Publication date: 8th July 2026
The presentation will the concept of lattice-matching well-known for the epitaxy of bulk semiconductors and how it was adapted to halide perovskites adding in the mechanical free energy expansion a linear-quadratic coupling between strain and octahedra rotations (Kepenekian, Nano letters 2018). The usefulness of this approach will be demonstrated through a few experimental examples related to the lattice parameter variations in 2D multilayered perovskites, the 2D/3D matched or mismatched thick bilayer heterostructures, the nano-inclusions of 2D perovskites in 3D matrices or buried quantum dots of 3D perovskites in a 3D matrix. The presentation will review additional theoretical results considering the influence of polymorphism on the electronic structure, the electron-phonon coupling or the surface in halide perovskites. The presentation will show of tuning transferable atomistic parameters in DFTB codes, based on an approximation to density functional theory, provide a pathway to atomistic calculations of the optoelectronic properties of halide perovskites including low dimensional structures and heterostructures.
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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.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.