Skip to content

Research at St Andrews

New class of metal bound molecular switches involving H-tautomerism

Research output: Contribution to journalArticlepeer-review

DOI

Open Access permissions

Open

Author(s)

Grant James Simpson, Simon William Leslie Hogan, Marco Caffio, Christopher J. Adams, Herbert Anton Fruchtl, Tanja van Mourik, Renald Schaub

School/Research organisations

Abstract

A potential end-point in the miniaturization of electronic devices lies in the field of molecular electronics, where molecules perform the function of single components. To date, hydrogen tautomerism in unimolecular switches has been restricted to the central macrocycle of porphyrin-type molecules. The present work reveals how H-tautomerism is the mechanism for switching in substituted quinone derivatives – a novel class of molecules with a different chemical structure. We hence reveal that the previous restrictions applying to tautomeric molecular switches bound to a surface are not valid in general. The activation energy of switching in a prototypical quinone derivative is determined using inelastic electron tunneling. Through computational modeling, we show that the mechanism underlying this process is tautomerisation of protons belonging to two amino groups. This switching property is retained upon functionalization by the addition of side groups, meaning that the switch can be chemically modified to fit specific applications.
Close

Details

Original languageEnglish
Pages (from-to)634-639
JournalNano Letters
Volume14
Issue number2
Early online date28 Jan 2014
DOIs
Publication statusPublished - 12 Feb 2014

    Research areas

  • STM, Tautomerisation, Molecular switches, Inelastic tunneling

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

View graph of relations

Related by author

  1. A quinone based single-molecule switch as building block for molecular electronics

    Früchtl, H. A. & van Mourik, T., 21 Jan 2021, In: Physical Chemistry Chemical Physics. 23, 3, p. 1811-1814

    Research output: Contribution to journalArticlepeer-review

  2. Next generation QTAIM for scoring molecular wires in E-fields for molecular electronic devices

    Azizi, A., Momen, R., Fruchtl, H., van Mourik, T., Kirk, S. R. & Jenkins, S., 27 Dec 2019, In: Journal of Computational Chemistry. Early View

    Research output: Contribution to journalArticlepeer-review

  3. Halogen and hydrogen bonding in halogenabenzene/NH3 complexes compared using next-generation QTAIM

    Li, S., Xu, T., van Mourik, T., Früchtl, H., Kirk, S. R. & Jenkins, S., 8 Aug 2019, In: Molecules. 24, 16, 12 p., 2875.

    Research output: Contribution to journalArticlepeer-review

  4. Next generation QTAIM for the design of quinone-based switches

    Tian, T., Xu, T., van Mourik, T., Früchtl, H., Kirk, S. R. & Jenkins, S., May 2019, In: Chemical Physics Letters. 722, p. 110-118 9 p.

    Research output: Contribution to journalArticlepeer-review

Related by journal

  1. Strain-stabilized (π,π) order at the surface of Fe1+xTe

    Yim, C. M., Panja, S., Trainer, C., Topping, C., Heil, C., Gibbs, A., Magdysyuk, O., Tsurkan, V., Loidl, A., Rost, A. W. & Wahl, P., 14 Apr 2021, In: Nano Letters. 21, 7, p. 2786-2792 7 p.

    Research output: Contribution to journalArticlepeer-review

  2. Ultrafast triggering of insulator-metal transition in two-dimensional VSe2

    Biswas, D., Jones, A. J. H., Majchrzak, P., Choi, B. K., Lee, T-H., Volckaert, K., Feng, J., Marković, I., Andreatta, F., Kang, C-J., Kim, H. J., Lee, I. H., Jozwiak, C., Rotenberg, E., Bostwick, A., Sanders, C. E., Zhang, Y., Karras, G., Chapman, R. T., Wyatt, A. S. & 7 others, Springate, E., Miwa, J. A., Hofmann, P., King, P. D. C., Chang, Y. J., Lanatà, N. & Ulstrup, S., 18 Feb 2021, In: Nano Letters. Articles ASAP, 8 p.

    Research output: Contribution to journalArticlepeer-review

  3. Purcell-enhanced and indistinguishable single-photon generation from quantum dots coupled to on-chip integrated ring resonators

    Dusanowski, Ł., Köck, D., Shin, E., Kwon, S-H., Schneider, C. & Höfling, S., 24 Jul 2020, In: Nano Letters. 20, 9, p. 6357–6363 7 p.

    Research output: Contribution to journalArticlepeer-review

  4. Quantum beat between sunlight and single photons

    Duan, Z-C., Deng, Y-H., Yu, Y., Chen, S., Qin, J., Wang, H., Ding, X., Peng, L-C., Schneider, C., Wang, D-W., Höfling, S., Dowling, J. P., Lu, C-Y. & Pan, J-W., 16 Dec 2019, In: Nano Letters. Articles ASAP

    Research output: Contribution to journalArticlepeer-review

  5. Strain-tunable single photon sources in WSe2 monolayers

    Iff, O., Tedeschi, D., Martín-Sánchez, J., Moczała-Dusanowska, M., Tongay, S., Yumigeta, K., Taboada-Gutiérrez, J., Savaresi, M., Rastelli, A., Alonso-González, P., Höfling, S., Trotta, R. & Schneider, C., 9 Oct 2019, In: Nano Letters. 19, 10, p. 6931-6936

    Research output: Contribution to journalArticlepeer-review

ID: 99857756

Top