Study on the electrochemiluminescence based on tris(2, 2'-bipyridine) ruthenium and methanol

Acta Chimica Sinica ›› 1998, Vol. 56 ›› Issue (3): 238-243. Previous Articles Next Articles

Original Articles

甲醇-联吡啶钌(II)体系的电致化学发光研究

陈曦;贾丽;佐藤昌宪

厦门大学化学系;国家教委材料和生命过程分析科学开放实验室;京都工艺纤维大学纤维学部分析化学实验室

发布日期:1998-03-15

Study on the electrochemiluminescence based on tris(2, 2'-bipyridine) ruthenium and methanol

CHEN XI;JIA LI;ZUOTENG CHANGXIAN

Published:1998-03-15

Abstract

The luminescent electrooxidation of methanol in tris (2, 2'-bipyridine) ruthenium (II) [Ru(bpy)3^2^+] alkaline solution on a glassy carbon electrode has been studied. At the potential of +1.28V(vs. Ag/AgCl), methanol was oxidized to methoxyl radical, and the excited formaldehyde was generated by a disprotionation reaction of the methoxyl radical to yield light emission with the wavelength of 545nm. Brighter light emission could be found if small amount of Ru(bpy)3^2^+ was added. The luminescent wavelength was 608nm because Ru(bpy)3^2^+ was oxidized to Ru(bpy)3^3^+ and reacted with methoxyl radical to produce the excited state of Ru(bpy)3^2^+.

Key words: METHANOL, DISPROPORTIONATION REACTION, ELECTROLUMINESCENCE, BIPYRIDINE P, RUTHENIUM COMPLEX, GLASSY CARBON ELECTRODE

CLC Number:

O644

Cite this article

CHEN XI;JIA LI;ZUOTENG CHANGXIAN. Study on the electrochemiluminescence based on tris(2, 2'-bipyridine) ruthenium and methanol[J]. Acta Chimica Sinica, 1998, 56(3): 238-243.

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甲醇-联吡啶钌(II)体系的电致化学发光研究

Study on the electrochemiluminescence based on tris(2, 2'-bipyridine) ruthenium and methanol

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