Ecole Polytechnique Federale de Lausanne
Improving the operational stability of perovskite solar cells
Hybrid perovskites are materials made from metal halide frameworks intermixed with natural cations.
Dec 28, 2022 // Technology, Ecole Polytechnique Federale de Lausanne, perovskite solar cells
Dye-sensitized solar cells attain a new power conversion performance record
Mesoscopic dye-sensitized solar cells (DSCs) were designed in 1990s by Brian O'Regan and Michael Grätzel, taking on the latter's name-- the world-famous Grätzel cells. DSCs convert light into electrical power via photosensitizers-- dye compounds that absorb light and inject electrons into an array of oxide nanocrystals which ultimately are collected as electrical current.
Oct 27, 2022 // Technology, solar cells, Ecole Polytechnique Federale de Lausanne, efficiency
An option to perovskite solar cell scalability troubles
Perovskites are hybrid products made from steel halides as well as organic compounds.
Apr 22, 2022 // Technology, solar cell, perovskite, Ecole Polytechnique Federale de Lausanne, efficiency
3D chemistry increases perovskite efficiency to 23.9%.
A global cooperation led by EPFL chemical designers has actually gotten rid of a trouble in the manufacturing of perovskites that decreases their performance as solar panels. The strategy produced perovskite solar panels with an effectiveness of 23.9 percent and functional security longer than 1000 hours.
Nov 12, 2021 // Technology, Europe, perovskite, Switzerland, Ecole Polytechnique Federale de Lausanne, efficiency
Removing the lead risk from perovskite solar cells
Although they provide a very encouraging service for recording solar energy, perovskite solar cells consist of lead, which is toxic to the atmosphere as well as a major health hazard. EPFL scientists have actually currently discovered a really sophisticated and also efficient service to this, by including a clear phosphate salt that does not interfere with light-conversion efficiency while protecting against lead from permeating into the dirt in cases of photovoltaic panel failing.
Jul 16, 2021 // Technology, solar cells, perovskite, Ecole Polytechnique Federale de Lausanne, László Forró, Endre Horváth, Márton Kollár
Perovskite solar cells surpass 25% power-conversion effectiveness
Perovskites are hybrid compounds that can be made from metal halides as well as natural components. Their appealing structural and electronic homes have placed them at the center of materials' research, with massive possibility for transforming a wide range of applications, consisting of in solar cells, LED lights, lasers, as well as photodetectors.
Apr 21, 2021 // Technology, solar cells, perovskite, Ecole Polytechnique Federale de Lausanne, efficiency, Michael Grätzel
A close look at nature could lead to cheaper hydrogen
Scientists at the Australia National University have observed a key stage in the process of photosynthesis which could be copied to greatly increase the efficiency of sunlight-powered water splitting processes used to produce hydrogen.
Aug 12, 2019 // Technology, Solar to Fuel, USA, Germany, Australia, Europe, hydrogen, Switzerland, Oceania, Australia National University, sunlight-powered water, Max Planck Institute, Ecole Polytechnique Federale de Lausanne, Proceedings of the National Academy of Sciences, Maria Chrysina, North America, Solar to Fuel, Solar to Hydrogen, Producing Hydrogen, Hydrogen from renewable, Renewable fuels
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