BiO(CH₃COO)_xI_1-x (denoted as BiOAc_xI_1-x) solid solutions were easily synthesized by co-precipitation method. The BiOAc_xI_1-x solid solutions with x = 0.67 possessed the highest visible-light photocatalytic activity for the degradation of multiple pollutants like rhodamine B (RhB), malachite green (MG) and colorless salicylic acid (SA) due to ultrathin sheetlike structures and optimal energy levels, which could effectively impede the recombination of photogenerated electron-hole pairs. High separation efficiency of charge carriers was further confirmed by photoelectrochemical techniques. Various factors to affect photocatalytic performance of the BiOAc_xI_1-x were investigated in detail and the corresponding photocatalytic mechanism was proposed.

通过共沉淀法很容易合成BiO（CH ₃ COO）_x I _{1- x}（表示为BiOAc _x I _{1- x}）固溶体。BiOAc _x I _{1- x的}固溶体x = 0.67具有超高的可见光催化活性，可降解罗丹明B（RhB），孔雀石绿（MG）和无色水杨酸（SA）等多种污染物，这归因于其超薄的片状结构和最佳的能级，可有效地阻止光生电子-空穴对的重组。通过光电化学技术进一步证实了电荷载流子的高分离效率。详细研究了影响BiOAc _x I _{1- x}光催化性能的各种因素，并提出了相应的光催化机理。