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Updated: Mar 21, 2026

Flash Infrared Annealing for Perovskite Solar Cell Processing
Published on: February 3, 2021
Thin Insulating Tunneling Contacts for Efficient and Water-Resistant Perovskite Solar Cells
Qi Wang1, Qingfeng Dong1, Tao Li2
1Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA.
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.
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