Zr‐Doped Indium Oxide (IZRO) Transparent Electrodes for Perovskite‐Based Tandem Solar Cells

  title={Zr‐Doped Indium Oxide (IZRO) Transparent Electrodes for Perovskite‐Based Tandem Solar Cells},
  author={Erkan Aydin and Michele De Bastiani and Xinbo Yang and Muhammad Tariq Sajjad and Faisal Aljamaan and Yury Smirnov and Mohamed Nejib Hedhili and Wenzhu Liu and Thomas Wesley Allen and Lujia Xu and Emmanuel van Kerschaver and Monica Morales‐Masis and Udo Schwingenschl{\"o}gl and Stefaan De Wolf},
  journal={Advanced Functional Materials},
Parasitic absorption in transparent electrodes is one of the main roadblocks to enabling power conversion efficiencies (PCEs) for perovskite‐based tandem solar cells beyond 30%. To reduce such losses and maximize light coupling, the broadband transparency of such electrodes should be improved, especially at the front of the device. Here, the excellent properties of Zr‐doped indium oxide (IZRO) transparent electrodes for such applications, with improved near‐infrared (NIR) response, compared to… 
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Nickel oxide (NiOx) is a promising hole transport layer (HTL) for perovskite solar cells (PSCs), as it combines good chemical stability, high broadband optical transparency, and a high work function.
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