Degradation of the Formamidinium Cation and the Quantification of the Formamidinium–Methylammonium Ratio in Lead Iodide Hybrid Perovskites by Nuclear Magnetic Resonance Spectroscopy
Publication type: Journal Article
Publication date: 2018-02-15
scimago Q1
wos Q3
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
Abstract
The highest efficiency in perovskite solar cells is currently achieved with mixed-cation hybrid perovskites. The ratio in which the cations are present in the perovskite structure has an important effect on the optical properties and the stability of these materials. At present, the formamidinium cation is an integral part of many of the highest efficiency perovskite systems. In this work, we introduce a nuclear magnetic resonance (NMR) spectroscopy protocol for the identification and differentiation of mixed perovskite phases and of a secondary phase due to formamidinium degradation. The influence of the cooling rate used in a precipitation method on the FA/MA ratio in formamidinium–methylammonium lead iodide perovskites (FAxMA1–xPbI3) was investigated and compared to the FA/MA ratio in thin films. In order to obtain the FA/MA ratio from fast and accessible liquid-state 1H NMR spectra, the influence of the acidity of the solution on the line width of the resonances was elucidated. The ratio of the organi...
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97
Total citations:
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Citations from 2025:
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Van Gompel W. T. M. et al. Degradation of the Formamidinium Cation and the Quantification of the Formamidinium–Methylammonium Ratio in Lead Iodide Hybrid Perovskites by Nuclear Magnetic Resonance Spectroscopy // Journal of Physical Chemistry C. 2018. Vol. 122. No. 8. pp. 4117-4124.
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Ruttens B., D'Haen J., Adriaensens P. J., Lutsen L., Vanderzande D. Degradation of the Formamidinium Cation and the Quantification of the Formamidinium–Methylammonium Ratio in Lead Iodide Hybrid Perovskites by Nuclear Magnetic Resonance Spectroscopy // Journal of Physical Chemistry C. 2018. Vol. 122. No. 8. pp. 4117-4124.
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RIS
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TY - JOUR
DO - 10.1021/acs.jpcc.7b09805
UR - https://doi.org/10.1021/acs.jpcc.7b09805
TI - Degradation of the Formamidinium Cation and the Quantification of the Formamidinium–Methylammonium Ratio in Lead Iodide Hybrid Perovskites by Nuclear Magnetic Resonance Spectroscopy
T2 - Journal of Physical Chemistry C
AU - Ruttens, Bart
AU - D'Haen, Jan
AU - Adriaensens, Peter J.
AU - Lutsen, Laurence
AU - Vanderzande, Dirk
PY - 2018
DA - 2018/02/15
PB - American Chemical Society (ACS)
SP - 4117-4124
IS - 8
VL - 122
SN - 1932-7447
SN - 1932-7455
ER -
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@article{2018_Van Gompel,
author = {Bart Ruttens and Jan D'Haen and Peter J. Adriaensens and Laurence Lutsen and Dirk Vanderzande},
title = {Degradation of the Formamidinium Cation and the Quantification of the Formamidinium–Methylammonium Ratio in Lead Iodide Hybrid Perovskites by Nuclear Magnetic Resonance Spectroscopy},
journal = {Journal of Physical Chemistry C},
year = {2018},
volume = {122},
publisher = {American Chemical Society (ACS)},
month = {feb},
url = {https://doi.org/10.1021/acs.jpcc.7b09805},
number = {8},
pages = {4117--4124},
doi = {10.1021/acs.jpcc.7b09805}
}
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Van Gompel, Wouter T. M., et al. “Degradation of the Formamidinium Cation and the Quantification of the Formamidinium–Methylammonium Ratio in Lead Iodide Hybrid Perovskites by Nuclear Magnetic Resonance Spectroscopy.” Journal of Physical Chemistry C, vol. 122, no. 8, Feb. 2018, pp. 4117-4124. https://doi.org/10.1021/acs.jpcc.7b09805.