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Multimodal host-gue...
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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 ...
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2021-06-07
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Springer Nature,2021
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LIBRIS-ID:oai:DiVA.org:uu-451780
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-451780URI
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https://doi.org/10.1038/s41467-021-23566-2DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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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.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Eickemeyer, Felix ThomasEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Zhou, ZhiwenEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Mladenovic, MarkoEcole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Jahanbakhshi, FarzanehEcole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Merten, LenaUniv Tubingen, Inst Angew Phys, Tubingen, Germany
(författare)
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Hinderhofer, AlexanderUniv Tubingen, Inst Angew Phys, Tubingen, Germany
(författare)
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Hope, Michael A.Ecole Polytech Fed Lausanne, Lab Magnet Resonance, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Ouellette, OlivierEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Mishra, AdityaEcole Polytech Fed Lausanne, Lab Magnet Resonance, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Ahlawat, ParamvirEcole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Ren, DanEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Su, Tzu-SenEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Krishna, AnuragEcole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Wang, ZaiweiEcole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Dong, ZhaowenEcole Polytech Fed Lausanne, Lab Supramol Chem, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Guo, JinmingEcole Polytech Fed Lausanne, Lab Biol Geochem, Lausanne, Switzerland
(författare)
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Zakeeruddin, Shaik M.Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Schreiber, FrankUniv Tubingen, Inst Angew Phys, Tubingen, Germany
(författare)
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Hagfeldt, AndersUppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, Lausanne, Switzerland(Swepub:uu)andehagf
(författare)
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Emsley, LyndonEcole Polytech Fed Lausanne, Lab Magnet Resonance, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Rothlisberger, UrsulaEcole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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Milic, Jovana, VEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland.;Univ Fribourg Switzerland, Adolphe Merkle Inst, Fribourg, Switzerland
(författare)
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Grätzel, MichaelEcole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
(författare)
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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
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Ingår i:Nature Communications: Springer Nature12:12041-1723
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Zhang, Hong
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Eickemeyer, Feli ...
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Zhou, Zhiwen
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Mladenovic, Mark ...
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Jahanbakhshi, Fa ...
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Merten, Lena
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visa fler...
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Hinderhofer, Ale ...
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Hope, Michael A.
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Ouellette, Olivi ...
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Mishra, Aditya
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Ahlawat, Paramvi ...
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Ren, Dan
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Su, Tzu-Sen
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Krishna, Anurag
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Wang, Zaiwei
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Dong, Zhaowen
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Guo, Jinming
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Zakeeruddin, Sha ...
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Schreiber, Frank
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Hagfeldt, Anders
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Emsley, Lyndon
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Rothlisberger, U ...
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Milic, Jovana, V
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Grätzel, Michael
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visa färre...
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