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Nanoscale interfaci...
Nanoscale interfacial engineering enables highly stable and efficient perovskite photovoltaics
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- Krishna, Anurag (författare)
- Ecole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland.
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- Zhang, Hong (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
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- Zhou, Zhiwen (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
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- Gallet, Thibaut (författare)
- Univ Luxembourg, Dept Phys & Mat Sci, Scanning Probe Microscopy Lab, Luxembourg, Luxembourg.
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- Dankl, Mathias (författare)
- Ecole Polytech Fed Lausanne, Lab Computat Chem & Biochem, CH-1015 Lausanne, Switzerland.
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- Ouellette, Olivier (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
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- Eickemeyer, Felix T. (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
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- Fu, Fan (författare)
- Empa Swiss Fed Labs Mat Sci & Technol, Lab Thin Films & Photovolta, Uberlandstr 129, CH-8600 Dubendorf, Switzerland.
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- Sanchez, Sandy (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
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- Mensi, Mounir (författare)
- Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, CH-1951 Sion, Switzerland.
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- Zakeeruddin, Shaik M. (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
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- Rothlisberger, Ursula (författare)
- Ecole Polytech Fed Lausanne, Lab Computat Chem & Biochem, CH-1015 Lausanne, Switzerland.
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- Reddy, G. N. Manjunatha (författare)
- Univ Lille, Univ Artois, Cent Lille Inst, UMR 8181,UCCS Unite Catalyse & Chim Solide,CNRS, F-59000 Lille, France.
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- Redinger, Alex (författare)
- Univ Luxembourg, Dept Phys & Mat Sci, Scanning Probe Microscopy Lab, Luxembourg, Luxembourg.
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- Gratzel, Michael (författare)
- Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland.
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- Hagfeldt, Anders (författare)
- Uppsala universitet,Fysikalisk kemi,Ecole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland.;Uppsala Univ, Dept Chem, Angstrom Lab, S-75120 Uppsala, Sweden.
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Ecole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland Ecole Polytech Fed Lausanne, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland. (creator_code:org_t)
- 2021
- 2021
- Engelska.
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Ingår i: Energy & Environmental Science. - : Royal Society of Chemistry. - 1754-5692 .- 1754-5706. ; 14:10, s. 5552-5562
- Relaterad länk:
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https://doi.org/10.1...
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https://pubs.rsc.org...
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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
- We present a facile molecular-level interface engineering strategy to augment the long-term operational and thermal stability of perovskite solar cells (PSCs) by tailoring the interface between the perovskite and hole transporting layer (HTL) with a multifunctional ligand 2,5-thiophenedicarboxylic acid. The solar cells exhibited high operational stability (maximum powering point tracking at one sun illumination) with a stabilized T-S80 (the time over which the device efficiency reduces to 80% after initial burn-in) of approximate to 5950 h at 40 degrees C and a stabilized power conversion efficiency (PCE) over 23%. The origin of high device stability and performance is correlated to the nano/sub-nanoscale molecular level interactions between ligand and perovskite layer, which is further corroborated by comprehensive multiscale characterization. These results provide insights into the modulation of the grain boundaries, local density of states, surface bandgap, and interfacial recombination. Chemical analysis of aged devices showed that molecular passivation suppresses interfacial ion diffusion and inhibits the photoinduced I-2 release that irreversibly degrades the perovskite. The interfacial engineering strategies enabled by multifunctional ligands can expedite the path towards stable PSCs.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
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Krishna, Anurag
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Zhang, Hong
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Zhou, Zhiwen
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Gallet, Thibaut
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Dankl, Mathias
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Ouellette, Olivi ...
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visa fler...
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Eickemeyer, Feli ...
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Fu, Fan
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Sanchez, Sandy
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Mensi, Mounir
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Zakeeruddin, Sha ...
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Rothlisberger, U ...
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Reddy, G. N. Man ...
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Redinger, Alex
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Gratzel, Michael
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Hagfeldt, Anders
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- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Materialkemi
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Fysikalisk kemi
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Energy & Environ ...
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Uppsala universitet