Radiation Chemistry Provides Nanoscopic Insights into the Role of Intermediate Phases in CeO 2 Mesocrystal Formation
Zhuofeng Li
1
,
Diana Piankova
2
,
Yi Yang
1
,
Yuta Kumagai
3
,
Hannes Zschiesche
2
,
Mats Jonsson
1
,
Nadezda Tarakina
2
,
I.L. Soroka
1
Publication type: Journal Article
Publication date: 2021-12-21
scimago Q1
wos Q1
SJR: 5.550
CiteScore: 27.6
Impact factor: 16.9
ISSN: 14337851, 15213773
PubMed ID:
34860450
General Chemistry
Catalysis
Abstract
The role of intermediate phases in CeO2 mesocrystal formation from aqueous CeIII solutions subjected to γ-radiation was studied. Radiolytically formed hydroxyl radicals convert soluble CeIII into less soluble CeIV . Transmission electron microscopy (TEM) and X-ray diffraction studies of samples from different stages of the process allowed the identification of several stages in CeO2 mesocrystal evolution following the oxidation to CeIV : (1) formation of hydrated CeIV hydroxides, serving as intermediates in the liquid-to-solid phase transformation; (2) CeO2 primary particle growth inside the intermediate phase; (3) alignment of the primary particles into "pre-mesocrystals" and subsequently to mesocrystals, guided by confinement of the amorphous intermediate phase and accompanied by the formation of "mineral bridges". Further alignment of the obtained mesocrystals into supracrystals occurs upon slow drying, making it possible to form complex hierarchical architectures.
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7
Total citations:
7
Citations from 2024:
5
(71.43%)
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Li Z. et al. Radiation Chemistry Provides Nanoscopic Insights into the Role of Intermediate Phases in CeO 2 Mesocrystal Formation // Angewandte Chemie - International Edition. 2021. Vol. 61. No. 6.
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Li Z., Piankova D., Yang Y., Kumagai Y., Zschiesche H., Jonsson M., Tarakina N., Soroka I. Radiation Chemistry Provides Nanoscopic Insights into the Role of Intermediate Phases in CeO 2 Mesocrystal Formation // Angewandte Chemie - International Edition. 2021. Vol. 61. No. 6.
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RIS
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TY - JOUR
DO - 10.1002/anie.202112204
UR - https://doi.org/10.1002/anie.202112204
TI - Radiation Chemistry Provides Nanoscopic Insights into the Role of Intermediate Phases in CeO 2 Mesocrystal Formation
T2 - Angewandte Chemie - International Edition
AU - Li, Zhuofeng
AU - Piankova, Diana
AU - Yang, Yi
AU - Kumagai, Yuta
AU - Zschiesche, Hannes
AU - Jonsson, Mats
AU - Tarakina, Nadezda
AU - Soroka, I.L.
PY - 2021
DA - 2021/12/21
PB - Wiley
IS - 6
VL - 61
PMID - 34860450
SN - 1433-7851
SN - 1521-3773
ER -
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BibTex (up to 50 authors)
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@article{2021_Li,
author = {Zhuofeng Li and Diana Piankova and Yi Yang and Yuta Kumagai and Hannes Zschiesche and Mats Jonsson and Nadezda Tarakina and I.L. Soroka},
title = {Radiation Chemistry Provides Nanoscopic Insights into the Role of Intermediate Phases in CeO 2 Mesocrystal Formation},
journal = {Angewandte Chemie - International Edition},
year = {2021},
volume = {61},
publisher = {Wiley},
month = {dec},
url = {https://doi.org/10.1002/anie.202112204},
number = {6},
doi = {10.1002/anie.202112204}
}