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Electrochemiluminescence of lucigenin/tributylamine system in ethanol solution

Paper ID Volume ID Publish Year Pages File Format Full-Text
29137 44124 2008 7 PDF Available
Title
Electrochemiluminescence of lucigenin/tributylamine system in ethanol solution
Abstract

The electrogenerated chemiluminescence (ECL) behavior of lucigenin in the presence of tributylamine (TBA) or other amines in ethanol solution at a polycrystalline gold electrode was studied under conventional cyclic voltammetric conditions. An anodic ECL peak (ECL-1 at 0.91 V vs. SCE) with two shoulders (S1 at 0.52 V and S2 at 1.19 V) and their counter-peaks (ECL-2 at 0.66 V, S3 at 0.33 V, and S4 at 1.07 V) during reversal potential scan were found in the lucigenin/TBA system. The effects of various factors such as media, material of electrode, concentration of lucigenin and TBA, atmosphere, electrolytes, and potential scan rate on ECL peaks were examined. The emitter of all ECL peaks was identified as N-methylacridone (NMA) by analyzing the ECL spectra. The mechanism for these ECL peaks is proposed to be due to the reactions of lucigenin with the free radical reductant such as Bu3N and Bu2NH electrogenerated by TBA at different potentials.

Keywords
Electrochemiluminescence; Lucigenin; Tributylamine
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Electrochemiluminescence of lucigenin/tributylamine system in ethanol solution
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 197, Issue 1, 10 June 2008, Pages 55–61
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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