Electrogenerated Chemiluminescence of Tris(dibenzoylmethane)phenanthroline Europium(III) as a Light Source: An Application for the Detection of PO43− Based on the Ion Associate Formation of Phosphomolybdic Acid and Malachite Green

We demonstrate that electorogenerated chemiluminescence (ECL) of an organometallic Eu(III) complex, tris(dibenzoylmethane)phenanthroline europium(III), whose emission spectra is very sharp with the maximum wavelength of 612 nm, can be used as a light source for the detection of PO43− based on changi...

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Bibliographic Details
Published in:Analytical Sciences 2019/07/10, Vol.35(7), pp.799-802
Main Authors: KUNISAWA, Eri, ISHIMATSU, Ryoichi, NAKANO, Koji, IMATO, Toshihiko
Format: Article
Language:English
Subjects:
Absorbance
Analytical Chemistry
Chemiluminescence
Chemistry
Electrochemiluminescence
Emission spectra
Europium
Ion association
light absorption
Light sources
Malachite green
Microscopes
molybdate
Organic chemistry
Phosphomolybdic acid
tris(dibenzoylmethane)phenanthroline europium(III)
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Summary:We demonstrate that electorogenerated chemiluminescence (ECL) of an organometallic Eu(III) complex, tris(dibenzoylmethane)phenanthroline europium(III), whose emission spectra is very sharp with the maximum wavelength of 612 nm, can be used as a light source for the detection of PO43− based on changing the absorbance of the ion associate of malachite green (MG+) and phosphomolybdic acid. The ECL was also applied to measure the absorbance of MG+. With the detection system we established, absorbance up to ∼1.6 with a change of ∼0.1 could be detected.
ISSN:0910-6340
1348-2246
DOI:10.2116/analsci.19N003