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电化学  2014 

咪唑型离子液体对4–甲氧基甲苯的电氧化性能研究

DOI: 10.13208/j.electrochem.131029, PP. 465-469

Keywords: 离子液体,4-甲氧基甲苯,紫外光谱,电氧化

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Abstract:

通过紫外光谱研究了EMIMBF4、BMIMBF4、BMIMHSO4和BMIMAc四种咪唑型离子液体(ILs)与4–甲氧基甲苯(p-MT)之间的相互作用,采用循环伏安法(CV)和计时电流法(CP)研究了p-MT在四种离子液体中的电化学氧化行为,探讨了咪唑型离子液体对反应的影响.实验结果表明,在离子液体水溶液中p-MT的紫外光谱出现明显的红移,其溶剂分子和反应底物p-MT之间相互作用,这有利于p-MT产生相对稳定的激发态.p-MT在离子液体水溶液中的电氧化受扩散控制,且p-MT在EMIMBF4水溶液中的扩散系数和电解产物的产率和选择性最佳.

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