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Flexible and efficient perovskite quantum dot solar cells via hybrid interfacial architecture

Engineering and Technology

Flexible and efficient perovskite quantum dot solar cells via hybrid interfacial architecture

L. Hu, Q. Zhao, et al.

Discover how the innovative hybrid interfacial architecture using CsPbI3 perovskite quantum dots and PCBM heterojunctions has achieved remarkable solar cell efficiencies. This groundbreaking research showcases the potential for flexible quantum dot photovoltaics, led by esteemed authors including Long Hu, Qian Zhao, and Anita W. Y. Ho-Baillie.

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Playback language: English
Abstract
All-inorganic CsPbI3 perovskite quantum dots (QDs) offer higher efficiency and better mechanical stability than other quantum dot materials for photovoltaic applications. This paper demonstrates a hybrid interfacial architecture (HIA) using a CsPbI3 QD/PCBM heterojunction, creating an energy cascade for efficient charge transfer and improved mechanical adhesion. A champion CsPbI3 QD solar cell achieved 15.1% efficiency (stabilized power output of 14.61%), among the highest reported. Flexible quantum dot photovoltaics using this strategy reached 12.3% efficiency.
Publisher
Nature Communications
Published On
Jan 20, 2021
Authors
Long Hu, Qian Zhao, Shujuan Huang, Jianghui Zheng, Xinwei Guan, Robert Patterson, Jiyun Kim, Lei Shi, Chun-Ho Lin, Qi Lei, Dewei Chu, Wan Tao, Soshan Cheong, Richard D. Tilley, Anita W. Y. Ho-Baillie, Joseph M. Luther, Jianyu Yuan, Tom Wu
Tags
CsPbI3
perovskite
quantum dots
photovoltaics
charge transfer
flexible solar cells
efficiency

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