A Covalently Linked Quinone-Ferrocene Monolayer-Electrode: A pH Sensor with an Internal Reference

Michal Lahav; Eugenii Katz; Itamar Willner

doi:10.1002/(SICI)1521-4109(199811)10:17<1159::AID-ELAN1159>3.0.CO;2-L

A Covalently Linked Quinone-Ferrocene Monolayer-Electrode: A pH Sensor with an Internal Reference

Michal Lahav
, Eugenii Katz
, Itamar Willner^*

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

A covalently linked naphthoquinone-ferrocene pair monolayer is assembled onto a Au-electrode. The electrochemistry of the quinone components is pH-controlled, whereas the ferrocene electroactivity is pH-independent. This transforms the functionalized monolayer electrode to a pH-sensor that excludes the need for a reference electrode for pH-determination.

Original language	English
Pages (from-to)	1159-1162
Number of pages	4
Journal	Electroanalysis
Volume	10
Issue number	17
DOIs	https://doi.org/10.1002/(SICI)1521-4109(199811)10:17<1159::AID-ELAN1159>3.0.CO;2-L
State	Published - Dec 1998

Keywords

Composite monolayers
Electroactive monolayers
Modified electrodes
Monolayer electrodes
pH-electrode
pH-sensor

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10.1002/(SICI)1521-4109(199811)10:17<1159::AID-ELAN1159>3.0.CO;2-L

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abstract = "A covalently linked naphthoquinone-ferrocene pair monolayer is assembled onto a Au-electrode. The electrochemistry of the quinone components is pH-controlled, whereas the ferrocene electroactivity is pH-independent. This transforms the functionalized monolayer electrode to a pH-sensor that excludes the need for a reference electrode for pH-determination.",

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T2 - A pH Sensor with an Internal Reference

AU - Lahav, Michal

AU - Katz, Eugenii

AU - Willner, Itamar

PY - 1998/12

Y1 - 1998/12

N2 - A covalently linked naphthoquinone-ferrocene pair monolayer is assembled onto a Au-electrode. The electrochemistry of the quinone components is pH-controlled, whereas the ferrocene electroactivity is pH-independent. This transforms the functionalized monolayer electrode to a pH-sensor that excludes the need for a reference electrode for pH-determination.

AB - A covalently linked naphthoquinone-ferrocene pair monolayer is assembled onto a Au-electrode. The electrochemistry of the quinone components is pH-controlled, whereas the ferrocene electroactivity is pH-independent. This transforms the functionalized monolayer electrode to a pH-sensor that excludes the need for a reference electrode for pH-determination.

KW - Composite monolayers

KW - Electroactive monolayers

KW - Modified electrodes

KW - Monolayer electrodes

KW - pH-electrode

KW - pH-sensor

UR - https://www.scopus.com/pages/publications/0001159178

U2 - 10.1002/(SICI)1521-4109(199811)10:17<1159::AID-ELAN1159>3.0.CO;2-L

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JO - Electroanalysis

JF - Electroanalysis

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A Covalently Linked Quinone-Ferrocene Monolayer-Electrode: A pH Sensor with an Internal Reference

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