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@ARTICLE{Wei:1046026,
author = {Wei, Jianan and Huang, Ting and Peng, Wenjun and He, Yi and
Feng, Wei and Hao, Yuying and Brabec, Christoph and Mai,
Yaohua and Guo, Fei},
title = {{A}n efficient {ALD}- and noble metal-free charge
recombination architecture for monolithic all-perovskite
tandem solar cells},
journal = {Journal of materials chemistry / A},
volume = {13},
number = {33},
issn = {2050-7488},
address = {London [u.a.]},
publisher = {RSC},
reportid = {FZJ-2025-03666},
pages = {27101 - 27106},
year = {2025},
abstract = {The currently efficient all-perovskite tandem solar cells
(all-PTSCs) are built on the workhorse charge recombination
layers (CRLs) composed of ALD-SnOX/noble metal/PEDOT:PSS.
However, the susceptibility of optoelectronic properties of
SnOX to atomic growth conditions and the use of rare metals
constrain their promise for commercial deployment. Here, we
design an efficient and robust CRL consisting of a layer
sequence of Cr/ITO/PEDOT:PSS. The conformally grown thin Cr
layer serves as a critical barrier to protect the underlying
perovskite from damage during ITO sputtering. Essentially,
the entire stack of the CRL exhibits superior resistance to
strong polar solvents during the deposition of top
narrow-bandgap perovskites. On this basis, high-performance
monolithic all-PTSCs are reproducibly fabricated, yielding a
state-of-the-art efficiency of $26.56\%,$ alongside an
impressive fill factor (FF) of $80.6\%.$},
cin = {IET-2},
ddc = {530},
cid = {I:(DE-Juel1)IET-2-20140314},
pnm = {1213 - Cell Design and Development (POF4-121)},
pid = {G:(DE-HGF)POF4-1213},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001545180200001},
doi = {10.1039/D5TA04259C},
url = {https://juser.fz-juelich.de/record/1046026},
}