Citation: Xiu Hui Liu, Cun Wu Dong, Kai Zhang, Fu Peng Zhi, Zhen Ding, Xiao Quan Lu. Effect of SDBS on interfacial electron transfer at the　liquid/liquid interface by thin layer metho[J]. Chinese Chemical Letters, ;2009, 20(9): 1115-1118. doi: 10.1016/j.cclet.2009.04.035 shu

Effect of SDBS on interfacial electron transfer at the　liquid/liquid interface by thin layer metho

College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou 730070, China

Received Date: 14 January 2009

Fund Project: the National Science Foundation of Gansu (No.0701RJZA109 and No.0803RJZA105) and the Key Laboratory of Polymer Materials of Gansu Province.This work was supported by the National Science Foundation of China (No.20775060 and No.20875077)

The effect of an adsorbed anionic surfactant sodium dodecyl benzene sulfonate (SDBS) on electron transfer (ET) reaction between ferricyanide aqueous solution and decamethylferrocene (DMFc) located on the adjacent organic phase was investigated for the first time by thin layer method. The adsorption of SDBS at the interface resulted in a decay in the cathodic plateau current of bimolecular reaction with increasing concentrations of SDBS in aqueous phase. However, the rate constant of electron transfer (k_et)increased monotonically as the SDBS concentrations increased from 0 to 200 μmol/L. The experimental results showed that SDBS formed patches on the interface and influenced the structure of electrical double layer.
- Anionic surfactant,
- Liquid/liquid interface,
- Electron transfer,
- Thin layer method
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