In a bid to upgrade the technology to a commercial level, the lab of Mohammad Khaja Nazeeruddin at Swiss research center Ecole Polytechnique Fédérale de Lausanne (EPFL), in collaboration with Michael Grätzel and Solaronix, engineered a 2D/3D hybrid perovskite solar cell, combining the enhanced stability of 2D perovskites with 3D forms.
These 10×10 cm2 solar panels, built using a fully printable industrial-scale process, showed no loss in performance, delivering a constant 11.2% efficiency under standard conditions for over 10,000 hours.
Although some perovskite solar cells have achieved over 22% power-conversion efficiency, there remain concerns about their operational stability, preventing the technology’s widespread adoption.
The EPFL team has made a number of breakthroughs on perovskite PV technology and investigations, such as the one on the effect of light in perovskite cell formation earlier this year.
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