| People | Locations | Statistics |
|---|---|---|
| Naji, M. |
| |
| Motta, Antonella |
| |
| Aletan, Dirar |
| |
| Mohamed, Tarek |
| |
| Ertürk, Emre |
| |
| Taccardi, Nicola |
| |
| Kononenko, Denys |
| |
| Petrov, R. H. | Madrid |
|
| Alshaaer, Mazen | Brussels |
|
| Bih, L. |
| |
| Casati, R. |
| |
| Muller, Hermance |
| |
| Kočí, Jan | Prague |
|
| Šuljagić, Marija |
| |
| Kalteremidou, Kalliopi-Artemi | Brussels |
|
| Azam, Siraj |
| |
| Ospanova, Alyiya |
| |
| Blanpain, Bart |
| |
| Ali, M. A. |
| |
| Popa, V. |
| |
| Rančić, M. |
| |
| Ollier, Nadège |
| |
| Azevedo, Nuno Monteiro |
| |
| Landes, Michael |
| |
| Rignanese, Gian-Marco |
|
Ackermann, Jörg
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2024Ternary Polymer Solar Cells: Impact of Non-Fullerene Acceptors on Optical and Morphological Propertiescitations
- 2023Star-shape non-fullerene acceptor featuring an aza-triangulene core for organic solar cellscitations
- 2023Star-shape non-fullerene acceptor featuring an aza-triangulene core for organic solar cellscitations
- 2023Towards efficient NFA-based selective near-infrared organic photodetectors: impact of thermal annealing of polymer blendscitations
- 2022Improved ultraviolet stability of fullerene-based organic solar cells through light-induced enlargement and crystallization of fullerene domainscitations
- 2022Synthesis and Electron Accepting Properties of Two Di(benz[f]indenone)-Fused Tetraazaanthracene Isomerscitations
- 2022High-Efficiency Digital Inkjet-Printed Non-Fullerene Polymer Blends Using Non-Halogenated Solventscitations
- 2020Robust transparent conducting electrode based on silver nanowire coating on polyelectrolytes multilayerscitations
- 2019A new antimony-based organic-inorganic hybrid material as electron extraction layer for efficient and stable polymer solar cellscitations
- 2019A new antimony-based organic-inorganic hybrid material as electron extraction layer for efficient and stable polymer solar cellscitations
- 2017P-type semiconductor surfactant modified zinc oxide nanorods for hybrid bulk heterojunction solar cellscitations
- 2017Toward High-Temperature Stability of PTB7-Based Bulk Heterojunction Solar Cells: Impact of Fullerene Size and Solvent Additivecitations
- 2017Toward High-Temperature Stability of PTB7-Based Bulk Heterojunction Solar Cells: Impact of Fullerene Size and Solvent Additivecitations
- 2016Effect of ZnO nanoparticles on the photochemical and electronic stability of P3HT used in polymer solar cellscitations
- 2016Effect of ZnO nanoparticles on the photochemical and electronic stability of P3HT used in polymer solar cellscitations
- 2016Insight about electrical properties of low-temperature solution-processed Al-doped ZnO nanoparticle based layers for TFT applicationscitations
- 2016Insight about electrical properties of low-temperature solution-processed Al-doped ZnO nanoparticle based layers for TFT applicationscitations
- 2016Ligand-Free Synthesis of Aluminum-Doped Zinc Oxide Nanocrystals and their Use as Optical Spacers in Color-Tuned Highly Efficient Organic Solar Cellscitations
- 2016Ligand-Free Synthesis of Aluminum-Doped Zinc Oxide Nanocrystals and their Use as Optical Spacers in Color-Tuned Highly Efficient Organic Solar Cellscitations
- 2016Ligand-free synthesis of aluminum-doped zinc oxide nanocrystals and their use as optical spacers in color-tuned highly efficient organic solar cellscitations
- 2013A star-shaped molecule as hole transporting material in solution-processed thin-film transistorscitations
- 2012A New Active Organic Component for Flexible Ammonia Gas Sensorscitations
Places of action
| Organizations | Location | People |
|---|
article
Improved ultraviolet stability of fullerene-based organic solar cells through light-induced enlargement and crystallization of fullerene domains
Abstract
Organic solar cells (OSCs) are a promising technology with the potential for low-cost manufacturing. However, to translate to economically viable applications, long-term stability is a fundamental requirement. Amongst intrinsic degradation pathways the sensitivity of OSC to ultraviolet (UV) light severely limits their photostability. Here, we focus on the impact of UV on the stability of solar cells based on well-known fullerene-based blends processed with 1,8-diidooctane (DIO) as additive. The post-annealed devices resulting in DIO-free blends are directly compared to as-cast devices containing residual DIO. After a pronounced initial burn-in, as-cast devices demonstrate a self-healing effect leading to stable solar cells under prolonged exposure to UV light. This initial burn-in can be considerably reduced in annealed devices with a suitable heating process, resulting in very stable solar cells under UV-containing light over a long time period. Under UV-free LED light, solar cells are stable, which implies a direct impact of UV on the performance evolution of devices. Advanced characterization techniques were used for in-depth morphological analyses under light exposure to distinguish the observed UV-related processes in the polymer blends. Our results point thus towards the presence of two processes occurring under UV-light within as-cast devices involving fullerenes, one causing a performance degradation and the other allowing a repair tending towards a performance stability. Due to an improved initial crystal order within annealed devices, the process related to the degradation is in the minority. The UV stability of devices can be attributed to the UV light-induced diffusion of fullerenes, leading jointly to the enlargement of the initial existing fullerene domains and to their crystallization under UV light. These results path the way for a better understanding of the stability of efficient normal OSCs under simulated sunlight.