Electrodeposition of iridium oxide nanoparticles for pH Sensing Electrodes

Munawar Khalil; Sai Wang; Jianjia Yu; Robert L. Lee; Ning Liu

doi:10.1149/2.0391609jes

Electrodeposition of iridium oxide nanoparticles for pH Sensing Electrodes

Munawar Khalil, Sai Wang, Jianjia Yu, Robert L. Lee, Ning Liu

Department of Chemistry

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

29 Citations (Scopus)

Abstract

This paper reports the results of an experiment on the synthesis and electrodeposition of iridium oxide nanoparticles for the fabrication of a pH sensor. Iridium oxide nanoparticles with mean diameter in the range of 1-2 nm were successfully synthesized and electrodeposited on stainless steel substrate by cyclic voltammetry. It was observed that the surface of the deposited iridium oxide film exhibited porous and rough surface morphology. The iridium oxide electrode thus prepared displayed excellent pH sensitivity, obtaining super-Nernstian behavior with pH sensitivity value of -72.6 mV/pH.

Original language	English
Pages (from-to)	B485-B490
Journal	Journal of the Electrochemical Society
Volume	163
Issue number	9
DOIs	https://doi.org/10.1149/2.0391609jes
Publication status	Published - 2016

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abstract = "This paper reports the results of an experiment on the synthesis and electrodeposition of iridium oxide nanoparticles for the fabrication of a pH sensor. Iridium oxide nanoparticles with mean diameter in the range of 1-2 nm were successfully synthesized and electrodeposited on stainless steel substrate by cyclic voltammetry. It was observed that the surface of the deposited iridium oxide film exhibited porous and rough surface morphology. The iridium oxide electrode thus prepared displayed excellent pH sensitivity, obtaining super-Nernstian behavior with pH sensitivity value of -72.6 mV/pH.",

author = "Munawar Khalil and Sai Wang and Jianjia Yu and Lee, {Robert L.} and Ning Liu",

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AU - Khalil, Munawar

AU - Wang, Sai

AU - Yu, Jianjia

AU - Lee, Robert L.

AU - Liu, Ning

PY - 2016

Y1 - 2016

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AB - This paper reports the results of an experiment on the synthesis and electrodeposition of iridium oxide nanoparticles for the fabrication of a pH sensor. Iridium oxide nanoparticles with mean diameter in the range of 1-2 nm were successfully synthesized and electrodeposited on stainless steel substrate by cyclic voltammetry. It was observed that the surface of the deposited iridium oxide film exhibited porous and rough surface morphology. The iridium oxide electrode thus prepared displayed excellent pH sensitivity, obtaining super-Nernstian behavior with pH sensitivity value of -72.6 mV/pH.

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JO - Journal of the Electrochemical Society

JF - Journal of the Electrochemical Society

IS - 9

ER -

Electrodeposition of iridium oxide nanoparticles for pH Sensing Electrodes

Abstract

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