Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV22)
DOI: https://doi.org/10.29363/nanoge.hopv.2022.049
Publication date: 20th April 2022
The presentation will give an insight into new results on the interplay between structural, interfacial and optoelectronic properties in 2D multilayered halide perovskites, either in Ruddlesden Popper (RP) or Dion Jacobson (DJ) structure. We will see that the funneling of electronic carriers to the 2D crystal edges, important for ionization of electron-hole pairs in 2D RP phases, is also at work in bromide perovskites. Continuous and ultrafast photodoping will be further discussed, demonstrating their strong impact on the structural and carrier transport properties of DJ perovskites. It will also be illustrated how chemical engineering allows tuning the optoelectronic properties of 2D perovskites. Finally, we will introduce a DFT-based semi-empirical methodology to simulate band alignments, interface or surface dipoles and dielectric mismatches in 2D multilayered perovskites.
At ISCR, FOTON and MOLTECH-Anjou the work was mainly supported by the Agence Nationale pour la Recherche (MORELESS project).
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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.
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