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Tandem Solar Cell Demonstrates 29.15% Efficiency

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KAUNAS, Lithuania, Feb. 13, 2020 — Scientists at Kaunas University of Technology (KTU) have achieved 29.15% efficiency in a solar cell made of perovskite and silicon. This value was certified by the CalLab of the Fraunhofer Institute for Solar Energy Systems. It represents a new world record for a tandem solar element, the KTU researchers said. To produce the record-breaking cell, the scientists developed a material that self-assembles to form a molecular-thick electrode layer. The self-assembled monolayers (SAMs), which are as thin as 1-2 nm, cover the surface of the solar element. The molecules are based on carbazole...Read full article

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