Rare Earth pcu Metal–Organic Framework Platform Based on RE 4 (μ 3 -OH) 4 (COO) 6 2+ Clusters: Rational Design, Directed Synthesis, and Deliberate Tuning of Excitation Wavelengths
Identifieur interne : 000013 ( Main/Exploration ); précédent : 000012; suivant : 000014Rare Earth pcu Metal–Organic Framework Platform Based on RE 4 (μ 3 -OH) 4 (COO) 6 2+ Clusters: Rational Design, Directed Synthesis, and Deliberate Tuning of Excitation Wavelengths
Auteurs : Tian-Yi Luo [États-Unis] ; Chong Liu [États-Unis] ; Svetlana V. Eliseeva [France] ; Patrick F. Muldoon [États-Unis] ; Stéphane Petoud [France] ; Nathaniel L. Rosi [États-Unis]Source :
- Journal of the American Chemical Society [ 0002-7863 ] ; 2017-06-27.
Abstract
The Td point group symmetry of rare earth (RE3+) metal clusters RE4(mu3-OH)4(COO)62+ makes them attractive building blocks for creating metal-organic frameworks (MOFs) with controllable topologies. Herein, we describe the design and synthesis of a series of isoreticular MOFs featuring pcu topology [MOF-1114(RE) and MOF-1115(RE)] with variable rare earth metal ions (RE3+ = Y3+, Sm3+, Eu3+, Gd3+, Tb3+, Dy3+, Ho3+, Er3+, Tm3+, Yb3+) and linear amino-functionalized dicarboxylate linkers of different lengths. In total, we report 22 MOFs that vary in both composition and structure yet share the same RE4(mu3-OH)4 cluster motif. We demonstrate that these pcu MOFs are cationic and that anion exchange can be used to affect the MOF properties. We also investigate the luminescence properties of a representative member of this MOF series [MOF-1114(Yb)] that exhibits near-infrared emission. We show that the excitation energy for Yb3+ sensitization can be carefully adjusted to lower energy via covalent postsynthetic modification at the amino group sites within the MOF.
Url:
DOI: 10.1021/jacs.7b04532
Affiliations:
- France, États-Unis
- Centre-Val de Loire, Région Centre
- Orléans
- Centre Val de Loire Université, Université d'Orléans
Links toward previous steps (curation, corpus...)
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- to stream Hal, to step Checkpoint: 000013
- to stream Main, to step Merge: 000013
- to stream Main, to step Curation: 000013
Le document en format XML
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<front><div type="abstract" xml:lang="en">The Td point group symmetry of rare earth (RE3+) metal clusters RE4(mu3-OH)4(COO)62+ makes them attractive building blocks for creating metal-organic frameworks (MOFs) with controllable topologies. Herein, we describe the design and synthesis of a series of isoreticular MOFs featuring pcu topology [MOF-1114(RE) and MOF-1115(RE)] with variable rare earth metal ions (RE3+ = Y3+, Sm3+, Eu3+, Gd3+, Tb3+, Dy3+, Ho3+, Er3+, Tm3+, Yb3+) and linear amino-functionalized dicarboxylate linkers of different lengths. In total, we report 22 MOFs that vary in both composition and structure yet share the same RE4(mu3-OH)4 cluster motif. We demonstrate that these pcu MOFs are cationic and that anion exchange can be used to affect the MOF properties. We also investigate the luminescence properties of a representative member of this MOF series [MOF-1114(Yb)] that exhibits near-infrared emission. We show that the excitation energy for Yb3+ sensitization can be carefully adjusted to lower energy via covalent postsynthetic modification at the amino group sites within the MOF.</div>
</front>
</TEI>
<affiliations><list><country><li>France</li>
<li>États-Unis</li>
</country>
<region><li>Centre-Val de Loire</li>
<li>Région Centre</li>
</region>
<settlement><li>Orléans</li>
</settlement>
<orgName><li>Centre Val de Loire Université</li>
<li>Université d'Orléans</li>
</orgName>
</list>
<tree><country name="États-Unis"><noRegion><name sortKey="Luo, Tian Yi" sort="Luo, Tian Yi" uniqKey="Luo T" first="Tian-Yi" last="Luo">Tian-Yi Luo</name>
</noRegion>
<name sortKey="Liu, Chong" sort="Liu, Chong" uniqKey="Liu C" first="Chong" last="Liu">Chong Liu</name>
<name sortKey="Muldoon, Patrick F" sort="Muldoon, Patrick F" uniqKey="Muldoon P" first="Patrick F." last="Muldoon">Patrick F. Muldoon</name>
<name sortKey="Rosi, Nathaniel L" sort="Rosi, Nathaniel L" uniqKey="Rosi N" first="Nathaniel L." last="Rosi">Nathaniel L. Rosi</name>
</country>
<country name="France"><region name="Région Centre"><name sortKey="Eliseeva, Svetlana V" sort="Eliseeva, Svetlana V" uniqKey="Eliseeva S" first="Svetlana V." last="Eliseeva">Svetlana V. Eliseeva</name>
</region>
<name sortKey="Petoud, Stephane" sort="Petoud, Stephane" uniqKey="Petoud S" first="Stéphane" last="Petoud">Stéphane Petoud</name>
</country>
</tree>
</affiliations>
</record>
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