Swiss Researchers Say Raised Perovskite Cells’ Stability at 24.9% Efficiency | Mercom India

A team of researchers from École polytechnique fédérale de Lausanne (EPFL), Switzerland, have developed a method that improves both power conversion efficiency and stability of solar cells based on pure iodide as well as mixed-halide perovskites.

The new approach resulted in power-conversion efficiencies of 24.9% and 21.2% for two perovskite compositions. The team claimed about 90% and 80% of the initial efficiencies were retained after 1,200 and 250 hours of continuous operation, respectively.

“By addressing the critical issue of stability, our results represent an important step towards large-scale practical applications of PSCs,” the researchers said.

The research was carried out by Michael Grätzel and Ursula Rothlisberger at EPFL and led by Essa A. Alharbi and Lukas Pfeifer.

Read more at: bit.ly/3i3qjHz


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