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Updated: Sep 24, 2025

Flash Infrared Annealing for Perovskite Solar Cell Processing
Published on: February 3, 2021
Point defect-reduced colloidal SnO2 electron transport layers for stable and almost hysteresis-free perovskite solar
Yeonkyeong Ju1, So Yeon Park1, Hyun Soo Han2
1School of Advanced Materials Science & Engineering, Sungkyunkwan University Suwon 16419 Republic of Korea hsjung1@skku.edu.
Abstract:
The commercialization of perovskite solar cells has been investigated, but the instability of their light-absorbing layers remains a problem. We demonstrate that the use of colloidal SnO2 nanoparticles prevents perovskite light absorber decomposition, reduces the hysteresis index to 0.1%, and increases the power conversion efficiency to 19.12%.
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