The electrochemical polymerization of erythrosin and the fluorescence spectra of polyerythrosin

Authors

Hong ping ZHU, Dept. of Chem., Xiamen univ., The Key Lab. of Anal. Sci. of MOE, Xiamen 361005,China;
Shao lin MU, Dept. of Chem., Yangzhou Univ., Jiangsu Yangzhou 225002, China;

Abstract

The solution used for the electrolysis consisted of 0.03 mol·dm -3 erythrosin, 0.05 mol·dm -3 sodium tetraborate and 0.5 mol·dm -3 KCl with pH 8.50. Polyerythrosin film with red color has been electrochemically synthesized using repeated potential cycling between -0.20 and 1.10 V (vs.SCE). The film growth and the electrochemical property of polyerythrosin are affected by electrolytic conditions. Two main absorption peaks of polyerythrosin at 326 nm and 370 nm appear in the UV visible spectrum, which are different from that of the monomer. Polyerythrosin in dimethyl sulfoxide or dimethylformamide has a strong fluorescence intensity and the fluorescence intensity of polyerythrosin in dimethylformamide is very stable. A polymerization mechanism of erythrosin is suggested based on the experimental results.

Keywords

Erythrosin, Polyerythrosin, UV visile spectra, Fluorescence spectra

DOI Link

https://doi.org/10.61558/2993-074X.1391

Publication Date

2000-08-28

Online Available Date

2000-08-28

Revised Date

2000-08-28

Received Date

2000-08-28

Recommended Citation

Hong ping ZHU, Shao lin MU. The electrochemical polymerization of erythrosin and the fluorescence spectra of polyerythrosin[J]. Journal of Electrochemistry, 2000 , 6(3): 311-316.
DOI: 10.61558/2993-074X.1391
Available at: https://jelectrochem.xmu.edu.cn/journal/vol6/iss3/6

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