Truly Monodisperse Molecular Nanoparticles of Cerium Dioxide of 2.4 nm dimensions : A {Ce100 O167 } Cluster
© 2021 Wiley-VCH GmbH..
Ultra-small nanoparticles of CeO2 obtained in molecular form, so-called molecular nanoparticles, have been limited to date to a family whose largest member is of nuclearity Ce40 with a {Ce40 O58 } core atom count. Herein we report that a synthetic procedure has been developed to the cation [Ce100 O149 (OH)18 (O2 CPh)60 (PhCO2 H)12 (H2 O)20 ]16+ , a member with a much higher Ce100 nuclearity and a {Ce100 O167 } core that is more akin to the smallest ceria nanoparticles. Its crystal structure reveals it to possess a 2.4 nm size and high D2d symmetry, and it has also allowed identification of core surface features including facet composition, the presence and location of Ce3+ and H+ (i.e. HO- ) ions, and the binding modes of the ligand monolayer of benzoate, benzoic acid, and water ligands.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:60 |
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| Enthalten in: |
Angewandte Chemie (International ed. in English) - 60(2021), 22 vom: 25. Mai, Seite 12591-12596 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Russell-Webster, Bradley [VerfasserIn] |
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| Links: |
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| Themen: |
Atomic precision |
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| Anmerkungen: |
Date Revised 17.05.2021 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/anie.202103110 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2021 Wiley-VCH GmbH. | ||
| 520 | |a Ultra-small nanoparticles of CeO2 obtained in molecular form, so-called molecular nanoparticles, have been limited to date to a family whose largest member is of nuclearity Ce40 with a {Ce40 O58 } core atom count. Herein we report that a synthetic procedure has been developed to the cation [Ce100 O149 (OH)18 (O2 CPh)60 (PhCO2 H)12 (H2 O)20 ]16+ , a member with a much higher Ce100 nuclearity and a {Ce100 O167 } core that is more akin to the smallest ceria nanoparticles. Its crystal structure reveals it to possess a 2.4 nm size and high D2d symmetry, and it has also allowed identification of core surface features including facet composition, the presence and location of Ce3+ and H+ (i.e. HO- ) ions, and the binding modes of the ligand monolayer of benzoate, benzoic acid, and water ligands | ||
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| 650 | 4 | |a nanoceria | |
| 700 | 1 | |a Lopez-Nieto, Javi |e verfasserin |4 aut | |
| 700 | 1 | |a Abboud, Khalil A |e verfasserin |4 aut | |
| 700 | 1 | |a Christou, George |e verfasserin |4 aut | |
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