Formation of Enantiomerically Pure Luminescent Triple-Stranded Dimetallic Europium Helicates and Their Corresponding Hierarchical Self-Assembly Formation in Protic Polar Solutions

Formation of Enantiomerically Pure Luminescent Triple-Stranded Dimetallic Europium Helicates and Their Corresponding Hierarchical Self-Assembly Formation in Protic Polar Solutions

Ditopic helicate ligands 1 and 2 were synthesized for the formation of dinuclear EuIII luminescent chiral helical assemblies (Eu2·L3) in competitive organic and protic solvent media. Spectroscopic analysis revealed formation of the 2:3 (Eu2·L3) and 2:2 (Eu2·L2) species in methanolic solutions. Circu...

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Veröffentlicht in:Inorganic chemistry 2020-03, Vol.59 (5), p.2646-2650
Hauptverfasser: Barry, Dawn E, Kitchen, Jonathan A, Pandurangan, Komala, Savyasachi, Aramballi Jayant, Peacock, Robert D, Gunnlaugsson, Thorfinnur
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container_end_page 2650
container_issue 5
container_start_page 2646
container_title Inorganic chemistry
container_volume 59
creator Barry, Dawn E
Kitchen, Jonathan A
Pandurangan, Komala
Savyasachi, Aramballi Jayant
Peacock, Robert D
Gunnlaugsson, Thorfinnur
description Ditopic helicate ligands 1 and 2 were synthesized for the formation of dinuclear EuIII luminescent chiral helical assemblies (Eu2·L3) in competitive organic and protic solvent media. Spectroscopic analysis revealed formation of the 2:3 (Eu2·L3) and 2:2 (Eu2·L2) species in methanolic solutions. Circular dichroism and circularly polarized luminescence (CPL) spectroscopy confirmed the chiral purity of the helical systems, while scanning electron microscopy imaging demonstrated the formation of hierarchical self-assemblies with spherical morphologies.
doi_str_mv 10.1021/acs.inorgchem.0c00058
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title Formation of Enantiomerically Pure Luminescent Triple-Stranded Dimetallic Europium Helicates and Their Corresponding Hierarchical Self-Assembly Formation in Protic Polar Solutions
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