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Sökning: id:"swepub:oai:DiVA.org:uu-451780" > Multimodal host-gue...

  • Zhang, HongEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)

Multimodal host-guest complexation for efficient and stable perovskite photovoltaics

  • Artikel/kapitelEngelska2021

Förlag, utgivningsår, omfång ...

  • 2021-06-07
  • Springer Nature,2021
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:uu-451780
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-451780URI
  • https://doi.org/10.1038/s41467-021-23566-2DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

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

Anmärkningar

  • Formamidinium lead iodide perovskites are promising light-harvesting materials, yet stabilizing them under operating conditions without compromising optimal optoelectronic properties remains challenging. We report a multimodal host-guest complexation strategy to overcome this challenge using a crown ether, dibenzo-21-crown-7, which acts as a vehicle that assembles at the interface and delivers Cs+ ions into the interior while modulating the material. This provides a local gradient of doping at the nanoscale that assists in photoinduced charge separation while passivating surface and bulk defects, stabilizing the perovskite phase through a synergistic effect of the host, guest, and host-guest complex. The resulting solar cells show power conversion efficiencies exceeding 24% and enhanced operational stability, maintaining over 95% of their performance without encapsulation for 500h under continuous operation. Moreover, the host contributes to binding lead ions, reducing their environmental impact. This supramolecular strategy illustrates the broad implications of host-guest chemistry in photovoltaics. It remains a challenge to achieve a balance between performance and stability, as well as addressing the environmental impact of perovskite solar cells. Here, the authors propose a multimodal host-guest complexation strategy enabling these shortcomings to be addressed simultaneously.

Ämnesord och genrebeteckningar

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

  • Eickemeyer, Felix ThomasEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Zhou, ZhiwenEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Mladenovic, MarkoEcole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Jahanbakhshi, FarzanehEcole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Merten, LenaUniv Tubingen, Inst Angew Phys, Tubingen, Germany (författare)
  • Hinderhofer, AlexanderUniv Tubingen, Inst Angew Phys, Tubingen, Germany (författare)
  • Hope, Michael A.Ecole Polytech Fed Lausanne, Lab Magnet Resonance, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Ouellette, OlivierEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Mishra, AdityaEcole Polytech Fed Lausanne, Lab Magnet Resonance, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Ahlawat, ParamvirEcole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Ren, DanEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Su, Tzu-SenEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Krishna, AnuragEcole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Wang, ZaiweiEcole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Dong, ZhaowenEcole Polytech Fed Lausanne, Lab Supramol Chem, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Guo, JinmingEcole Polytech Fed Lausanne, Lab Biol Geochem, Lausanne, Switzerland (författare)
  • Zakeeruddin, Shaik M.Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Schreiber, FrankUniv Tubingen, Inst Angew Phys, Tubingen, Germany (författare)
  • Hagfeldt, AndersUppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, Lausanne, Switzerland(Swepub:uu)andehagf (författare)
  • Emsley, LyndonEcole Polytech Fed Lausanne, Lab Magnet Resonance, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Rothlisberger, UrsulaEcole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Milic, Jovana, VEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland.;Univ Fribourg Switzerland, Adolphe Merkle Inst, Fribourg, Switzerland (författare)
  • Grätzel, MichaelEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland (författare)
  • Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, SwitzerlandEcole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Nature Communications: Springer Nature12:12041-1723

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