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Improvement of kesterite solar cell performance by solution synthesized MoO3 interfacial layer

Samaneh Ranjbar, Guy Brammertz, Bart Vermang, Afshin Hadipour, Shuren Cong, Katsuaki Suganuma, Thomas Schnabel, Marc Meuris, A. F. da Cunha, and Jef Poortmans


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{
  "DOI": "10.1002/pssa.201600534", 
  "abstract": "<p>In this study, an ultra-thin MoO<sub>3</sub>\u00a0layer synthesized by a solution-based technique is introduced as a promising interfacial layer to improve the performance of kesterite Cu<sub>2</sub>ZnSnSe<sub>4</sub>\u00a0(CZTSe) solar cell. Solar cells with 10\u2009nm of MoO<sub>3</sub>\u00a0between Mo rear contact and CZTSe had larger minority carrier life time and open-circuit voltage compared to the reference solar cells. Temperature dependent current density\u2013voltage measurement indicated that the activation energy (<em>E</em><sub>A</sub>) of the main recombination is higher (\u223c\u2009837 meV) in solar cells with MoO<sub>3</sub>\u00a0layer, as compared to conventional solar cells where\u00a0<em>E</em><sub>A</sub>\u2009\u223c\u2009770\u2009meV, indicating reduced interface recombination. A best efficiency of 7.1% was achieved for a SLG/Mo/MoO<sub>3</sub>/CZTSe/CdS/TCO solar cell compared to the reference solar cell SLG/Mo/CZTSe/CdS/TCO for which 5.9% efficiency was achieved.</p>", 
  "author": [
    {
      "family": "Samaneh Ranjbar, Guy Brammertz, Bart Vermang, Afshin Hadipour, Shuren Cong, Katsuaki Suganuma, Thomas Schnabel, Marc Meuris, A. F. da Cunha, and Jef Poortmans"
    }
  ], 
  "container_title": "physica status solidi (a)", 
  "id": "231104", 
  "issued": {
    "date-parts": [
      [
        2016, 
        9, 
        19
      ]
    ]
  }, 
  "note": "Pre-print", 
  "title": "Improvement of kesterite solar cell performance by solution synthesized MoO3 interfacial layer", 
  "type": "article-journal"
}

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