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New Technique Boosts Photovoltage for Perovskite Solar Cells

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GUILDFORD, England, July 2, 2018 — A technique for producing high-performance inverted perovskite solar cells, called solution-process secondary growth (SSG), was shown to increase the voltage of inverted perovskite solar cells by as much as 1.21 V. Inverted planar perovskite solar cells can simplify device structure and reduce costs, compared with conventional solar cells. However, lower open-circuit voltages in perovskite cells can result in lower power-conversion efficiencies (PCEs) than in conventional cells. The SSG technique reduces nonradiative charge-carrier recombination — a process whereby energy...Read full article

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