Efficient and stable solution-processed planar perovskite solar cells via contact passivation
Hairen Tan(University of Toronto), Ankit Jain(University of Toronto), Oleksandr Voznyy(University of Toronto), Xinzheng Lan(University of Toronto), F. Pelayo Garcı́a de Arquer(University of Toronto), James Z. Fan(University of Toronto), Rafael Quintero‐Bermudez(University of Toronto), Mingjian Yuan(University of Toronto), Bo Zhang(University of Toronto), Yicheng Zhao(University of Toronto), Fengjia Fan(University of Toronto), Peicheng Li(University of Toronto), Li Na Quan(University of Toronto), Yongbiao Zhao(University of Toronto), Zheng‐Hong Lu(University of Toronto), Zhenyu Yang(University of Toronto), Sjoerd Hoogland(University of Toronto), Edward H. Sargent(University of Toronto)
Cited by 2,319Open Access
Abstract
colloidal nanocrystal film that mitigates interfacial recombination and improves interface binding in low-temperature planar solar cells. We fabricated solar cells with certified efficiencies of 20.1 and 19.5% for active areas of 0.049 and 1.1 square centimeters, respectively, achieved via low-temperature solution processing. Solar cells with efficiency greater than 20% retained 90% (97% after dark recovery) of their initial performance after 500 hours of continuous room-temperature operation at their maximum power point under 1-sun illumination (where 1 sun is defined as the standard illumination at AM1.5, or 1 kilowatt/square meter).
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