| People | Locations | Statistics |
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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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Norrman, Kion
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (40/40 displayed)
- 2019Diluted Oxide Interfaces with Tunable Ground Statescitations
- 2018Oxygen Exchange and Transport in (La0.6Sr0.4)0.98FeO3-d – Ce0.9Gd0.1O1.95 Dual-Phase Compositescitations
- 2018High-temperature thermoelectric properties of Na- and W-Doped Ca3Co4O9 system citations
- 2018Oxygen Exchange and Transport in (La 0.6 Sr 0.4 ) 0.98 FeO 3-d – Ce 0.9 Gd 0.1 O 1.95 Dual-Phase Compositescitations
- 2017Mid-IR optical properties of silicon doped InPcitations
- 2017Dynamic and Impure Perovskite Structured Metal Oxide Surfacescitations
- 2016New Hypothesis for SOFC Ceramic Oxygen Electrode Mechanismscitations
- 2016In situ X-ray scattering of perovskite solar cell active layers roll-to-roll coated on flexible substratescitations
- 2016In situ X-ray scattering of perovskite solar cell active layers roll-to-roll coated on flexible substratescitations
- 2015Polarization Induced Changes in LSM Thin Film Electrode Composition Observed by In Operando Raman Spectroscopy and TOF-SIMS
- 2015Dynamic behavior of impurities and native components in model LSM microelectrodes on YSZcitations
- 2014TOF-SIMS characterization of impurity enrichment and redistribution in solid oxide electrolysis cells during operationcitations
- 2014TOF-SIMS investigation of degradation pathways occurring in a variety of organic photovoltaic devices – the ISOS-3 inter-laboratory collaborationcitations
- 2013Oxygen Electrode Kinetics and Surface Composition of Dense (La0.75Sr0.25)0.95MnO3 on YSZcitations
- 2013All polymer photovoltaics: From small inverted devices to large roll-to-roll coated and printed solar cellscitations
- 2013All polymer photovoltaics: From small inverted devices to large roll-to-roll coated and printed solar cellscitations
- 2013Oxygen Electrode Kinetics and Surface Composition of Dense (La 0.75 Sr 0.25 ) 0.95 MnO 3 on YSZcitations
- 2012TOF-SIMS investigation of degradation pathways occurring in a variety of organic photovoltaic devices - the ISOS-3 inter-laboratory collaborationcitations
- 2012TOF-SIMS investigation of degradation pathways occurring in a variety of organic photovoltaic devices - the ISOS-3 inter-laboratory collaborationcitations
- 2012Stability of Polymer Solar Cellscitations
- 2012Comprehensive Investigation of Silver Nanoparticle/Aluminum Electrodes for Copper Indium Sulfide/Polymer Hybrid Solar Cellscitations
- 2012TOF-SIMS investigation of degradation pathways occurring in a variety of organic photovoltaic devices–the ISOS-3 inter-laboratory collaborationcitations
- 2012Rapid flash annealing of thermally reactive copolymers in a roll-to-roll process for polymer solar cellscitations
- 2012TOF-SIMS investigation of degradation pathways occurring in a variety of organic photovoltaic devices – the ISOS-3 inter-laboratory collaborationcitations
- 2012TOF-SIMS investigation of degradation pathways occurring in a variety of organic photovoltaic devices – the ISOS-3 inter-laboratory collaborationcitations
- 2012Simultaneous multilayer formation of the polymer solar cell stack using roll-to-roll double slot-die coating from watercitations
- 2012Simultaneous multilayer formation of the polymer solar cell stack using roll-to-roll double slot-die coating from watercitations
- 2011Aqueous Processing of Low-Band-Gap Polymer Solar Cells Using Roll-to-Roll Methodscitations
- 2011Aqueous Processing of Low-Band-Gap Polymer Solar Cells Using Roll-to-Roll Methodscitations
- 2011Oxygen- and water-induced degradation of an inverted polymer solar cell: the barrier effectcitations
- 2011Water and oxygen induced degradation of small molecule organic solar cellscitations
- 2010Using Light-Induced Thermocleavage in a Roll-to-Roll Process for Polymer Solar Cellscitations
- 2010Degradation Patterns in Water and Oxygen of an Inverted Polymer Solar Cellcitations
- 2010Degradation Patterns in Water and Oxygen of an Inverted Polymer Solar Cellcitations
- 2010Stability and Degradation of Polymer Solar cells
- 2009Water-Induced Degradation of Polymer Solar Cells Studied by (H2O)-O-18 Labelingcitations
- 2008Effects of trace elements at the Ni/ScYSZ interface in a model solid oxide fuel cell anodecitations
- 2007Analysis of the failure mechanism for a stable organic photovoltaic during 10 000 h of testingcitations
- 2006Lifetimes of organic photovoltaics: Design and synthesis of single oligomer molecules in order to study chemical degradation mechanismscitations
- 2006Oxygen release and exchange in niobium oxide MEHPPV hybrid solar cellscitations
Places of action
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article
Water and oxygen induced degradation of small molecule organic solar cells
Abstract
Small molecule organic solar cells were studied with respect to water and oxygen induced degradation by mapping the spatial distribution of reaction products in order to elucidate the degradation patterns and failure mechanisms. The active layers consist of a 30 nm bulk heterojunction formed by the donor material zinc-phthalocyanine (ZnPc) and the acceptor material Buckminsterfullerene (C60) followed by 30 nm C60 for additional absorption. The active layers are sandwiched between 6 nm 4,7-diphenyl-1,10-phenanthroline (Bphen) and 30 nm N,N′-diphenyl-N,N′-bis(3-methylphenyl)-[1,1′-biphenyl]-4,4′-diamine p-doped with C60F36 (MeO-TPD:C60F36), which acted as hole transporting layer. Indium-tin-oxide (ITO) and aluminum served as hole and electron collecting electrode, respectively. Time-of-flight secondary ion mass spectrometry (TOF-SIMS) and X-ray photoelectron spectroscopy (XPS) in conjunction with isotopic labeling using H218O and 18O2 provided information on where and to what extent the atmosphere had reacted with the device. A comparison was made between the use of a humid (oxygen free) atmosphere, a dry oxygen atmosphere, and a dry (oxygen free) nitrogen atmosphere during testing of devices that were kept in the dark and devices that were subjected to illumination under simulated sunlight. It was found that water significantly causes the device to degrade. The two most significant degradation mechanisms are diffusion of water through the aluminum electrode resulting in massive formation of aluminum oxide at the BPhen/Al interface, and diffusion of water into the ZnPc:C60 layer where ZnPc becomes oxidized. Finally, diffusion from the electrodes was found to have no or a negligible effect on the device lifetime.