Item Infomation


Title: 
Antimony Potassium Tartrate Stabilizes Wide-Bandgap Perovskites for Inverted 4-T All-Perovskite Tandem Solar Cells with Efficiencies over 26%
Authors: 
Xuzhi, Hu
Jiashuai, Li
Chen, Wang
Issue Date: 
2023
Publisher: 
Springer
Abstract: 
Wide-bandgap (WBG) perovskites have been attracting much attention because of their immense potential as a front light-absorber for tandem solar cells. However, WBG perovskite solar cells (PSCs) generally exhibit undesired large open-circuit voltage (VOC) loss due to light-induced phase segregation and severe non-radiative recombination loss. Herein, antimony potassium tartrate (APTA) is added to perovskite precursor as a multifunctional additive that not only coordinates with unbonded lead but also inhibits the migration of halogen in perovskite, which results in suppressed non-radiative recombination, inhibited phase segregation and better band energy alignment.
Description: 
CC BY
URI: 
https://link.springer.com/article/10.1007/s40820-023-01078-6
https://dlib.phenikaa-uni.edu.vn/handle/PNK/8041
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OER - Kỹ thuật điện; Điện tử - Viễn thông
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