Provincial Key Laboratory of Agricultural Environmental Engineering, College of Resources & Environment, Sichuan Agricultural University, Chengdu, China.
Chemosphere. 2012 Jun;88(2):145-54. doi: 10.1016/j.chemosphere.2012.03.020. Epub 2012 Apr 6.
Photoelectrocatalytic (PEC) technology involved applying an electrical bias to a TiO(2) film electrode, has been widely applied to the degradation of refractory organic pollutants, owing to its high degradation efficiency. This paper reviews recent developments in the PEC degradation of recalcitrant organic contaminants using a TiO(2) film electrode. The preparation and application of various TiO(2) film electrodes have been investigated, as well as the parameters that influence PEC activity such as the crystal structure, the film thickness and substrate material, the applied electrical bias, the solution pH and conductivity. The improvement of PEC activity by doping the TiO(2) film electrode with metal and non-metal ions has been discussed. The mechanism and kinetics for the PEC degradation of organic pollutants have also been highlighted.
光电催化（PEC）技术涉及在 TiO(2) 薄膜电极上施加偏压，由于其高效的降解效率，已被广泛应用于难降解有机污染物的降解。本文综述了利用 TiO(2) 薄膜电极光电催化降解难降解有机污染物的最新进展。研究了各种 TiO(2) 薄膜电极的制备和应用，以及影响 PEC 活性的参数，如晶体结构、薄膜厚度和基底材料、外加偏压、溶液 pH 值和电导率。讨论了通过掺杂金属和非金属离子来提高 TiO(2) 薄膜电极的 PEC 活性的方法。还强调了有机污染物 PEC 降解的机理和动力学。
