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@ARTICLE{Luo:1025202,
author = {Luo, Junsheng and Liu, Bowen and Yin, Haomiao and Zhou, Xin
and Wu, Mingjian and Shi, Hongyang and Zhang, Jiyun and
Elia, Jack and Zhang, Kaicheng and Wu, Jianchang and Xie,
Zhiqiang and Liu, Chao and Yuan, Junyu and Wan, Zhongquan
and Heumueller, Thomas and Lüer, Larry and Spiecker,
Erdmann and Li, Ning and Jia, Chunyang and Brabec, Christoph
J. and Zhao, Yicheng},
title = {{P}olymer-acid-metal quasi-ohmic contact for stable
perovskite solar cells beyond a 20,000-hour extrapolated
lifetime},
journal = {Nature Communications},
volume = {15},
number = {1},
issn = {2041-1723},
address = {[London]},
publisher = {Nature Publishing Group UK},
reportid = {FZJ-2024-02770},
pages = {2002},
year = {2024},
abstract = {The development of a robust quasi-ohmic contact with
minimal resistance, good stability and cost-effectiveness is
crucial for perovskite solar cells. We introduce a generic
approach featuring a Lewis-acid layer sandwiched between
dopant-free semicrystalline polymer and metal electrode in
perovskite solar cells, resulting in an ideal quasi-ohmic
contact even at elevated temperature up to 85 °C. The
solubility of Lewis acid in alcohol facilitates
nondestructive solution processing on top of polymer, which
boosts hole injection from polymer into metal by two orders
of magnitude. By integrating the polymer-acid-metal
structure into solar cells, devices exhibit remarkable
resilience, retaining $96\%$ ± $3\%,$ $96\%$ ± $2\%$ and
$75\%$ ± $7\%$ of their initial efficiencies after
continuous operation in nitrogen at 35 °C for 2212 h,
55 °C for 1650 h and 85 °C for 937 h,
respectively. Leveraging the Arrhenius relation, we project
an impressive T80 lifetime of 26,126 h at 30 °C.},
cin = {IEK-11},
ddc = {500},
cid = {I:(DE-Juel1)IEK-11-20140314},
pnm = {1213 - Cell Design and Development (POF4-121) / 1212 -
Materials and Interfaces (POF4-121)},
pid = {G:(DE-HGF)POF4-1213 / G:(DE-HGF)POF4-1212},
typ = {PUB:(DE-HGF)16},
pubmed = {38443353},
UT = {WOS:001180394600011},
doi = {10.1038/s41467-024-46145-7},
url = {https://juser.fz-juelich.de/record/1025202},
}