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Sökning: onr:"swepub:oai:DiVA.org:uu-494404" > Overcome Low Intrin...

  • Yang, JiabaoNorthwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China. (författare)

Overcome Low Intrinsic Conductivity of NiOx Through Triazinyl Modification for Highly Efficient and Stable Inverted Perovskite Solar Cells

  • Artikel/kapitelEngelska2022

Förlag, utgivningsår, omfång ...

  • 2022-07-23
  • John Wiley & Sons,2022
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:uu-494404
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-494404URI
  • https://doi.org/10.1002/solr.202200422DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

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Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Nickel oxide (NiOx) is a promising hole transport material in inverted organic-inorganic metal halide perovskite solar cells. However, its low intrinsic conductivity hinders its further improvement in device performance. Here, we employ a trimercapto-s-triazine trisodium salt (TTTS) as a chelating agent of Ni2+ in the NiOx layer to improve its conductivity. Due to the electron-deficient triazine ring, the TTTS complexes with Ni2+ in NiOx via a strong Ni2+-N coordination bond and increases the ratio of Ni3+:Ni2+. The increased Ni3+ concentration adjusts the band structure of NiOx, thus enhancing hole density and mobility, eventually improving the intrinsic conductivity of NiOx. As a result, the device with TTTS modification displays a champion power conversion efficiency (PCE) of 22.81%. The encapsulated device based on a modified-NiOx layer maintains 94% of its initial power output at the maximum power point and continuous one-sun illumination for 1000 h at 45 degrees C. In addition, the unencapsulated target devices also maintain 92% at 60 +/- 5% relative humidity and 25 degrees C in the air for 5000 h; and 91% at 85 degrees C in a nitrogen atmosphere for 1000 h. The research provides an effective strategy to enhance PCE and stability of inverted PSCs via modifying NiOx films with triazine molecule.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Wang, TongNorthwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China. (författare)
  • Li, YaohuaTaiyuan Satellite Launch Ctr, Yinchuan Branch, Yinchuan 750000, Ningxia, Peoples R China. (författare)
  • Pu, XingyuNorthwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China. (författare)
  • Chen, HuiNorthwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China. (författare)
  • Li, YukeChinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong 999077, Peoples R China.;Chinese Univ Hong Kong, Ctr Sci Modeling & Computat, Shatin, Hong Kong 999077, Peoples R China. (författare)
  • Yang, BowenUppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Sch Basic Sci, Lab Photomol Sci, CH-1015 Lausanne, Switzerland(Swepub:uu)bowya118 (författare)
  • Zhang, YixinNorthwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China. (författare)
  • Zhao, JunsongNorthwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China. (författare)
  • Cao, QiNorthwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China. (författare)
  • Chen, XingyuanNorthwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China. (författare)
  • Ghasemi, ShahnazSharif Univ Technol, Sharif Energy Water & Environm Inst, Tehran 113659465, Iran. (författare)
  • Hagfeldt, AndersUppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Sch Basic Sci, Lab Photomol Sci, CH-1015 Lausanne, Switzerland(Swepub:uu)andehagf (författare)
  • Li, XuanhuaNorthwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China. (författare)
  • Northwestern Polytech Univ, Sch Mat Sci & Engn, Ctr Nano Energy Mat, State key Lab Solidificat Proc, Xian 710072, Peoples R China.Taiyuan Satellite Launch Ctr, Yinchuan Branch, Yinchuan 750000, Ningxia, Peoples R China. (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Solar RRL: John Wiley & Sons6:92367-198X

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