Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV22)
Publication date: 20th April 2022
The unprecedented evolution of metal halide perovskite photovoltaics has been a key motivation to explore the outstanding optoelectronic properties of this family of materials. The research drive has focused mainly on compositional modifications and device structure improvements, but important factors such as the material stability are still important drawbacks for the technology. The use of monocrystalline material based on perovskite single crystals have been proposed to increase both efficiency and stability due to due the inherently low trap density defect of these materials that could represent an important leap in technology. However, the superior properties of monocrystalline perovskites are not directly translated into better device properties due to difficulties controlling the form factor and the surface defect densities. In this study we report a method to increase up to ten times the photoluminescence (PL) in methylammonium lead bromide (MAPbBr3) single crystals through suppression of non-radiative recombination. The contactless-passivation approach reported here could represent an alternate method for boosting the efficiency and stability of lead halide perovskites.
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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.
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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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