The Many Faces of Mixed Ion Perovskites: Unraveling and Understanding the Crystallization Process
Paul Gratia
1
,
Iwan Zimmermann
1
,
Pascal Schouwink
1
,
Jun Ho Yum
2
,
Kevin Sivula
2
,
Tom Wirtz
3
,
Publication type: Journal Article
Publication date: 2017-11-01
scimago Q1
wos Q1
SJR: 6.799
CiteScore: 29.6
Impact factor: 18.2
ISSN: 23808195
Materials Chemistry
Chemistry (miscellaneous)
Energy Engineering and Power Technology
Fuel Technology
Renewable Energy, Sustainability and the Environment
Abstract
Understanding the crystallization process of organic–inorganic halide perovskites is of paramount importance for fabrication of reproducible and efficient perovskite solar cells. We report for the first time on the discovery and interplay of ubiquitous hexagonal polytypes (6H and 4H) during the crystallization process of mixed ion perovskite, namely (FAPbI3)x(MAPbBr3)1–x. These polytypes, the first reported 3D hexagonal lead-halide-based perovskites, orchestrate a perovskite crystallization sequence revealed as 2H (delta phase)-4H-6H-3R(3C), commonly found among inorganic transition metal oxide perovskites under extreme conditions. We show that the chemical pressure arising from the incorporation of >3% Cs+ cations into the lattice successfully inhibits the formation of these environmentally sensitive polytypes, elucidating the origin of the widely reported improved device stability and reproducibility of Cs+-containing mixed ion perovskites.
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227
Total citations:
227
Citations from 2024:
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(35.56%)
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Gratia P. et al. The Many Faces of Mixed Ion Perovskites: Unraveling and Understanding the Crystallization Process // ACS Energy Letters. 2017. Vol. 2. No. 12. pp. 2686-2693.
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Gratia P., Zimmermann I., Schouwink P., Yum J. H., Audinot J., Sivula K., Wirtz T., Nazeeruddin M. The Many Faces of Mixed Ion Perovskites: Unraveling and Understanding the Crystallization Process // ACS Energy Letters. 2017. Vol. 2. No. 12. pp. 2686-2693.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/acsenergylett.7b00981
UR - https://doi.org/10.1021/acsenergylett.7b00981
TI - The Many Faces of Mixed Ion Perovskites: Unraveling and Understanding the Crystallization Process
T2 - ACS Energy Letters
AU - Gratia, Paul
AU - Zimmermann, Iwan
AU - Schouwink, Pascal
AU - Yum, Jun Ho
AU - Audinot, Jean-Nicolas
AU - Sivula, Kevin
AU - Wirtz, Tom
AU - Nazeeruddin, M.
PY - 2017
DA - 2017/11/01
PB - American Chemical Society (ACS)
SP - 2686-2693
IS - 12
VL - 2
SN - 2380-8195
ER -
Cite this
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@article{2017_Gratia,
author = {Paul Gratia and Iwan Zimmermann and Pascal Schouwink and Jun Ho Yum and Jean-Nicolas Audinot and Kevin Sivula and Tom Wirtz and M. Nazeeruddin},
title = {The Many Faces of Mixed Ion Perovskites: Unraveling and Understanding the Crystallization Process},
journal = {ACS Energy Letters},
year = {2017},
volume = {2},
publisher = {American Chemical Society (ACS)},
month = {nov},
url = {https://doi.org/10.1021/acsenergylett.7b00981},
number = {12},
pages = {2686--2693},
doi = {10.1021/acsenergylett.7b00981}
}
Cite this
MLA
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Gratia, Paul, et al. “The Many Faces of Mixed Ion Perovskites: Unraveling and Understanding the Crystallization Process.” ACS Energy Letters, vol. 2, no. 12, Nov. 2017, pp. 2686-2693. https://doi.org/10.1021/acsenergylett.7b00981.