Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV19)
Publication date: 6th February 2020
In recent years lead halide perovskites have emerged as highly attractive materials for use in optoelectronic devices. Light-emitting diodes (LEDs) with low dimensional perovskite based semiconductors as the emissive layer with high colour purity, external quantum efficiency and current efficiency have recently been demonstrated[1,2]. In 2015 Protesescu et al. reported a facile sysnthesis of fully inorganic cesium based perovskite nanocrystals which displayed very narrow emission and extremely high photoluminescence quantum yields[3], these also have successfully been incorporated into efficient LEDs [4]. Although efficient LEDs based on metal halide perovskites using these two strategies have been demonstrated, little work has been done on improving the stability with devices lasting from seconds to several hours [1,2]. In this work we look into the influence of the chemical composition of the perovskite film on the operation stability of LEDs. Having assessed the influence of the composition a device optimised for stability is presented, providing insight into routes for more stable perovskite LEDs
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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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