A STUDY OF LASER INDUCED EFFECT OF MALACHITE GREEN AND LEUCO MALACHITE GREEN--He-Ne LASER AND CYCLIC VOLTAMMETRY METHOD

doi:10.7517/j.issn.1674-0475.1989.01.10

Imaging Science and Photochemistry ›› 1989, Vol. 7 ›› Issue (1): 10-17.DOI: 10.7517/j.issn.1674-0475.1989.01.10

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A STUDY OF LASER INDUCED EFFECT OF MALACHITE GREEN AND LEUCO MALACHITE GREEN--He-Ne LASER AND CYCLIC VOLTAMMETRY METHOD

QI DE-LIN, YANG JING, YAN BAO-ZHEN

Institute of Chemistry, Academia Sinica, Beijing 100080. P. R. China

Received:1987-05-11 Revised:1988-01-13 Online:1989-02-20 Published:1989-02-20

Abstract

Abstract: In this paper, it was found that the He-Ne laser can promote the anode oxidation and increase the rising rate of peak current of malachite green but decrease the rising rate of leuco-malachite green. There is a linear relationship between the solvent polarity parameter π^* and oxidation potential Eox₂ or the λ_max of the UV/VIS spectra of malachite green. In DMSO, a "hole-burning" phenomenon was observed in the spectrum of malachite green when it was-oxidized. Some "laser induced after effect" was observed.

Key words: malachite green, laser induced effect, cyclic voltammetry, solvent effect, hole burning

QI DE-LIN, YANG JING, YAN BAO-ZHEN. A STUDY OF LASER INDUCED EFFECT OF MALACHITE GREEN AND LEUCO MALACHITE GREEN--He-Ne LASER AND CYCLIC VOLTAMMETRY METHOD[J]. Imaging Science and Photochemistry, 1989, 7(1): 10-17.

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A STUDY OF LASER INDUCED EFFECT OF MALACHITE GREEN AND LEUCO MALACHITE GREEN--He-Ne LASER AND CYCLIC VOLTAMMETRY METHOD

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