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The potential of non-toxic materials to replace lead in perovskite solar cells

Developing efficient solar cells without lead as a major component remains a "formidable scientific challenge," according to a review in the journal Science and Technology of Advanced Materials.  Solar cells made from perovskites, a collection of compounds with a particular crystal structure, have been developing rapidly as a cheaper alternative to silicon solar cells. However, perovskite-based solar cells (PSCs) are still far from industrial application as a clean renewable energy source. A major drawback is they usually contain lead as the primary material absorbing sunlight for conversion into electricity.  Read more...
 

 

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