Recent advances of flexible perovskite solar cells

Li, Lingbo; Zhang, Shasha; Yang, Zhichun; Berthold, Engamba Esso Samy; Chen, Wei

doi:10.1016/j.jechem.2018.01.003

Cited by 82 publications

(50 citation statements)

References 165 publications

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“…Some additive like bis(trifluoromethanesulfonyl) imide (TFSI) and tert-butylpyridine (tBP) are employed to enhance conductivity and improve performance. [164] Nonetheless,p erovskite would corrode by tBP,a nd degradation by moisture sensitive TFSI. [165,166] Furthermore,t he moisture-sensitive PEDOT:PSS would lead to poor stability of flexible PSCs.…”

Section: Environmental Stability and Encapsulation For Flexible Pscsmentioning

confidence: 99%

“…[172] In view of the stability issue for industrialization, encapsulation technology becomes an imperative tool to isolate the sensitive cells from corrosive ambient. Forf lexible PSCs,t he effective encapsulation is of agreat challenge.The polymeric PEN and PET substrates not only exhibit high water vapor transmission rate (WVTR; about 18 gm À2 day À1 for PET at 37 8 8Ca nd 90 %r elative humidity), [164] but also display severe oxygen infiltration (0.462 cc(STP) cm m À2 day À1 for PET). [173] As ar esult, encapsulation is required for both the front and back sides for flexible PSCs.F or the front active area side,f lexible sealing film with low WVTR and small oxygen infiltration can be employed to cover the surface.The back side also needs to be encapsulated by flexible materials with high transmittance, low WVTR, and small oxygen infiltration.…”

Section: Environmental Stability and Encapsulation For Flexible Pscsmentioning

confidence: 99%

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Recent Advances in Flexible Perovskite Solar Cells: Fabrication and Applications

et al. 2019

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Flexible perovskite solar cells have attracted widespread research effort because of their potential in portable electronics. The efficiency has exceeded 18 % owing to the high‐quality perovskite film achieved by various low‐temperature fabrication methods and matching of the interface and electrode materials. This Review focuses on recent progress in flexible perovskite solar cells concerning low‐temperature fabrication methods to improve the properties of perovskite films, such as full coverage, uniform morphology, and good crystallinity; demonstrated interface layers used in flexible perovskite solar cells, considering key figures‐of‐merit such as high transmittance, high carrier mobility, suitable band gap, and easy fabrication via low‐temperature methods; flexible transparent electrode materials developed to enhance the mechanical stability of the devices; mechanical and long‐term environmental stability; an outlook of flexible perovskite solar cells in portable electronic devices; and perspectives of commercialization for flexible perovskite solar cells based on cost.

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Section: Environmental Stability and Encapsulation For Flexible Pscsmentioning

confidence: 99%

Section: Environmental Stability and Encapsulation For Flexible Pscsmentioning

confidence: 99%

Recent Advances in Flexible Perovskite Solar Cells: Fabrication and Applications

et al. 2019

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“…Mechanical flexibility of a material is a key property that opens up new possibilities for existing and new inventions alike. Flexible thin films are already firmly established in the form of flexible solar cells [27], flexible displays [28] and flexible medical or gas monitoring sensors [29][30][31]. Recently there have been a number of studies of magnetic flexible thin films and their properties [32,33], in which the flexibility was achieved by depositing magnetic thin films onto flexible substrates.…”

Section: Introductionmentioning

confidence: 99%

Evidence of substrate roughness surface induced magnetic anisotropy in Ni80Fe20 flexible thin films

Belusky

Lepadatu

Naylor

et al. 2019

Journal of Magnetism and Magnetic Materials

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Experimental and computational evidence of a surface roughness induced magnetic anisotropy in NiFe thin films coated onto substrates of various surface roughnesses is reported. Magnetic coercive fields of 15 nm NiFe thin films coated on substrates with approximately 7 nm average roughness were remarkably 233% larger than identical thin films coated onto smooth substrates with < 1 nm average roughness. The NiFe films coated onto rough substrates developed hard and easy axes, normally non-existent in NiFe Permalloy. A linear correlation of the incline angles of the hard axis hysteresis loops to the average roughness values of the individual substrates was observed, with 99% correlation level. Using a modified micromagnetics theory that incorporates the effects of surface roughness, it is shown the observed magnetic anisotropy arises due to the spatial anisotropy of the surface roughness, resulting in an effective in-plane uniaxial magnetic anisotropy with energy density up to 15 kJ/m 3 .

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“…Stabilitätu nd Leistung von flexiblen PSCs konnten mit diesen HTLs verbessert werden. 18 g m À2 Tag À1 fürP ET bei 37 8 8Cu nd 90 %r elativer Luftfeuchtigkeit), [164] sondern zeigen auch eine starke Sauerstoffinfiltration (0.462 cc(STP) cm m À2 Tag À1 fürP ET). MAPbI 3 zersetzt sich beispielsweise zu PbI 2 und MAI, wenn es der Umgebungsluft ausgesetzt wird.…”

Section: Ito-freiunclassified

“…Daher müssen alle Abscheidungen und Behandlungen bei niedrigerer Te mperatur durchgeführt werden, was zu einem geringeren ITO-Widerstand führt (mehr als 20 W/sq). [ [164] Allerdings wird Perowskit durch tBP korrodiert und durch feuchtigkeitsempfindliches TFSI abgebaut. [165,166] Ferner führt das feuchtigkeitsempfindliche PEDOT:PSS zu einer schlechten Stabilitätf lexibler PSCs.…”

Section: Mechanische Stabilitätf Lexibler Pscsunclassified

Flexible Perowskit‐Solarzellen: Herstellung und Anwendungen

Yang

Priya

et al. 2019

Angewandte Chemie

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Flexible Perowskit‐Solarzellen werden aufgrund ihres vielversprechenden Potentials in der tragbaren Elektronik intensiv erforscht. Verschiedene Niedertemperatur‐Herstellungsmethoden für Perowskitfilme und große Fortschritte bei der gezielten Abstimmung der Schnittstellen und Elektrodenmaterialien haben zu Effizienzen von über 18 % geführt. Dieser Aufsatz diskutiert die jüngsten Entwicklungen bei flexiblen Perowskit‐Solarzellen mit Schwerpunkt auf: 1) Niedertemperatur‐Herstellungsmethoden zur Verbesserung der Eigenschaften von Perowskitfilmen, wie vollständige Bedeckung, einheitliche Morphologie und gute Kristallinität; 2) Schnittstellen/Grenzflächen in flexiblen Perowskit‐Solarzellen, einschließlich Kennzahlen wie Transmissionsgrad, Ladungsträgerbeweglichkeit, Bandlückenabstand; 3) mechanische und Umgebungsstabilität flexibler Perowskit‐Solarzellen; 4) Ausblick auf flexible Perowskit‐Solarzellen in tragbaren Elektronikgeräten und deren Kosten; 5) Perspektiven zur Kommerzialisierung flexibler Perowskit‐Solarzellen.

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Recent advances of flexible perovskite solar cells

Cited by 82 publications

References 165 publications

Recent Advances in Flexible Perovskite Solar Cells: Fabrication and Applications

Recent Advances in Flexible Perovskite Solar Cells: Fabrication and Applications

Evidence of substrate roughness surface induced magnetic anisotropy in Ni80Fe20 flexible thin films

Flexible Perowskit‐Solarzellen: Herstellung und Anwendungen

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