Crystal Structure of DMF-Intermediate Phases Uncovers the Link Between CH3NH3PbI3 Morphology and Precursor Stoichiometry
Iuliia P Sokolova
1
,
Nikolai A Belich
1
,
Georgy S Peters
2
,
Andrey Petrov
4
,
M. Gratzel
5
,
Eugene Goodilin
1, 6
,
Alexey Tarasov
1, 6
Тип публикации: Journal Article
Дата публикации: 2017-09-18
scimago Q1
wos Q3
БС1
SJR: 0.914
CiteScore: 6.2
Impact factor: 3.2
ISSN: 19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Краткое описание
We found for the first time a new origin of selection of perovskite crystallization pathways from DMF solutions containing MAI and PbI2 to present here a comprehensive study of a full set of essential intermediate phases determining the perovskite’s morphology. For all three discovered structurally different intermediate phases forming at a given precursor ratio, we refined their crystal structures by synchrotron X-ray radiation and investigated dynamics and phase assemblage in the course of decomposition. As a result, we revealed a clear correlation between the composition of the intermediate phases, peculiarities of their crystal structure, and the morphology of the final perovskite films. Using the DFT method we calculated formation enthalpies of these intermediate phases and explained the preferential precipitation of DMSO-adduct rather than DMF-adduct in an antisolvent approach. This finding opens up a possibility of design-on-demand of perovskite materials using simple soft chemistry approaches.
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ГОСТ
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Sokolova I. P. et al. Crystal Structure of DMF-Intermediate Phases Uncovers the Link Between CH3NH3PbI3 Morphology and Precursor Stoichiometry // Journal of Physical Chemistry C. 2017. Vol. 121. No. 38. pp. 20739-20743.
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Sokolova I. P., Belich N. A., Peters G. S., Dorovatovskii P., Zubavichus Y. V., Khrustalev V. N., Petrov A., Gratzel M., Goodilin E., Tarasov A. Crystal Structure of DMF-Intermediate Phases Uncovers the Link Between CH3NH3PbI3 Morphology and Precursor Stoichiometry // Journal of Physical Chemistry C. 2017. Vol. 121. No. 38. pp. 20739-20743.
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TY - JOUR
DO - 10.1021/acs.jpcc.7b08468
UR - https://doi.org/10.1021/acs.jpcc.7b08468
TI - Crystal Structure of DMF-Intermediate Phases Uncovers the Link Between CH3NH3PbI3 Morphology and Precursor Stoichiometry
T2 - Journal of Physical Chemistry C
AU - Sokolova, Iuliia P
AU - Belich, Nikolai A
AU - Peters, Georgy S
AU - Dorovatovskii, Pavel
AU - Zubavichus, Yan V.
AU - Khrustalev, Victor N.
AU - Petrov, Andrey
AU - Gratzel, M.
AU - Goodilin, Eugene
AU - Tarasov, Alexey
PY - 2017
DA - 2017/09/18
PB - American Chemical Society (ACS)
SP - 20739-20743
IS - 38
VL - 121
SN - 1932-7447
SN - 1932-7455
ER -
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BibTex (до 50 авторов)
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@article{2017_Sokolova,
author = {Iuliia P Sokolova and Nikolai A Belich and Georgy S Peters and Pavel Dorovatovskii and Yan V. Zubavichus and Victor N. Khrustalev and Andrey Petrov and M. Gratzel and Eugene Goodilin and Alexey Tarasov},
title = {Crystal Structure of DMF-Intermediate Phases Uncovers the Link Between CH3NH3PbI3 Morphology and Precursor Stoichiometry},
journal = {Journal of Physical Chemistry C},
year = {2017},
volume = {121},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021/acs.jpcc.7b08468},
number = {38},
pages = {20739--20743},
doi = {10.1021/acs.jpcc.7b08468}
}
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MLA
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Sokolova, Iuliia P., et al. “Crystal Structure of DMF-Intermediate Phases Uncovers the Link Between CH3NH3PbI3 Morphology and Precursor Stoichiometry.” Journal of Physical Chemistry C, vol. 121, no. 38, Sep. 2017, pp. 20739-20743. https://doi.org/10.1021/acs.jpcc.7b08468.