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Multimodal host-gue...
Multimodal host-guest complexation for efficient and stable perovskite photovoltaics
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- Zhang, Hong (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Eickemeyer, Felix Thomas (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Zhou, Zhiwen (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Mladenovic, Marko (författare)
- Ecole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Jahanbakhshi, Farzaneh (författare)
- Ecole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Merten, Lena (författare)
- Univ Tubingen, Inst Angew Phys, Tubingen, Germany
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- Hinderhofer, Alexander (författare)
- Univ Tubingen, Inst Angew Phys, Tubingen, Germany
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- Hope, Michael A. (författare)
- Ecole Polytech Fed Lausanne, Lab Magnet Resonance, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Ouellette, Olivier (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Mishra, Aditya (författare)
- Ecole Polytech Fed Lausanne, Lab Magnet Resonance, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Ahlawat, Paramvir (författare)
- Ecole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Ren, Dan (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Su, Tzu-Sen (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Krishna, Anurag (författare)
- Ecole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Wang, Zaiwei (författare)
- Ecole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Dong, Zhaowen (författare)
- Ecole Polytech Fed Lausanne, Lab Supramol Chem, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Guo, Jinming (författare)
- Ecole Polytech Fed Lausanne, Lab Biol Geochem, Lausanne, Switzerland
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- Zakeeruddin, Shaik M. (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Schreiber, Frank (författare)
- Univ Tubingen, Inst Angew Phys, Tubingen, Germany
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- Hagfeldt, Anders (författare)
- Uppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Emsley, Lyndon (författare)
- Ecole Polytech Fed Lausanne, Lab Magnet Resonance, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Rothlisberger, Ursula (författare)
- Ecole Polytech Fed Lausanne, Lab Computat Chem & Biochem, Inst Chem Sci & Engn, Lausanne, Switzerland
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- Milic, Jovana, V (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland.;Univ Fribourg Switzerland, Adolphe Merkle Inst, Fribourg, Switzerland
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- Grätzel, Michael (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, Inst Chem Sci & Engn, Lausanne, Switzerland
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(creator_code:org_t)
- 2021-06-07
- 2021
- Engelska.
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Ingår i: Nature Communications. - : Springer Nature. - 2041-1723. ; 12:1
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://www.nature.c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
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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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- NATURVETENSKAP
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och Den kondenserade ...
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NATURVETENSKAP
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Nature Communica ...
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