Bright Electroluminescence from Single Graphene Nanoribbon Junctions

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{
  "updated": "2020-04-26T00:00:00+00:00", 
  "revision": 1, 
  "created": "2020-05-12T13:53:56.730610+00:00", 
  "metadata": {
    "license": "Creative Commons Attribution 4.0 International", 
    "description": "This record refers to a study on the electroluminescence of individual GNRs suspended between the tip of a scanning tunneling microscope (STM) and a Au(111) substrate. Emission spectra of such GNR junctions reveal a bright and narrow band emission of red light, whose energy can be tuned with the bias voltage applied to the junction, but always lying below the gap of infinite GNRs. Comparison with ab initio calculations indicates that the emission involves electronic states localized at the GNR termini. The results shed light on unpredicted optical transitions in GNRs.\r\n\r\nThe record includes the computational data that allows to reproduce the published results.\r\n\r\n", 
    "owner": 91, 
    "keywords": [
      "density functional theory", 
      "Graphene nanoribbons", 
      "electroluminescence", 
      "single-molecule junction", 
      "scanning tunneling microscopy", 
      "induced light emission", 
      "GW", 
      "MaX", 
      "PRACE"
    ], 
    "conceptrecid": "368", 
    "publication_date": "Apr 26, 2020, 00:00:00", 
    "is_last": true, 
    "doi": "10.24435/materialscloud:2020.0040/v1", 
    "version": 1, 
    "id": "369", 
    "_oai": {
      "id": "oai:materialscloud.org:369"
    }, 
    "references": [
      {
        "citation": "M. C. Chong, N. Afshar-Imani, F. Scheurer, C. Cardoso, A. Ferretti, D. Prezzi, G. Schull, Nano Lett. 181175-181 (2018)", 
        "type": "Journal reference", 
        "comment": "Paper in which on the electroluminescence of individual GNRs suspended between the tip of a scanning tunneling microscope (STM) and a Au(111) substrate is reported. Comparison with ab initio calculations shed light on unpredicted optical transitions in GNRs . \r\n\r\nThe calculations of the optical spectra are done within Many Body perturbation Teory, using the Bethe-Salpeter Equation. The electronic properties are computed within Density Functional Theory, and the quasiparticle energies computed within the G0W0 approximation.", 
        "url": "https://doi.org/10.1021/acs.nanolett.7b03797", 
        "doi": "10.1021/acs.nanolett.7b03797"
      }
    ], 
    "title": "Bright Electroluminescence from Single Graphene Nanoribbon Junctions", 
    "contributors": [
      {
        "affiliations": [
          "S3 Center, Istituto Nanoscienze, Consiglio Nazionale delle Ricerche, via Campi 213/A, 41125, Modena, Italy"
        ], 
        "familyname": "Prezzi", 
        "givennames": "Deborah", 
        "email": "deborah.prezzi@nano.cnr.it"
      }, 
      {
        "affiliations": [
          "Institut de Physique et Chimie des Mat\u00e9riaux de Strasbourg, Universit\u00e9 de Strasbourg, UMR 7504, F-67000 Strasbourg, France"
        ], 
        "familyname": "Schull", 
        "givennames": "Guillaume", 
        "email": "schull@ipcms.unistra.fr"
      }, 
      {
        "affiliations": [
          "Institut de Physique et Chimie des Mat\u00e9riaux de Strasbourg, Universit\u00e9 de Strasbourg, UMR 7504, F-67000 Strasbourg, France"
        ], 
        "givennames": "Michael C.", 
        "familyname": "Chong"
      }, 
      {
        "affiliations": [
          "Institut de Physique et Chimie des Mat\u00e9riaux de Strasbourg, Universit\u00e9 de Strasbourg, UMR 7504, F-67000 Strasbourg, France"
        ], 
        "givennames": "Nasima", 
        "familyname": "Afshar-Imani"
      }, 
      {
        "affiliations": [
          "Institut de Physique et Chimie des Mat\u00e9riaux de Strasbourg, Universit\u00e9 de Strasbourg, UMR 7504, F-67000 Strasbourg, France"
        ], 
        "givennames": "Fabrice", 
        "familyname": "Scheurer"
      }, 
      {
        "affiliations": [
          "S3 Center, Istituto Nanoscienze, Consiglio Nazionale delle Ricerche, via Campi 213/A, 41125, Modena, Italy"
        ], 
        "givennames": "Claudia", 
        "familyname": "Cardoso"
      }, 
      {
        "affiliations": [
          "S3 Center, Istituto Nanoscienze, Consiglio Nazionale delle Ricerche, via Campi 213/A, 41125, Modena, Italy"
        ], 
        "givennames": "Andrea", 
        "familyname": "Ferretti"
      }
    ], 
    "license_addendum": "", 
    "mcid": "2020.0040/v1", 
    "_files": [
      {
        "size": 48547, 
        "key": "nanoletters.zip", 
        "checksum": "md5:32fe5c8cfb17ed682a37485a19536bb2", 
        "description": "The zip file includes:\r\n- input files for the DFT calculation referred on the paper and performed with Quantum Espresso.\r\n- output files of the BSE calculation performed with the Yambo code. The output files include, at the end, a transcription of the input file used in the calculation."
      }, 
      {
        "size": 504, 
        "key": "README.txt", 
        "checksum": "md5:68567a8af6442b981d98153ca12f18e5", 
        "description": "README file"
      }
    ], 
    "status": "published", 
    "edited_by": 98
  }, 
  "id": "369"
}