This mini review gives some highlights of the work recently carried out in our research group in Dublin on the developments of lanthanide luminescent devices, where the future goal is to produce devices that can operate as sensors. A few examples demonstrate our design principles for targeting both anion and cations that are of biological or pharmaceutical relevance, where the recognition occurs in aqueous competitive media. We also discuss the possibility of developing mixed f-d metal complexes and conjugates that can be employed as novel supramolecular architectures.
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Extraction and complexation of trivalent americium and lanthanides using an asymmetric picolinic acid-derived tridentate N,O-hybrid ligand.
Dalton Trans
December 2024
Institute of Nuclear and New Energy Technology, Tsinghua University, 100084, Beijing, China.
The extraction and complexation of trivalent americium (Am) and lanthanides (Ln) using an asymmetric picolinic acid-derived tridentate N,O-hybrid ligand, 6-(dioctylcarbamoyl)picolinic acid (DOAPA), have been studied through both experimental and theoretical methods. DOAPA exhibits effective and fast extraction of Am(III) and Ln(III). The extraction is driven by favorable enthalpy change.
View Article and Find Full Text PDFInfluence of Hydroxycoumarin Substituents on the Photophysical Properties of Chiroptical Tb(III) and Eu(III) Complexes.
Inorg Chem
December 2024
Luminescent Materials Laboratory, DB, University of Verona, and INSTM, UdR Verona, Strada Le Grazie 15, Verona 37134, Italy.
Article Synopsis
- This article discusses the synthesis and structural characterization of chiral Tb(III) and Eu(III) complexes using two different ligands: an enantiopure diamine-based ligand and various hydroxycoumarin ligands.
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Zhejiang Key Laboratory of Carbon Materials, Key Lab of Biohealth Materials and Chemistry of Wenzhou, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China.
Rapid and accurate testing of 2,6-dipicolinic acid (DPA) and levofloxacin (LFX) has been attracting much attention due to the fact that the former is an important biomarker of anthrax spores and the latter is a third-generation fluoroquinolone drug and has been recognized as an important environmental pollutant. Herein, we report the preparation of a 13-metal Eu(III) nanomolecular sensor (molecular sizes: 2.0 × 2.
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Department of Chemistry, Faculty of Science and Technology, ICFAI University Tripura, Agartala 799210, Tripura, India.
Lanthanide-based light-emitting coordination polymers (CPs) and CP gels (CPGs) have significance for applications in optical systems, image processing/multiplexing, and optical sensors. In this study, we report two new luminescent CPs (EuL-CP () and TbL-CP ()) and CPGs (EuL-gel () and TbL-gel ()) using lanthanide(III) ions (Ln(III) = Eu(III) and Tb(III)) and 4-(4-carboxyphenyl)-2,2:6,2-terpyridine ligand () capable of forming stable thermoreversible gels. Probable structures of EuL-CP () and TbL-CP () and the formations of EuL-gel () and TbL-gel () are proposed based on adequate computational studies.
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November 2024
Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
Chiral metal halide materials are emerging chiroptical materials that are easy to synthesize and have a wide tunability. Rare-earth (RE) metals are desirable components to be incorporated in the hybrid regime; however, they are typically difficult to handle for solution-based halide chemistry. Here, we report two new examples of chiral RE metal halides with Ce(III) and Eu(III) with chiral alkanolammonium cations (/-3-hydroxyquinuclidium).
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