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Numerical simulations: Toward the design of 18.6% efficient and stable perovskite solar cell using reduced cerium oxide based ETL

Vacuum, ISSN: 0042-207X, Vol: 159, Page: 173-181
2019
  • 47
    Citations
  • 0
    Usage
  • 54
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    47
    • Citation Indexes
      47
  • Captures
    54

Article Description

This work presents an extensive study of one of the potential alternatives in electron transport material (ETM) for perovskite solar cell (PSC). Reduced cerium oxide (CeO x ) as an electron transport layer (ETL) is studied for different composition of oxygen and analysis with [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) interface layer thickness if stacked in between CeO x ETL and perovskite layer has also been done. A detailed investigation has been carried out, incorporating the mobility of CeO x due to small polaron hopping mechanism at the different composition of x, the effect of variation in doping concentration for CeO x and PCBM have also been studied and the optimum efficiency 18.2% is obtained for PSC. Furthermore, to improve the shortcomings in terms of hysteresis and moisture stability, a device is proposed incorporating carbon nanotube (CNT) layer stacked between perovskite and hole transport layer (HTL) which shows 18.6% conversion efficiency.

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