Publication date: 15th December 2025
Two-dimensional perovskite nanoplatelets (NPLs) promise atomically precise emission control—but achieving that precision in the flask is anything but trivial. Their formation teeters on a fine balance between solvent polarity, precursor chemistry, and the split-second timing of an antisolvent drop. In this talk, I will show how data and diffraction together can turn this delicate art into a predictable science. Using in situ X-ray scattering and photoluminescence, we uncover how emissive nanocluster intermediates evolve into either rods or platelets depending solely on the antisolvent’s dipole moment and hydrogen-bonding strength—essentially, how chemistry “decides” the dimensionality.[1] Building on this mechanistic insight, our machine-learning platform Synthesizer transforms these parameters into predictive maps of color, linewidth, and quantum yield.[2] Within just a few syntheses, it delivers nm-level precision over emission and aspect ratio, all under ambient conditions. Together, these studies define a quantitative recipe for crafting bright, narrow, and stable 2D NPLs—and hint at a future where algorithms, not trial-and-error, steer nanocrystal growth.
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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.