Enhancement of Luminescence, Multiple-Sensing, and Differentiated Live-Cell-Imaging Properties of High-Nuclear Lanthanide Nanoclusters via the Zn(II)-Chelate-Controlled Dual Antenna Effect

ACS Materials Letters, Journal Year: 2024, Volume and Issue: 6(8), P. 3312 - 3326

Published: June 26, 2024

Enhancing the "antenna effect" of ligands and promoting energy transfer to a lanthanide metal center is one most effective ways construct complex-based emitters with bright emissions. Herein, highly stable nanoclusters (Ln9Zn8; Ln = Dy, Tb, Eu, or Gd) were constructed using Zn(II) metalloligand protection strategy, "dual antenna was selectively turned on enhance luminescence Eu9Zn8. The enabled dual effect for Eu9Zn8, resulting in its solid state being significantly stronger than that Tb9Zn8. Eu9Zn8 has excellent optical sensing properties Al3+, Fe3+, Cr2O72–. Notably, ultrasmall nanocluster showed cellular uptake labeling capabilities after incubation HeLa, MDA–MB–231, HepG2, H9c2, 4T1, SK–OV–3, MCF–7 cells. This work opens up new horizons application biological imaging.

Language: Английский

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Lanthanide-based nanomaterials for temperature sensing in the near-infrared spectral region: illuminating progress and challenges

Nanoscale, Journal Year: 2024, Volume and Issue: 16(23), P. 10975 - 10993

Published: Jan. 1, 2024

This review highlights recent advancements in the development of lanthanide (Ln 3+ )-based nanothermometers, focusing on those operating near-infrared (NIR) spectral region and outlining key findings as well remaining challenges.

Language: Английский

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Yb-to-Eu Cooperative Sensitization Upconversion in a Multifunctional Molecular Nonanuclear Lanthanide Cluster in Solution

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(19), P. 13083 - 13092

Published: May 3, 2024

Lanthanide metal clusters excel in combining molecular and material chemistry properties. Here, we report an efficient cooperative sensitization UC phenomenon of a Eu3+/Yb3+ nonanuclear lanthanide cluster CD3OD. The synthesis characterization the heteronuclear solid state solution are described together with showing Eu3+ luminescence visible region upon 980 nm NIR excitation Yb3+ at concentrations as low 100 nM. Alongside being Eu/Yb to display (with quantum yield value 4.88 × 10–8 1.13 W cm–2 nm), exhibits downshifted light emission 578 Eu3+, which is ascribed pathways for Yb through 5D0 energy levels Eu3+. Additionally, faint also observed ca. 500 excitation, originating from Yb3+. [Eu8Yb(BA)16(OH)10]Cl (BA = benzoylacetonate) field-induced single-molecular magnet (SMM) under 4K modest Ueff/kB 8.48 K, thereby joining coveted list Yb-SMMs emerging prototype system next-generation devices, magnetism cluster.

Language: Английский

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Get under the Umbrella: A Comprehensive Gateway for Researchers on Lanthanide‐Based Single‐Molecule Magnets

European Journal of Inorganic Chemistry, Journal Year: 2023, Volume and Issue: 26(35)

Published: July 7, 2023

Abstract The number of scientific articles that need to be considered cover a research topic is ever‐increasing and quite difficult for newcomer assimilate. This particularly true in dynamic discipline like Molecular Magnetism. In order help young researchers this field, article proposes “review reviews” also known as an “umbrella review” on lanthanide‐based single‐molecule magnets ( 4 f ‐SMM). As preamble, various bibliographic search techniques AI‐based tools search, indexing, summarization are proposed commented. Then, the main milestones ‐SMM identified. core paper, books, book articles, reviews dealing with contextualized classified by subtopics. therefore gateway field.

Language: Английский

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Unraveling the Intertwining Factors Underlying the Assembly of High‐Nuclearity Heterometallic Clusters

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(37)

Published: May 23, 2024

Two closely related yet distinctly different cationic clusters, [Dy

Language: Английский

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Hybrid DFT Geometries and Properties for 17k Lanthanoid Complexes─The LnQM Data Set

Journal of Chemical Information and Modeling, Journal Year: 2024, Volume and Issue: 64(3), P. 825 - 836

Published: Jan. 18, 2024

The unique properties of lanthanoids and their diverse applications make them an indispensable part modern research industry. While the field has garnered attention, there remains a gap in available molecule data sets that facilitate both classical quantum chemistry calculations burgeoning machine learning science applications. This addresses need for comprehensive set allows comparative analysis various lanthanoids. herein presented, curated includes 17269 monolanthanoid complexes derived from 1205 distinct ligand motifs. Structures encompass all 15 +3 oxidation state exhibit molecular charges ranging −1 to +3, including structures with high spin multiplicity up 8. Starting lanthanum complexes, samples were processed permutation central lanthanoid atom, resulting highly comparable subsets, facilitating studies which influence can be investigated independently effects. provides broad range features such as PBE0-D4/def2-SVP optimized geometries optimization trajectories, while also covering ωB97M–V/def2-SVPD energies, rotational constants, dipole moments, highest occupied orbital–lowest-unoccupied orbital (HOMO–LUMO) Mulliken, Löwdin, Hirshfeld population analyses. Additionally, coordination numbers, polarizabilities, partial D4, electronegativity equilibration (EEQ), GFN2-xTB, charge extended Hückel (CEH) are included. is openly accessible may serve basis further investigations into

Language: Английский

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Praseodymium-Doped Nanoparticles: Candidates for Near-Infrared-II Double- and Single-Band Nanothermometry

ACS Materials Letters, Journal Year: 2024, Volume and Issue: 6(4), P. 1327 - 1337

Published: March 7, 2024

Luminescent nanothermometers with high spatial and thermal resolution are desirable for a wide range of temperature-sensing applications. Lanthanide-doped nanoparticles can be excited by emit light in the near-infrared (NIR) region, rendering them ideal candidates NIR nanothermometry. Pr3+ has demonstrated sensing ability region but only when UV–visible light. Here, we propose series NIR-I Pr3+, Ho3+, Yb3+-doped NaGdF4 core/multishell double- single-band ratiometric nanothermometry operating NIR-II region. Thermal was organic aqueous dispersions as well powders. The Sr based on 1G4 → 3H5 Ho3+ 5I6 5I8 radiative transitions reached 2.4% °C–1 at 40 °C, while maximal obtained using emission 0.8% 10 °C. These findings demonstrate promise Pr3+-doped NIR-NIR

Language: Английский

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Upconverting photons at the molecular scale with lanthanide complexes

Chemical Science, Journal Year: 2024, Volume and Issue: 15(9), P. 3048 - 3059

Published: Jan. 1, 2024

This perspective article relates on the recent developments around lanthanide based upconverting molecules and supermolecules presents state-of-the-art in field as well perspectives future outlooks.

Language: Английский

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Luminescent Ln3+-based silsesquioxanes with a β-diketonate antenna ligand: toward the design of efficient temperature sensors

Frontiers in Chemistry, Journal Year: 2024, Volume and Issue: 12

Published: April 3, 2024

We report the synthesis and single-crystal X-ray diffraction, magnetic, luminescence measurements of a novel family luminescent cage-like tetranuclear silsesquioxanes (PhSiO 1.5 ) 8 (LnO 4 (O)(C 5 H O 2 6 (EtOH) (CH 3 CN) ⋅2CH CN (where Ln = Tb, 1 ; Tb/Eu, Gd, ), featuring seven-coordinated lanthanide ions arranged in one-capped trigonal prism geometry. Compounds exhibit characteristic Tb 3+ /Eu -related emissions, respectively, sensitized by chelating antenna acetylacetonate (acac) ligands upon excitation UV visible spectral regions. Compound is used to assess energies triplet states acac ligand. For compound , theoretical calculations on intramolecular energy transfer multiphonon rates indicate thermal balance between D Stark components, while mixed analog with Tb:Eu ratio 3:1, showcases intra-cluster -to-Eu transfer, calculated theoretically as function temperature. By utilizing intensity → 7 F (Tb 0 (Eu transitions range 11–373 K, we demonstrate realization ratiometric thermometer operating K maximum relative sensitivity 2.0% −1 at 373 K. These findings highlight potential versatile materials for optical sensing-enabled applications.

Language: Английский

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Saddle-Shaped Heterometallic 3d–4f Cluster: Structure and Magnetocaloric Effect

Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: March 7, 2025

Heterometallic 3d-4f cluster complexes have enjoyed much recent interest because of their structural esthetics, unique properties, and useful applications. A the formula [Gd68Co60(OH)116(CH3COO)8(IDA)56(CO3)4(C2O4)8(H2O)92Cl16]Cl48·10H2O·60CH3OH (Gd68Co60, IDA: iminodiacetate), obtained by cohydrolysis Gd3+ Co2+ in presence IDA, is herein reported. Crystallographic studies revealed its saddle-shaped cyclic structure featuring a nanometer-sized central cavity. maximum magnetic entropy change 38.58 J·K-1·kg-1 was achieved at 3.0 K 7.0 T, placing Gd68Co60 favorably alongside better-performing clusters for cooling

Language: Английский

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