Chemical sensor which can be used for a multi-purpose chemical measurement to detect various chemical substances with a small number of a sensor array was investigated. It was confirmed that chemical compounds adsorbed strongly and irreversibly on a platinum surface using conventional electrochemical methods and an instrumental surface analysis. The adsorbates were also analyzed by means of an electrochemical impedance spectroscopy under dynamic potential scan; measured impedance reflects CPE (constant phase element) properties of the electrode surface. The method provides a convenient technique for the surface analysis of adsorbing chemicals. The CPE response profile was modified through chemical adsorption/desorption and the interaction between the polarized surface and chemical substances. Consequently, various profiles depending on chemical substances were obtained and it had quantitative and qualitative information about chemicals interacting with the surface. The present method which does not require a specific electrochemical reaction can be applied for multi-purpose chemical sensors and also simple chemical analyses.
The copyright of the original papers published on this site belongs to IEICE. Unauthorized use of the original or translated papers is prohibited. See IEICE Provisions on Copyright for details.
Copy
Kenshi HAYASHI, Kosuke HAYAMA, Kumi MASUNAGA, Wataru FUTAGAMI, Seung-Woo LEE, Kiyoshi TOKO, "Analysis of Adsorbing Molecules on Pt Surface Using Electrochemical Impedance Spectroscopy" in IEICE TRANSACTIONS on Electronics,
vol. E87-C, no. 12, pp. 2087-2092, December 2004, doi: .
Abstract: Chemical sensor which can be used for a multi-purpose chemical measurement to detect various chemical substances with a small number of a sensor array was investigated. It was confirmed that chemical compounds adsorbed strongly and irreversibly on a platinum surface using conventional electrochemical methods and an instrumental surface analysis. The adsorbates were also analyzed by means of an electrochemical impedance spectroscopy under dynamic potential scan; measured impedance reflects CPE (constant phase element) properties of the electrode surface. The method provides a convenient technique for the surface analysis of adsorbing chemicals. The CPE response profile was modified through chemical adsorption/desorption and the interaction between the polarized surface and chemical substances. Consequently, various profiles depending on chemical substances were obtained and it had quantitative and qualitative information about chemicals interacting with the surface. The present method which does not require a specific electrochemical reaction can be applied for multi-purpose chemical sensors and also simple chemical analyses.
URL: https://global.ieice.org/en_transactions/electronics/10.1587/e87-c_12_2087/_p
Copy
@ARTICLE{e87-c_12_2087,
author={Kenshi HAYASHI, Kosuke HAYAMA, Kumi MASUNAGA, Wataru FUTAGAMI, Seung-Woo LEE, Kiyoshi TOKO, },
journal={IEICE TRANSACTIONS on Electronics},
title={Analysis of Adsorbing Molecules on Pt Surface Using Electrochemical Impedance Spectroscopy},
year={2004},
volume={E87-C},
number={12},
pages={2087-2092},
abstract={Chemical sensor which can be used for a multi-purpose chemical measurement to detect various chemical substances with a small number of a sensor array was investigated. It was confirmed that chemical compounds adsorbed strongly and irreversibly on a platinum surface using conventional electrochemical methods and an instrumental surface analysis. The adsorbates were also analyzed by means of an electrochemical impedance spectroscopy under dynamic potential scan; measured impedance reflects CPE (constant phase element) properties of the electrode surface. The method provides a convenient technique for the surface analysis of adsorbing chemicals. The CPE response profile was modified through chemical adsorption/desorption and the interaction between the polarized surface and chemical substances. Consequently, various profiles depending on chemical substances were obtained and it had quantitative and qualitative information about chemicals interacting with the surface. The present method which does not require a specific electrochemical reaction can be applied for multi-purpose chemical sensors and also simple chemical analyses.},
keywords={},
doi={},
ISSN={},
month={December},}
Copy
TY - JOUR
TI - Analysis of Adsorbing Molecules on Pt Surface Using Electrochemical Impedance Spectroscopy
T2 - IEICE TRANSACTIONS on Electronics
SP - 2087
EP - 2092
AU - Kenshi HAYASHI
AU - Kosuke HAYAMA
AU - Kumi MASUNAGA
AU - Wataru FUTAGAMI
AU - Seung-Woo LEE
AU - Kiyoshi TOKO
PY - 2004
DO -
JO - IEICE TRANSACTIONS on Electronics
SN -
VL - E87-C
IS - 12
JA - IEICE TRANSACTIONS on Electronics
Y1 - December 2004
AB - Chemical sensor which can be used for a multi-purpose chemical measurement to detect various chemical substances with a small number of a sensor array was investigated. It was confirmed that chemical compounds adsorbed strongly and irreversibly on a platinum surface using conventional electrochemical methods and an instrumental surface analysis. The adsorbates were also analyzed by means of an electrochemical impedance spectroscopy under dynamic potential scan; measured impedance reflects CPE (constant phase element) properties of the electrode surface. The method provides a convenient technique for the surface analysis of adsorbing chemicals. The CPE response profile was modified through chemical adsorption/desorption and the interaction between the polarized surface and chemical substances. Consequently, various profiles depending on chemical substances were obtained and it had quantitative and qualitative information about chemicals interacting with the surface. The present method which does not require a specific electrochemical reaction can be applied for multi-purpose chemical sensors and also simple chemical analyses.
ER -