Phenolic antioxidant-incorporated durable perovskite layers and their application for a solar cell

The incorporation of small amounts of phenolic antioxidants, such as 2,6-di-tert-butyl-4-cresol and pentaerythritol tetrakis, into photovoltaic organo-lead halide perovskite layers significantly suppressed the degradation of the perovskite compounds via light irradiation in the presence of ambient oxygen

Koki Suwa; Takeo Suga; Kenichi Oyaizu; Hiroshi Segawa; Hiroyuki Nishide

2020

Scholarcy highlights

  • The incorporation of small amounts of phenolic antioxidants, such as 2,6-di-tert-butyl-4-cresol and pentaerythritol tetrakis, into photovoltaic organo-lead halide perovskite layers significantly suppressed the degradation of the perovskite compounds via light irradiation in the presence of ambient oxygen
  • While the facile incorporation of the antioxidants did not decrease both the quality of the formed perovskite crystal grains and the photovoltaic conversion performance of the cells, it enhanced the antioxidizing property and water repellency of the perovskite layer owing to the elimination of superoxide anion radical and hydrophobic molecular structure and improved the durability of the cells
  • K.S. acknowledges the Leading Graduate Program in Science and Engineering at Waseda University from MEXT, Japan

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