Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV24)
DOI: https://doi.org/10.29363/nanoge.hopv.2024.039
Publication date: 6th February 2024
Understanding how process conditions influence nanostructure formation in solution-processed photoactive layers is crucial in order to improve the power conversion efficiency of organic solar cells. To this end, a simulation framework was developed to visualize bulk heterojunction morphology formation driven by crystallization, liquid-liquid demixing, and evaporation. Both the thermodynamic and the kinetic mechanisms related to these distinct processes can interact in complex ways, which result in a wide variety of possible structures.
In this talk, an overview of morphology formation pathways simulated for binary systems that can be subject to spontaneous phase separation and crystallization, such as donor-acceptor films, or solvent-solute blends, is presented. A comprehensive description of the interplay of physical phenomena which shape the structural evolution is provided. Particular morphological features encountered in different crystallization regimes (e.g. diffusion-limited, two-step, or demixing-assisted crystallization) are discussed as well. Finally, comparisons between predictions from simulations and experimental characterizations of organic photoactive mixtures are also undertaken.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
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