行降解。敏化区产生了具有高氧化过电压的阳极。双功能化 TiO2 薄膜和阳极可以分别在两个独立的反应器中降解 4-氯苯酚，5 小时后分别去除 4-CP 的 97%和 96%。添加 FeSO4 可以提高降解效率。在降解过程中，制备的双功能化 TiO2 薄膜具有较好的稳定性。
