Proceedings of Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP27)
Publication date: 22nd October 2026
Surfaces govern the structural, electronic and chemical properties of colloidal semiconductor nanocrystals (NCs), forming a dynamic boundary between the confined electron and hole wavefunctions of the inorganic core and the surrounding medium. Lead halide perovskite (LHP) NCs are especially sensitive to this boundary: their low lattice formation energies and high ionicity cause labile ligand binding and easy structural and morphological transformations. In this poster, we survey strategies toward an ideal ligand shell for LHP NCs, including ligand-binding dynamics, cationic and zwitterionic ligands, emerging anionic capping, and techniques for characterizing the ligand shell. We also introduce charge-extracting ligands, which can enable efficient interfacial charge transfer in place of insulating long-chain capping layers. Beyond the binding group, ligand tails set colloidal stability, interparticle spacing and interactions with the surrounding matrix, which makes them a tunable design element in their own right. We find that no ligand is universally ideal: binding affinity, exchange kinetics, geometric fit and tail interactions must be matched to the intended application, whether classical or quantum light sources or photocatalysis.
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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.