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A simple, synthetic process for fabricating stable perovskite solar cells has overcome a preventative challenge to large-scale production, and, as a result, to product commercialization. A team from Los Alamos National Laboratory and National Taiwan University developed a one-step spin coating method using a liquid solvent called sulfolane that enabled it to produce high-yield, large-area photovoltaic devices that are efficient in solar power generation and possess a long operational lifetime.
The researchers used an additive in the perovskite precursor, the liquid material that creates perovskite crystals through chemical reaction.
A new dipping process (left) using a sulfolane additive creates high-performing perovskite solar…READ MORE