Citation: Ai Li BO, Xiang Qin LIN. In-situ FTIR Spectroelectrochemical Study of Chromium Hexacyanoferrate on Glassy Carbon Electrode[J]. Chinese Chemical Letters, ;1998, 9(9): 851-854. shu

In-situ FTIR Spectroelectrochemical Study of Chromium Hexacyanoferrate on Glassy Carbon Electrode

Ai Li BO ¹ ,
Xiang Qin LIN ²

1.
Laboratory of Electroanalytical Chemistry Changchun Institute of Applied Chemistry ChineseAcademy of Sciences Changchun 130022;
2.
Department of Chemistry University of Science and Technology of China Hefei 230026

Received Date: 20 February 1998

Chromium hexacyanoferrate (CrHCF) modified glassy carbon electrode (GC) in different electrolytes was studied by cyclic voltammetry and in situ FTIR spectroelectrochemistry. The results indicate that the behavior of CrHCF film can be understood in term of two structures: Cr_1/3Cr(Ⅲ)Fe(Ⅱ)(CN)₆ and MCr(Ⅲ)Fe(Ⅱ)(CN)₆. Besides, the film exists in amorphous state: the outer layer is porous film, while the inner layer is relatively compact. According to the electrochemical reaction of CrHCF, the lattice can contract and expand with the cations' diffusion.
- chromium hexacyanoferrate,
- glassy carbon electrode,
- electrochemistry,
- in situ FTIR spectroelectrochemistry
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