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

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)19981-19985
Number of pages5
JournalJournal of Physical Chemistry C
Volume113
Issue number46
DOIs
Publication statusPublished - 22 Dec 2009
Externally publishedYes

Fingerprint

Absorption spectroscopy
Silver
calcium
Infrared spectroscopy
Calcium
absorption spectroscopy
quinones
infrared spectroscopy
silver
Ions
Electrodes
electrodes
ions
simulation
Voltammetry
carboxylates
Conformations
Adsorption
adsorption
Monte Carlo simulation

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

Calcium ion-Calixquinone complexes adsorbed on a silver electrode. / Kang, Sun Kil; Lee, One-Sun; Chang, Suk Kyu; Chung, Doo Soo; Kim, Hasuck; Chung, Taek Dong.

In: Journal of Physical Chemistry C, Vol. 113, No. 46, 22.12.2009, p. 19981-19985.

Research output: Contribution to journalArticle

Kang, SK, Lee, O-S, Chang, SK, Chung, DS, Kim, H & Chung, TD 2009, 'Calcium ion-Calixquinone complexes adsorbed on a silver electrode', Journal of Physical Chemistry C, vol. 113, no. 46, pp. 19981-19985. https://doi.org/10.1021/jp9067262
Kang, Sun Kil ; Lee, One-Sun ; Chang, Suk Kyu ; Chung, Doo Soo ; Kim, Hasuck ; Chung, Taek Dong. / Calcium ion-Calixquinone complexes adsorbed on a silver electrode. In: Journal of Physical Chemistry C. 2009 ; Vol. 113, No. 46. pp. 19981-19985.
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