Researchers have made a popular type of dye-sensitized solar cell (aromatic-fused porphyrin) more efficient by adjusting and updating their structure. The team report a series of adaptations with a power conversion efficiency of 10.7%, the highest yet for this kind of dye-sensitized solar cell, the most efficient solar technology available at present.
Current dye-sensitized solar cells are made up of a porous layer of titanium dioxide covered with a molecular dye. As sunlight is taken in, electrons are excited as they pass through, and are collected for power, before being ‘recycled’, reintroduced into the electrolyte and back to the dye molecule...
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