IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v9y2018i1d10.1038_s41467-018-07190-1.html
   My bibliography  Save this article

Vibrational fingerprint of localized excitons in a two-dimensional metal-organic crystal

Author

Listed:
  • M. Corva

    (Dipartimento di Fisica, Università degli Studi di Trieste
    Istituto Officina dei Materiali CNR-IOM)

  • A. Ferrari

    (Dipartimento di Fisica, Università degli Studi di Trieste
    ICAMS, Ruhr-Universität Bochum)

  • M. Rinaldi

    (Dipartimento di Fisica, Università degli Studi di Trieste)

  • Z. Feng

    (Dipartimento di Fisica, Università degli Studi di Trieste
    University of California, Irvine)

  • M. Roiaz

    (Technische Universität Wien)

  • C. Rameshan

    (Technische Universität Wien)

  • G. Rupprechter

    (Technische Universität Wien)

  • R. Costantini

    (Dipartimento di Fisica, Università degli Studi di Trieste
    Istituto Officina dei Materiali CNR-IOM)

  • M. Dell’Angela

    (Istituto Officina dei Materiali CNR-IOM)

  • G. Pastore

    (Dipartimento di Fisica, Università degli Studi di Trieste)

  • G. Comelli

    (Dipartimento di Fisica, Università degli Studi di Trieste
    Istituto Officina dei Materiali CNR-IOM)

  • N. Seriani

    (The Abdus Salam International Centre for Theoretical Physics)

  • E. Vesselli

    (Dipartimento di Fisica, Università degli Studi di Trieste
    Istituto Officina dei Materiali CNR-IOM)

Abstract

Long-lived excitons formed upon visible light absorption play an essential role in photovoltaics, photocatalysis, and even in high-density information storage. Here, we describe a self-assembled two-dimensional metal-organic crystal, composed of graphene-supported macrocycles, each hosting a single FeN4 center, where a single carbon monoxide molecule can adsorb. In this heme-like biomimetic model system, excitons are generated by visible laser light upon a spin transition associated with the layer 2D crystallinity, and are simultaneously detected via the carbon monoxide ligand stretching mode at room temperature and near-ambient pressure. The proposed mechanism is supported by the results of infrared and time-resolved pump-probe spectroscopies, and by ab initio theoretical methods, opening a path towards the handling of exciton dynamics on 2D biomimetic crystals.

Suggested Citation

  • M. Corva & A. Ferrari & M. Rinaldi & Z. Feng & M. Roiaz & C. Rameshan & G. Rupprechter & R. Costantini & M. Dell’Angela & G. Pastore & G. Comelli & N. Seriani & E. Vesselli, 2018. "Vibrational fingerprint of localized excitons in a two-dimensional metal-organic crystal," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07190-1
    DOI: 10.1038/s41467-018-07190-1
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-018-07190-1
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/s41467-018-07190-1?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07190-1. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.