Calcium ion-Calixquinone complexes adsorbed on a silver electrode

Sun Kil Kang; One-Sun Lee; Suk Kyu Chang; Doo Soo Chung; Hasuck Kim; Taek Dong Chung

doi:10.1021/jp9067262

Calcium ion-Calixquinone complexes adsorbed on a silver electrode

Sun Kil Kang, One-Sun Lee, Suk Kyu Chang, Doo Soo Chung, Hasuck Kim, Taek Dong Chung

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5 Citations (Scopus)

Abstract

The structures and redox-switching behavior of Ca²⁺/calix[4] quinone complexes on a Ag surface were investigated by reflection-absorption infrared spectroscopy (RAIRS), Monte Carlo simulation, and voltammetry. RAIRS and Monte Carlo simulation show that the carboxylate groups of calix[4]arene-triacidmonoquinone (CTAQ) and calix[4]arene-diacid-diquinone (CDAQ) are involved in not only binding with the Ca²⁺ ions but also spontaneous adsorption of their complexes onto the Ag surface. According to the RAIRS results, the Ca²⁺ ions in the complexes lie in vicinity to the quinone moieties. Monte Carlo simulation provides more detailed information about the probable conformations of the Ca²⁺/calix[4]quinone complexes adsorbed on the Ag surface. Voltammetric behavior is consistent with the RAIRS and Monte Carlo simulation results and shows the effect of Ca ²⁺ ions to the redox processes of the CTAQ- or CDAQ-modified Ag electrodes.

Original language	English
Pages (from-to)	19981-19985
Number of pages	5
Journal	Journal of Physical Chemistry C
Volume	113
Issue number	46
DOIs	https://doi.org/10.1021/jp9067262
Publication status	Published - 22 Dec 2009
Externally published	Yes

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ASJC Scopus subject areas

Physical and Theoretical Chemistry
Electronic, Optical and Magnetic Materials
Surfaces, Coatings and Films
Energy(all)

Cite this

Kang, S. K., Lee, O-S., Chang, S. K., Chung, D. S., Kim, H., & Chung, T. D. (2009). Calcium ion-Calixquinone complexes adsorbed on a silver electrode. Journal of Physical Chemistry C, 113(46), 19981-19985. https://doi.org/10.1021/jp9067262

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abstract = "The structures and redox-switching behavior of Ca2+/calix[4] quinone complexes on a Ag surface were investigated by reflection-absorption infrared spectroscopy (RAIRS), Monte Carlo simulation, and voltammetry. RAIRS and Monte Carlo simulation show that the carboxylate groups of calix[4]arene-triacidmonoquinone (CTAQ) and calix[4]arene-diacid-diquinone (CDAQ) are involved in not only binding with the Ca2+ ions but also spontaneous adsorption of their complexes onto the Ag surface. According to the RAIRS results, the Ca2+ ions in the complexes lie in vicinity to the quinone moieties. Monte Carlo simulation provides more detailed information about the probable conformations of the Ca2+/calix[4]quinone complexes adsorbed on the Ag surface. Voltammetric behavior is consistent with the RAIRS and Monte Carlo simulation results and shows the effect of Ca 2+ ions to the redox processes of the CTAQ- or CDAQ-modified Ag electrodes.",

author = "Kang, {Sun Kil} and One-Sun Lee and Chang, {Suk Kyu} and Chung, {Doo Soo} and Hasuck Kim and Chung, {Taek Dong}",

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T1 - Calcium ion-Calixquinone complexes adsorbed on a silver electrode

AU - Kang, Sun Kil

AU - Lee, One-Sun

AU - Chang, Suk Kyu

AU - Chung, Doo Soo

AU - Kim, Hasuck

AU - Chung, Taek Dong

PY - 2009/12/22

Y1 - 2009/12/22

N2 - The structures and redox-switching behavior of Ca2+/calix[4] quinone complexes on a Ag surface were investigated by reflection-absorption infrared spectroscopy (RAIRS), Monte Carlo simulation, and voltammetry. RAIRS and Monte Carlo simulation show that the carboxylate groups of calix[4]arene-triacidmonoquinone (CTAQ) and calix[4]arene-diacid-diquinone (CDAQ) are involved in not only binding with the Ca2+ ions but also spontaneous adsorption of their complexes onto the Ag surface. According to the RAIRS results, the Ca2+ ions in the complexes lie in vicinity to the quinone moieties. Monte Carlo simulation provides more detailed information about the probable conformations of the Ca2+/calix[4]quinone complexes adsorbed on the Ag surface. Voltammetric behavior is consistent with the RAIRS and Monte Carlo simulation results and shows the effect of Ca 2+ ions to the redox processes of the CTAQ- or CDAQ-modified Ag electrodes.

AB - The structures and redox-switching behavior of Ca2+/calix[4] quinone complexes on a Ag surface were investigated by reflection-absorption infrared spectroscopy (RAIRS), Monte Carlo simulation, and voltammetry. RAIRS and Monte Carlo simulation show that the carboxylate groups of calix[4]arene-triacidmonoquinone (CTAQ) and calix[4]arene-diacid-diquinone (CDAQ) are involved in not only binding with the Ca2+ ions but also spontaneous adsorption of their complexes onto the Ag surface. According to the RAIRS results, the Ca2+ ions in the complexes lie in vicinity to the quinone moieties. Monte Carlo simulation provides more detailed information about the probable conformations of the Ca2+/calix[4]quinone complexes adsorbed on the Ag surface. Voltammetric behavior is consistent with the RAIRS and Monte Carlo simulation results and shows the effect of Ca 2+ ions to the redox processes of the CTAQ- or CDAQ-modified Ag electrodes.

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10.1021/jp9067262