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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Goovaerts, E.
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Publications (5/5 displayed)
- 2021Sensing the framework state and guest molecules in MIL-53(Al) via the electron paramagnetic resonance spectrum of V-IV dopant ionscitations
- 2021Relaxation mechanisms in ultra-low damping Fe80Co20 thin filmscitations
- 2008Effect of temperature on the morphological and photovoltaic stability of bulk heterojunction polymer: fullerene solar cells
- 2006Single-ion and Molecular Contributions to the Zero-field Splitting in an Iron-(III)-oxo Dimer Studied by Single Crystal W-band EPRcitations
- 2001Spectroscopy on polymer-fullerene composites and photovoltaic cellscitations
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book
Effect of temperature on the morphological and photovoltaic stability of bulk heterojunction polymer: fullerene solar cells
Abstract
In high performance polymer: fullerene bulk heterojunction solar cells the nanoscale morphology of interpenetrating acceptor:donor materials is optimized through appropriate preparation conditions such as annealing and choice of solvent, but this initial state-of-the-art morphology will not remain stable during long-term operation. We report the effects of prolonged storage at elevated temperatures on both the morphology and the photovoltaic performance for the model systems MDMO-PPV:PCBM and P3HT:PCBM as compared to 'High T-g PPV':PCBM based solar cells, where the 'High Tg PPV' is characterized by its high glass transition temperature (138 degrees Q. In situ monitoring of the photocurrent-voltage characteristics at elevated temperatures, in combination with a systematic transmission electron microscopy (TEM) study and complementary optical spectroscopy, reveals distinct degradation kinetics and morphological changes that indicate the occurrence of different underlying physico-chemical mechanisms. (c) 2008 Elsevier B.V. All rights reserved.