Thin Insulating Tunneling Contacts for Efficient and Water-Resistant Perovskite Solar Cells.
basic_science · Level V
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- Record sourced from PubMed, PMID 27184864.
- Also identified by DOI 10.1002/adma.201600969.
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Abstract
Tunneling contacts made of any insulating polymers, a champion technology in silicon solar cells, are shown to increase the stabilized efficiency of perovskite solar cells (PSCs) to 20.3%. The tunneling layers spatially separate photo-generated electrons and holes at the perovskite-cathode interface and reduce charge recombination. The tunneling layers made of hydrophobic polymers also significantly enhance the resistance of PSCs to water-caused damage.