Bimetallic catalyst of PtIr nanoparticles with high electrocatalytic ability for hydrogen peroxide oxidation

Shih Hong Chang; Min Hsin Yeh; John Rick; Wei Nien Su; Din Goa Liu; Jyh Fu Lee; Chung Chiun Liu; Bing Joe Hwang

doi:10.1016/j.snb.2013.08.022

Bimetallic catalyst of PtIr nanoparticles with high electrocatalytic ability for hydrogen peroxide oxidation

Shih Hong Chang, Min Hsin Yeh, John Rick, Wei Nien Su, Din Goa Liu, Jyh Fu Lee, Chung Chiun Liu, Bing Joe Hwang

材料科學與工程研究所

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

36 引文斯高帕斯（Scopus）

摘要

Carbon supported platinum-iridium bimetallic nanoparticles (PtIr/C) for the electrochemical sensing of hydrogen peroxide (H₂O₂) were developed. Both the cyclic voltammogram (CV) and the amperometric response indicated that PtIr/C possesses a higher oxidation current than either Pt/C or Ir/C over the detection range 0-10 mM at 0.25 V (vs. SCE). The addition of Ir appears to facilitate oxidation kinetics and decrease the competitive adsorption of dioxygen and oxygenated intermediates. These changes were investigated by electrochemical measurements and X-ray absorption near edge spectroscopy (XANES). This study demonstrated that the PtIr/C provide a stable platform for electrochemical sensing of H₂O₂-derivated biospecies without enzymes and redox mediators.

原文	???core.languages.en_GB???
頁（從 - 到）	55-60
頁數	6
期刊	Sensors and Actuators, B: Chemical
卷	190
DOIs	https://doi.org/10.1016/j.snb.2013.08.022
出版狀態	已出版 - 2014

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10.1016/j.snb.2013.08.022

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@article{a51517b21be94344820799212c5648ca,

title = "Bimetallic catalyst of PtIr nanoparticles with high electrocatalytic ability for hydrogen peroxide oxidation",

abstract = "Carbon supported platinum-iridium bimetallic nanoparticles (PtIr/C) for the electrochemical sensing of hydrogen peroxide (H2O2) were developed. Both the cyclic voltammogram (CV) and the amperometric response indicated that PtIr/C possesses a higher oxidation current than either Pt/C or Ir/C over the detection range 0-10 mM at 0.25 V (vs. SCE). The addition of Ir appears to facilitate oxidation kinetics and decrease the competitive adsorption of dioxygen and oxygenated intermediates. These changes were investigated by electrochemical measurements and X-ray absorption near edge spectroscopy (XANES). This study demonstrated that the PtIr/C provide a stable platform for electrochemical sensing of H2O2-derivated biospecies without enzymes and redox mediators.",

keywords = "Bimetallic nanocatalysts, Electrocatalytic activity, Hydrogen peroxide oxidation reaction, Platinum, Unfilled d-states",

author = "Chang, {Shih Hong} and Yeh, {Min Hsin} and John Rick and Su, {Wei Nien} and Liu, {Din Goa} and Lee, {Jyh Fu} and Liu, {Chung Chiun} and Hwang, {Bing Joe}",

note = "Funding Information: The authors gratefully acknowledge the support from the National Science Council (NSC) , the National Synchrotron Radiation Research Center (NSRRC) , the National Taiwan University of Science and Technology (NTUST) and Electronics Design Center of Case Western Reserve University (CWRU) . ",

year = "2014",

doi = "10.1016/j.snb.2013.08.022",

language = "???core.languages.en_GB???",

volume = "190",

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T1 - Bimetallic catalyst of PtIr nanoparticles with high electrocatalytic ability for hydrogen peroxide oxidation

AU - Chang, Shih Hong

AU - Yeh, Min Hsin

AU - Rick, John

AU - Su, Wei Nien

AU - Liu, Din Goa

AU - Lee, Jyh Fu

AU - Liu, Chung Chiun

AU - Hwang, Bing Joe

N1 - Funding Information: The authors gratefully acknowledge the support from the National Science Council (NSC) , the National Synchrotron Radiation Research Center (NSRRC) , the National Taiwan University of Science and Technology (NTUST) and Electronics Design Center of Case Western Reserve University (CWRU) .

PY - 2014

Y1 - 2014

N2 - Carbon supported platinum-iridium bimetallic nanoparticles (PtIr/C) for the electrochemical sensing of hydrogen peroxide (H2O2) were developed. Both the cyclic voltammogram (CV) and the amperometric response indicated that PtIr/C possesses a higher oxidation current than either Pt/C or Ir/C over the detection range 0-10 mM at 0.25 V (vs. SCE). The addition of Ir appears to facilitate oxidation kinetics and decrease the competitive adsorption of dioxygen and oxygenated intermediates. These changes were investigated by electrochemical measurements and X-ray absorption near edge spectroscopy (XANES). This study demonstrated that the PtIr/C provide a stable platform for electrochemical sensing of H2O2-derivated biospecies without enzymes and redox mediators.

AB - Carbon supported platinum-iridium bimetallic nanoparticles (PtIr/C) for the electrochemical sensing of hydrogen peroxide (H2O2) were developed. Both the cyclic voltammogram (CV) and the amperometric response indicated that PtIr/C possesses a higher oxidation current than either Pt/C or Ir/C over the detection range 0-10 mM at 0.25 V (vs. SCE). The addition of Ir appears to facilitate oxidation kinetics and decrease the competitive adsorption of dioxygen and oxygenated intermediates. These changes were investigated by electrochemical measurements and X-ray absorption near edge spectroscopy (XANES). This study demonstrated that the PtIr/C provide a stable platform for electrochemical sensing of H2O2-derivated biospecies without enzymes and redox mediators.

KW - Bimetallic nanocatalysts

KW - Electrocatalytic activity

KW - Hydrogen peroxide oxidation reaction

KW - Platinum

KW - Unfilled d-states

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U2 - 10.1016/j.snb.2013.08.022

DO - 10.1016/j.snb.2013.08.022

M3 - 期刊論文

AN - SCOPUS:84884370577

SN - 0925-4005

VL - 190

SP - 55

EP - 60

JO - Sensors and Actuators, B: Chemical

JF - Sensors and Actuators, B: Chemical

ER -

Bimetallic catalyst of PtIr nanoparticles with high electrocatalytic ability for hydrogen peroxide oxidation

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