Dynamics of Photoinduced Degradation of Perovskite Photovoltaics: From Reversible to Irreversible Processes
| Autor: | Eugene A. Katz, Yulia Galagan, Vida Turkovic, Bhushan Patil, Morten Madsen, Sofiya Kolusheva, Iris Visoly-Fisher, K M Anoop, Francesco Di Giacomo, Golnaz Sherafatipour, Horst-Günter Rubahn, Mark V. Khenkin, Olivera Vukovic, Alexander V. Mazanik |
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| Přispěvatelé: | Molecular Materials and Nanosystems |
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
Limiting factor
Materials science Energy Engineering and Power Technology 02 engineering and technology 010402 general chemistry Photochemistry 01 natural sciences perovskite solar cells Photovoltaics recovery dynamics ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика [ЭБ БГУ] Materials Chemistry Electrochemistry Chemical Engineering (miscellaneous) Electrical and Electronic Engineering Operational stability Perovskite (structure) Industrial Innovation business.industry Perovskite solar cells Drop (liquid) light soaking Light soaking stability 021001 nanoscience & nanotechnology 0104 chemical sciences Chemistry Recovery dynamics Irreversible degradation Reversible degradation reversible and irreversible degradation Degradation (geology) 0210 nano-technology business Current density Cell aging Stability |
| Zdroj: | ACS Applied Energy Materials, 1(2), 799-806. American Chemical Society ACS Applied Energy Materials, 3 Khenkin, M V, Anoop, K M, Visoly-Fischer, I, Kolusheva, S, Galagan, Y, Di Giacomo, F, Vukovic, O, Patil, B R, Sherafatipour, G, Engmann, V, Rubahn, H-G, Madsen, M, Mazanik, A V & Katz, E 2018, ' Dynamics of photoinduced degradation of perovskite photovoltaics : from reversible to irreversible processes ', ACS Applied Energy Materials, vol. 1, no. 2, pp. 799-806 . https://doi.org/10.1021/acsaem.7b00256 |
| ISSN: | 2574-0962 |
| DOI: | 10.1021/acsaem.7b00256 |
| Popis: | The operational stability of perovskite solar cells (PSCs) remains a limiting factor in their commercial implementation. We studied the long-term outdoor stability of ITO/SnO2/Cs0.05((CH3NH3)0.15(CH(NH2)2)0.85)0.95PbI2.55Br0.45/spiro-OMeTAD/Au cells, as well as the dynamics of their degradation, under simulated sunlight indoors and their recovery in the dark. The extent of overall degradation was found to depend on processes occurring both under illumination and in the dark, i.e., during the daytime and nighttime, with the dynamics varying with cell aging. Full recovery of efficiency in the dark was observed for cells at early degradation stages. Further cell degradation resulted in recovery times much longer than one night, appearing as irreversible degradation under real operational conditions. At later degradation stages, very different dynamics were observed: short-circuit current density and fill factor exhibited a pronounced drop upon light turn-off but strong improvement under subsequent illumination. The interplay of reversible and irreversible degradation processes with different recovery dynamics was demonstrated to result in changes in the cell's diurnal PCE dependence during its operational lifespan under real sunlight conditions. |
| Databáze: | OpenAIRE |
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