Journal article Open Access

Directional charge transport in layered, two‐dimensional triazine‐based graphitic carbon nitride

Noda, Yu; Merschjann, Christoph; Tarábek, Ján; Amsalem, Patrick; Koch, Norbert; Bojdys, Michael J.


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{
  "DOI": "10.1002/anie.201902314", 
  "language": "eng", 
  "title": "Directional charge transport in layered, two\u2010dimensional triazine\u2010based graphitic carbon nitride", 
  "issued": {
    "date-parts": [
      [
        2019, 
        5, 
        13
      ]
    ]
  }, 
  "abstract": "<p>Triazine\u2010based graphitic carbon nitride (TGCN) is the most recent addition to the family of graphene\u2010type, two\u2010dimensional and metal\u2010free materials. Although hailed as a promising low\u2010bandgap semiconductor for electronic applications, so far, only its structure and optical properties have been known. Here, we combine direction\u2010dependent electrical measurements and time\u2010resolved optical spectroscopy to determine macroscopic conductivity and microscopic charge carrier mobilities in this layered material &ldquo;beyond graphene&rdquo;. Electrical conductivity along the basal plane of TGCN is 65\u2010times lower than through the stacked layers; as opposed to graphite. Furthermore, we develop a model for this charge transport behavior based on observed carrier dynamics and random\u2010walk simulations. Our combined methods provide a path towards intrinsic charge transport in a direction\u2010dependent, layered semi\u2010conductor for applications in field\u2010effect transistors (FETs) and sensors.</p>", 
  "author": [
    {
      "family": "Noda, Yu"
    }, 
    {
      "family": "Merschjann, Christoph"
    }, 
    {
      "family": "Tar\u00e1bek, J\u00e1n"
    }, 
    {
      "family": "Amsalem, Patrick"
    }, 
    {
      "family": "Koch, Norbert"
    }, 
    {
      "family": "Bojdys, Michael J."
    }
  ], 
  "type": "article-journal", 
  "id": "2787253"
}
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