9 papers · 1 filter
Predicting Organic Solar Cell Performance and Stability from Fast, Morphology-aware Current-Voltage Modeling
Yasin Ameslon, Larry Lüer, Jens Harting +2
Understanding the relationship between morphology and performance in organic solar cells is essential for developing devices that are both high performing and resilient to aging. T…
Interplay of Crystallization and Amorphous Spinodal Decomposition during Thermal Annealing of Organic Photoactive Layers
Maxime Siber, Olivier J. J. Ronsin, Gitti L. Frey +1
Tailoring the nanomorphology of organic photoactive layers through a specialized chain of processing steps is an imperative challenge on the path towards reliable and performant or…
Extending the Flory-Huggins Theory for Crystalline Multicomponent Mixtures
Maxime Siber, Olivier J. J. Ronsin, Jens Harting
The Flory-Huggins theory is a well-established lattice model that is commonly used to study the mixing of distinct chemical species. It can successfully predict phase separation ph…
Understanding the effect of drying time in process-structure-performance relationships for PM6-Y6 organic solar cells
Marc Steinberger, Maxime Siber, Hans-Joachim Egelhaaf +13
Making solution-cast organic solar cells industrially available generally comes at the cost of significant performance losses compared to device prototypes manufactured under labor…
Controlled nucleation in methylamine-treated perovskite films by artificial seeding and phase-field simulations
Emilia R. Schütz, Martin Majewski, Olivier J. J. Ronsin +2
Large perovskite crystals with reduced defect density enable superior charge transport and stability. Therefore, controlling their nucleation and growth is key to advancing high-pe…
Taxonomy of amorphous ternary phase diagrams: the importance of interaction parameters
Yasin Ameslon, Hao Liu, Jens Harting +2
Understanding phase diagrams is essential for material selection and design, as they provide a comprehensive representation of the thermodynamics of mixtures. This work delivers a…
Phase field simulations of thermal annealing for all-small molecule organic solar cells
Yasin Ameslon, Olivier J. J. Ronsin, Christina Harreiss +4
Interest in organic solar cells (OSCs) is constantly rising in the field of photovoltaic devices. The device performance relies on the bulk heterojunction (BHJ) nanomorphology, whi…
Simulation of perovskite thin layer crystallization with varying evaporation rates
M. Majewski, S. Qiu, O. Ronsin +6
Perovskite solar cells (PSC) are promising potential competitors to established photovoltaic technologies due to their superior efficiency and low-cost solution processability. How…
Crystalline Morphology Formation in Phase-Field Simulations of Binary Mixtures
Maxime Siber, Olivier J. J. Ronsin, Jens Harting
Understanding the morphology formation process of solution-cast photoactive layers (PALs) is crucial to derive design rules for optimized and reliable third generation solar cell f…