1 Ocak 2023 Dergi makalesi Açık Erişim

Chalil Oglou, Ramadan; Ulusoy Ghobadi, Turkan Gamze; Hegner, Franziska Simone; Galan-Mascaros, Jose Ramon; Lopez, Nuria; Ozbay, Ekmel; Karadas, Ferdi

Citation Style Language JSON

{
  "DOI": "10.1002/anie.202308647", 
  "abstract": "<p>Electrocatalytic processes involving the oxygen evolution reaction (OER) present a kinetic bottleneck due to the existence of linear-scaling relationships, which bind the energies of the different intermediates in the mechanism limiting optimization. Here, we offer a way to break these scaling relationships and enhance the electrocatalytic activity of a Co-Fe Prussian blue modified electrode in OER by applying external stimuli. Improvements of &amp; AP;11 % and &amp; AP;57 % were achieved under magnetic field (0.2 T) and light irradiation (100 mW cm(-2)), respectively, when working at fixed overpotential, &amp; eta;=0.6 V at pH 7. The observed enhancements strongly tie in with the intermetallic charge transfer (IMCT) intensity between Fe and Co sites. Density Functional Theory simulations suggest that tuning the IMCT can lead to a change of the OER mechanism to an external stimuli-sensitive spin crossover-based pathway, which opens the way for switchable electrocatalytic devices.</p>", 
  "author": [
    {
      "family": "Chalil Oglou", 
      "given": " Ramadan"
    }, 
    {
      "family": "Ulusoy Ghobadi", 
      "given": " Turkan Gamze"
    }, 
    {
      "family": "Hegner", 
      "given": " Franziska Simone"
    }, 
    {
      "family": "Galan-Mascaros", 
      "given": " Jose Ramon"
    }, 
    {
      "family": "Lopez", 
      "given": " Nuria"
    }, 
    {
      "family": "Ozbay", 
      "given": " Ekmel"
    }, 
    {
      "family": "Karadas", 
      "given": " Ferdi"
    }
  ], 
  "container_title": "ANGEWANDTE CHEMIE-INTERNATIONAL EDITION", 
  "id": "271646", 
  "issue": "44", 
  "issued": {
    "date-parts": [
      [
        2023, 
        1, 
        1
      ]
    ]
  }, 
  "page": "8", 
  "title": "Manipulating Intermetallic Charge Transfer for Switchable External Stimulus-Enhanced Water Oxidation Electrocatalysis", 
  "type": "article-journal", 
  "volume": "62"
}