Skip to content

Research at St Andrews

Odd-even effects in the cyclic voltammetry of self-assembled monolayers of biphenyl based thiols

Research output: Contribution to journalArticlepeer-review

Author(s)

Y T Long, H T Rong, Manfred Buck, M Grunze

School/Research organisations

Abstract

Monolayers of omega-(4'-methyl-biphenyl-4-yl)-alkanethiols (CH3-C6H4-C6H4-(CH2)(m)-SH, m = 1-6, BPm) adsorbed on polycrystalline gold were investigated by cyclic voltammetry. In sharp contrast to alkane thiols, the BPm monolayers show an electrochemical stability which alternates with the length of the alkane spacer. For m = even, reductive desorption takes place at potentials 83 mV more positive compared with m = odd. This odd-even effect is detected only for native layers and is lost after the first voltammetric cycle due to incomplete readsorption. In addition to the desorption potential the charge associated with the desorption also exhibits an odd-even behaviour. Beyond odd-even variations of intermolecular interactions and the thiol coverage which affect capacitive and Faradaic contributions to the desorption peak, the influence of an in-dependent charge distribution at the sulphur \ gold interface is discussed with respect to its influence on the Faradaic component and the assumption of a one electron transfer process in the reductive desorption of thiols. (C) 2002 Elsevier Science B.V. All rights reserved.

Close

Details

Original languageEnglish
Pages (from-to)62-67
Number of pages6
JournalJournal of Electroanalytical Chemistry
Volume524-525
DOIs
Publication statusPublished - 3 May 2002

    Research areas

  • self-assembled monolayers, thiols, electrochemistry, QUARTZ-CRYSTAL MICROBALANCE, AU(111) SINGLE-CRYSTAL, ELECTRON-TRANSFER, ALKANETHIOL MONOLAYERS, REDUCTIVE DESORPTION, GOLD, ELECTROCHEMISTRY, INTERFACE, SURFACES, BRIDGES

Discover related content
Find related publications, people, projects and more using interactive charts.

View graph of relations

Related by author

  1. Electron-induced modification of self-assembled monolayers of aromatic carboxylic acids

    Asyuda, A., de la Morena, R. O., Sauter, E., Turner, K., McDonald, K., Buck, M. & Zharnikov, M., 12 Nov 2020, In: Journal of Physical Chemistry C. 124, 45, p. 25107-25120 14 p.

    Research output: Contribution to journalArticlepeer-review

  2. Density functional theory study of Pd aggregation on a pyridine-terminated self-assembled monolayer

    Yao, Z., Buck, M. & Buehl, M., 17 Aug 2020, In: Chemistry - A European Journal. 26, 46, p. 10555-10563 10 p.

    Research output: Contribution to journalArticlepeer-review

  3. Carbon nanomembranes from aromatic carboxylate precursors

    Dementyev, P., Naberezhnyi, D., Westphal, M., Buck, M. & Golzhauser, A., 14 Apr 2020, In: ChemPhysChem. Early View, 7 p.

    Research output: Contribution to journalArticlepeer-review

  4. A deep blue B,N-doped heptacene emitter that shows both thermally activated delayed fluorescence and delayed fluorescence by triplet-triplet annihilation

    Madayanad Suresh, S., Duda, E., Hall, D., Yao, Z., Bagnich, S., Slawin, A. M. Z., Bässler, H., Beljonne, D., Buck, M., Olivier, Y., Köhler, A. & Zysman-Colman, E., 8 Apr 2020, In: Journal of the American Chemical Society. 142, 14, p. 6588–6599

    Research output: Contribution to journalArticlepeer-review

  5. Shape controlled assembly of carboxylic acids: formation of a binary monolayer by intercalation into molecular nanotunnels

    Ortiz de la Morena, R., Asyuda, A., Lu, H., Aitchison, H., Turner, K., Francis, S. M., Zharnikov, M. & Buck, M., 21 Feb 2020, In: Physical Chemistry Chemical Physics. 22, 7, p. 4205-4215 11 p.

    Research output: Contribution to journalArticlepeer-review

Related by journal

  1. Cyclic voltammetry and spectroelectrochemical study of nickel and cobalt diphenyltetraazaannulene complexes

    Alexander, B. D., Crayston, J. A. & Dines, T. J., 15 Jul 2007, In: Journal of Electroanalytical Chemistry. 605, p. 109-117 9 p.

    Research output: Contribution to journalArticlepeer-review

  2. Electrochemical and exchange studies of self-assembled monolayers of biphenyl based thiols on gold

    Felgenhauer, T., Rong, H. T. & Buck, M., 17 Jul 2003, In: Journal of Electroanalytical Chemistry. 550-551, p. 309-319 11 p.

    Research output: Contribution to journalArticlepeer-review

  3. Electrochemistry in UHV: Generation of lithium from all-solid-state cells

    Roy, S. C. & Bruce, P. G., 30 Oct 1996, In: Journal of Electroanalytical Chemistry. 415, 1-2, p. 33-39 7 p.

    Research output: Contribution to journalArticlepeer-review

  4. THE ELECTRICAL DOUBLE-LAYER AT THE INTERFACE BETWEEN MERCURY AND A POLYETHER ELECTROLYTE .2. THE EFFECT OF VARYING THE RELATIVE MOLAR-MASS OF THE SOLVENT

    BRUCE, P. G., LISOWSKAOLEKSIAK, A. & VINCENT, C. A., 7 Mar 1995, In: Journal of Electroanalytical Chemistry. 384, 1-2, p. 85-91 7 p.

    Research output: Contribution to journalArticlepeer-review

ID: 775165

Top