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Ahmed T, Chakraborty A, Baitalik S. Terpyridyl-Imidazole Based Ligand Coordinated to Ln(Hexafluoroacetyl acetonate) 3 Core: Synthesis, Structural Characterization, Luminescence Properties, and Thermosensing Behaviors in Solution and PMMA Film. Inorg Chem 2024; 63:11279-11295. [PMID: 38822820 DOI: 10.1021/acs.inorgchem.4c01132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2024]
Abstract
A new array of ternary lanthanide complexes of the form [Ln(hfa)3(tpy-HImzphen)] have been synthesized and thoroughly characterized wherein Ln = LaIII (1), EuIII (2), SmIII (3), and TbIII (4); hfa = hexafluoroacetylacetonate; and tpy-HImzphen = 2-(4-[2,2':6',2″]terpyridin-4'-yl-phenyl)-1H-phenanthro[9,10-d]imidazole. Incorporation of tpy-HImzphen onto the Ln-hfa moiety induced a bathochromic shift of the absorption window of the complexes into the visible region. Extensive investigations of the luminescence characteristics have been conducted both at RT and at 77 K to understand the deactivation pathways of the complexes. Both steady-state and time-resolved emission spectral behaviors indicate four distinctive behaviors upon incorporation of tpy-HImzphen onto the lanthanide core, viz., a huge red-shift of the ligand-centered peak for LaIII; almost complete energy transfer for EuIII; very little energy transfer for SmIII, while reverse energy transfer in the case of TbIII. In addition, the EuIII-complex exhibits its excellence in luminescence thermometry in the solution state as well as in poly(methyl methacrylate) (PMMA) thin films. The thermosensitive luminescence response in solution was further utilized to mimic set-reset flip-flop logic operation. A plausible energy transfer scheme has been devised to explain dissimilar luminescence behaviors in the complexes. The role of LMCT was also considered for the observed thermosensing property of the Eu(III) complex.
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Affiliation(s)
- Toushique Ahmed
- Inorganic Chemistry Section, Department of Chemistry, Jadavpur University, Kolkata 700032, India
| | - Amit Chakraborty
- Inorganic Chemistry Section, Department of Chemistry, Jadavpur University, Kolkata 700032, India
| | - Sujoy Baitalik
- Inorganic Chemistry Section, Department of Chemistry, Jadavpur University, Kolkata 700032, India
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Le-Hoang G, Guénée L, Sommer Q, Piguet C. Tuning Selectivity and Stability in Heteroleptic Lanthanide Adducts by Ligand Design. Inorg Chem 2024; 63:3712-3723. [PMID: 38334740 DOI: 10.1021/acs.inorgchem.3c03710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Terdentate ligands L10-L14 and their heteroleptic [LkLn(hfac)3] complexes (Ln = La, Eu, Gd, Er, or Y; H-hfac = 1,1,1,5,5,5-hexafluoropentane-2,4-dione) exhibit multifactorial correlations between the ligand's structural frameworks, including their level of preorganization and steric congestion and their affinities and selectivities for catching the trivalent lanthanide containers [Ln(hfac)3]. The polyaromatic ligand scaffolds could be stepwise modulated via lanthanide-template synthetic strategies, using intermolecular rhodium-catalyzed insertion reactions. The increasing level of preorganization along the L10 → L11 → L12 series leads to a duality in which larger thermodynamic formation constants with lanthanides in CD2Cl2 are accompanied by an unexpected decrease in the Ln-N affinities in the solid state, which could be assigned to a limited match between the lanthanide size and the enlarged preorganized cavities. On the contrary, a reduced stability is induced by the connection of additional methyl groups at position 1 of the benzimidazole moieties in L13 and L14, which is accompanied by an optimization of metal-nitrogen bond lengths. This study contributes to the rational design of highly stable neutral heteroleptic lanthanide β-diketonate adducts that resist dissociation in solution, a prerequisite for photophysical applications using these highly luminescent systems at the molecular level.
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Affiliation(s)
- Giau Le-Hoang
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Laure Guénée
- Laboratory of Crystallography, University of Geneva, 24 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Quentin Sommer
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
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Taarit I, Alves F, Benchohra A, Guénée L, Golesorkhi B, Rosspeintner A, Fürstenberg A, Piguet C. Seeking Brightness in Molecular Erbium-Based Light Upconversion. J Am Chem Soc 2023. [PMID: 37018515 DOI: 10.1021/jacs.3c01331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
Whereas dye-sensitized lanthanide-doped nanoparticles represent an unquestionable advance for pushing linear near-infrared (NIR) to visible-light upconversion within the frame of applications, analogous improvements are difficult to mimic for related but intramolecular processes induced at the molecular level in coordination complexes. Major difficulties arise from the cationic nature of the target cyanine-containing sensitizers (S), which drastically limits their thermodynamic affinities for catching the lanthanide activators (A) required for performing linear light upconversion. In this context, the rare previous design of stable dye-containing molecular SA light-upconverters required large S···A distances at the cost of the operation of only poorly efficient intramolecular S → A energy transfers and global sensitization. With the synthesis of the compact ligand [L2]+, we exploit here the benefit of using a single sulfur connector between the dye and the binding unit for counterbalancing the drastic electrostatic penalty which is expected to prevent metal complexation. Quantitative amounts of nine-coordinate [L2Er(hfac)3]+ molecular adducts could be finally prepared in solution at millimolar concentrations, while the S···A distance has been reduced by 40% to reach circa 0.7 nm. Detailed photophysical studies demonstrate the operation of a three times improved energy transfer upconversion (ETU) mechanism for molecular [L2Er(hfac)3]+ in acetonitrile at room temperature, thanks to the boosted heavy atom effect operating in the close cyanine/Er pair. NIR excitation at 801 nm can thus be upconverted into visible light (525-545 nm) with an unprecedented brightness of Bup(801 nm) = 2.0(1) × 10-3 M-1·cm-1 for a molecular lanthanide complex.
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Affiliation(s)
- Inès Taarit
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Filipe Alves
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Amina Benchohra
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Laure Guénée
- Laboratory of Crystallography, University of Geneva, 24 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Bahman Golesorkhi
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Arnulf Rosspeintner
- Department of Physical Chemistry, University of Geneva, CH-1211 Geneva 4, Switzerland
| | - Alexandre Fürstenberg
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
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Naseri S, Mirzakhani M, Besnard C, Guénée L, Briant L, Nozary H, Piguet C. Preorganized Polyaromatic Soft Terdentate Hosts for the Capture of [Ln(β-diketonate) 3 ] Guests in Solution. Chemistry 2023; 29:e202202727. [PMID: 36285628 DOI: 10.1002/chem.202202727] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/25/2022] [Accepted: 10/25/2022] [Indexed: 11/07/2022]
Abstract
The concept of preorganization is famous in coordination chemistry for having transformed flexible bidentate 2,2'-bipyridine scaffolds into rigid 1,10-phenanthroline platforms. The resulting boosted affinities for d-block cations has successfully paved the way for the design of a wealth of functional complexes, devices and materials for analysis and optics. Its extension toward terdentate homologues adapted for the selective complexation of f-block cations with larger coordination numbers remains more overlooked. The resulting rigidification of 2,6-bis(1-methyl-1H-benzo[d]imidazol-2-yl)pyridine ligands (L1-L7) produces the highly preorganized and extended polyaromatic benzo[4',5']imidazo[1',2' : 1,2]pyrido[3,4-b]benzo[4,5]imidazo[1,2-h][1,7]naphthyridines (L8-L11) receptors, which offer some novel and rare opportunities for efficiently complexing trivalent lanthanides with polyaromatic soft terimine ligands. The crystal structures of the stable heteroleptic [LkLn(hfac)3 ] adducts (Lk=L1, L8, L9; Ln=La, Eu, Gd, Er, Yb, Y; H-hfac=1,1,1,5,5,5-hexafluoropentane-2,4-dione) show a drastic decrease in the Ln-N bond valences upon replacement of the flexible ligand L1 with its preorganized counterparts L8 and L9. This points to a limited match between the preorganized cavity and the entering [Ln(hfac)3 ] lanthanide containers. However, thermodynamic studies conducted in dichloromethane reach the opposite conclusion, with an improved affinity, by up to three orders of magnitude for catching Ln(hfac)3 when L1 is replaced by the preorganized L8-L9 receptors. The key to the enigma lies in the removal of the energy penalty which accompanies the formation of flexible [L1Ln(hfac)3 ] complexes in solution. This driving force overcomes the poor match between the preorganized terdentate N∩ N∩ N cavity in L8 and L9 and the size of trivalent lanthanides. As planned, the rigid, planar and extended π-conjugated system found in L8 and L9 shifts the ligand-centered absorption bands by about 5000 cm-1 toward lower energies, a crucial point if these stable [L8Ln(hfac)3 ] and [L9Ln(hfac)3 ] platforms have to be considered for the visible sensitization of luminescent lanthanides in metallopolymers.
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Affiliation(s)
- Soroush Naseri
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Mohsen Mirzakhani
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Céline Besnard
- Laboratory of Crystallography, University of Geneva, 24 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Laure Guénée
- Laboratory of Crystallography, University of Geneva, 24 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Liza Briant
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Homayoun Nozary
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
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Saloutin VI, Edilova YO, Kudyakova YS, Burgart YV, Bazhin DN. Heterometallic Molecular Architectures Based on Fluorinated β-Diketone Ligands. Molecules 2022; 27:7894. [PMID: 36431999 PMCID: PMC9695714 DOI: 10.3390/molecules27227894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/11/2022] [Accepted: 11/11/2022] [Indexed: 11/17/2022] Open
Abstract
This review summarizes the data on the synthesis of coordination compounds containing two or more different metal ions based on fluorinated β-diketonates. Heterometallic systems are of high interest in terms of their potential use in catalysis, medicine and diagnostics, as well as in the development of effective sensor devices and functional materials. Having a rich history in coordination chemistry, fluorinated β-diketones are well-known ligands generating a wide variety of heterometallic complexes. In this context, we focused on both the synthetic approaches to β-dicarbonyl ligands with additional coordination centers and their possible transformations in complexation reactions. The review describes bi- and polynuclear structures in which β-diketones are the key building blocks in the formation of a heterometallic framework, including the examples of both homo- and heteroleptic complexes.
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Affiliation(s)
- Viktor I. Saloutin
- Postovsky Institute of Organic Synthesis, The Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620108, Russia
| | - Yulia O. Edilova
- Postovsky Institute of Organic Synthesis, The Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620108, Russia
| | - Yulia S. Kudyakova
- Postovsky Institute of Organic Synthesis, The Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620108, Russia
| | - Yanina V. Burgart
- Postovsky Institute of Organic Synthesis, The Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620108, Russia
| | - Denis N. Bazhin
- Postovsky Institute of Organic Synthesis, The Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620108, Russia
- Department of Organic and Biomolecular Chemistry, Ural Federal University Named after the First President of Russia B.N. Yeltsin, Ekaterinburg 620002, Russia
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6
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Golesorkhi B, Naseri S, Guénée L, Taarit I, Alves F, Nozary H, Piguet C. Ligand-Sensitized Near-Infrared to Visible Linear Light Upconversion in a Discrete Molecular Erbium Complex. J Am Chem Soc 2021; 143:15326-15334. [PMID: 34498852 DOI: 10.1021/jacs.1c06865] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
While the low-absorption cross section of lanthanide-based upconversion systems, in which the trivalent lanthanides (Ln3+) are responsible for converting low- to high-energy photons, has restricted their application to intense incident light, the emergence of a cascade sensitization through an organic dye antenna capable of broadly harvesting near-infrared (NIR) light in upconversion nanoparticles opened new horizons in the field. With the aim of pushing molecular upconversion within the range of practical applications, we show herein how the incorporation of an NIR organic dye antenna into the ligand scaffold of a mononuclear erbium coordination complex boosts the upconversion brightness of the molecule to such an extent that a low-power (0.7 W·cm-2) NIR laser excitation of [L6Er(hfa)3]+ (hfa = hexafluoroacetylacetonate) at 801 nm results in a measurable visible upconverted signal in a dilute solution (5 × 10-4 M) at room temperature. Connecting the NIR dye antenna to the Er3+ activator in a single discrete molecule cures the inherent low-efficient metal-based excited-state absorption mechanism with a powerful indirect sensitization via an energy transfer upconversion, which drastically improves the molecular-based upconverted Er3+-centered visible emission.
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Affiliation(s)
- Bahman Golesorkhi
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland.,Department of Chemistry, University of California, Berkeley, 94720 Berkeley, California, United States
| | - Soroush Naseri
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Laure Guénée
- Laboratory of Crystallography, University of Geneva, 24 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Inès Taarit
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Filipe Alves
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Homayoun Nozary
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
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7
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Zabierowski PW, Jeannin O, Fix T, Guillemoles JF, Charbonnière LJ, Nonat AM. From Mono- to Polynuclear Coordination Complexes with a 2,2'-Bipyrimidine-4,4'-dicarboxylate Ligand. Inorg Chem 2021; 60:8304-8314. [PMID: 34015212 DOI: 10.1021/acs.inorgchem.1c00938] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The coordination properties of the ligand 2,2'-bipyrimidine-4,4'-dicarboxylic acid (H2bpd) with lanthanide(III) ions (Ln = Eu, Tb, or Lu) were investigated. The syntheses of the H2bpd ligand and its salts, [K2(bpd)(H2O)2] (1) and [(AlkNH)Lu(bpd)2] (Alk = Et, Hex, or en), are described. In the presence of LnCl3 salts (Ln = Lu, Eu, or Tb), the formation of [Ln(bpd)2]- and [Ln(bpd)(H2O)x]+ species was assessed by 1H nuclear magnetic resonance (NMR), spectrophotometry, and spectrofluorometric titrations in aqueous solution. The solid state structure of 1, [K(H2O)2][Lu(bpd)2] (2), and [(Et3NH)Lu(bpd)2] (3) could be determined by X-ray diffraction, showing the ligand to act as a tetradentate unit with formation of three five-membered chelate rings around the central Ln(III). With the aim of building polynuclear assemblies, the coordination between [Lu(bdp)2]- and [Lu(tta)3(H2O)] units (tta = thenoyltrifluoroacetylacetonate) was also investigated. In methanol, 1H NMR titration experiments revealed the formation of complex mixtures from which two new species could be identified, [Lu2(bpd)(tta)4] (4) and H[Lu(bpd)(tta)2] (5), as confirmed by their solid state structure analysis. Using highly lipophilic cations in chloroform, the octametallic complex [enH]4[Lu8(bpd)4(tta)18] (6) could be isolated and its X-ray structure determined.
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Affiliation(s)
- Piotr W Zabierowski
- Institut Photovoltaïque d'Ile-de-France 18, boulevard Thomas Gobert, 91120 Palaiseau, France.,Equipe de Synthèse pour l'Analyse, IPHC, UMR 7178 CNRS, Université de Strasbourg, ECPM, 25 rue Becquerel, 67087 Strasbourg Cedex, France.,ICube laboratory, CNRS and Université de Strasbourg, F-67037 Strasbourg, France
| | - Olivier Jeannin
- Institut des Sciences Chimiques de Rennes, UMR-CNRS 6226, 263 Avenue du Général Leclerc, CS 74205, F-35042 Rennes Cedex, France
| | - Thomas Fix
- ICube laboratory, CNRS and Université de Strasbourg, F-67037 Strasbourg, France
| | | | - Loïc J Charbonnière
- Equipe de Synthèse pour l'Analyse, IPHC, UMR 7178 CNRS, Université de Strasbourg, ECPM, 25 rue Becquerel, 67087 Strasbourg Cedex, France
| | - Aline M Nonat
- Equipe de Synthèse pour l'Analyse, IPHC, UMR 7178 CNRS, Université de Strasbourg, ECPM, 25 rue Becquerel, 67087 Strasbourg Cedex, France
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Xi L, Li H, Sun J, Ma Y, Tang J, Li L. Designing Multicoordinating Nitronyl Nitroxide Radical Toward Multinuclear Lanthanide Aggregates. Inorg Chem 2020; 59:443-451. [PMID: 31846321 DOI: 10.1021/acs.inorgchem.9b02739] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Profiting from a multicoordinating nitronyl nitroxide radical, i.e. a functionalized nitronyl nitroxide biradical ligand, a family of novel tetranuclear lanthanide complexes, formulated as [RE4(hfac)12(NITPhO-3Pybis)2] (RE = Gd 1, Tb 2, Dy 3, Ho 4, and Y 5; NITPhO-3Pybis = 5-(3-pyridinyloxy)-1,3-bis(1'-oxyl-3'-oxido-4',4',5',5'-tetramethyl-4,5-hydro-1H-imidazol-2-yl)benzene; hfac = hexafluoroacetylacetonate) were successfully constructed and characterized. In these complexes, the designed functionalized nitronyl nitroxide biradical ligand functions as the chelating and/or bridging ligand to bind the lanthanide ions, resulting in tetranuclear octa-spin lanthanide complexes with a circle-shaped arrangement. Direct-current magnetic data show that antiferromagnetic interaction dominates in the Gd derivative, while ferromagnetic coupling plays a leading role in complex Y, in which the relevant magnetic exchange parameters were obtained through applicable magnetic models. Dynamic magnetic studies of Tb and Dy analogues exhibit apparent frequency-dependent out-of-phase signals, which are typical features for slow magnetic relaxation behavior. The values of Ueff and τ0 were obtained as follows: Ueff = 10.5 K and τ0 = 6.6 × 10-7 s for the Tb complex and Ueff = 5.2 K and τ0 = 2.5 × 10-6 s for the Dy compound. Intriguingly, the butterfly shaped hysteresis loop is found for the Tb analogue. Guided by fluorescence spectra, the representative peaks are identified for the Tb derivative.
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Affiliation(s)
- Lu Xi
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Hongdao Li
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Juan Sun
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Yue Ma
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
| | - Jinkui Tang
- State Key Laboratory of Rare Earth Resource Utilization , Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022 , China
| | - Licun Li
- Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , China
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Xi L, Sun J, Wang K, Lu J, Jing P, Li L. Slow magnetic relaxation in CoII–LnIII heterodinuclear complexes achieved through a functionalized nitronyl nitroxide biradical. Dalton Trans 2020; 49:1089-1096. [DOI: 10.1039/c9dt04036f] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Five nitronyl nitroxide biradical-CoII–LnIII heterodinuclear complexes were achieved and the DyCo derivative displayed visible temperature/frequency-dependent χ′′ peaks, indicating the SMM behavior.
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Affiliation(s)
- Lu Xi
- Department of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
| | - Juan Sun
- Department of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
| | - Kang Wang
- Department of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
| | - Jiao Lu
- Department of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
| | - Pei Jing
- Department of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
| | - Licun Li
- Department of Chemistry
- Key Laboratory of Advanced Energy Materials Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
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10
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Cruz-Navarro A, Rivera JM, Durán-Hernández J, Castillo-Blum S, Flores-Parra A, Sánchez M, Hernández-Ahuactzi I, Colorado-Peralta R. Luminescence properties and DFT calculations of lanthanide(III) complexes (Ln = La, Nd, Sm, Eu, Gd, Tb, Dy) with 2,6-bis(5-methyl-benzimidazol-2-yl)pyridine. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.03.065] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Kumar J, Marydasan B, Nakashima T, Kawai T, Yuasa J. Chiral supramolecular polymerization leading to eye differentiable circular polarization in luminescence. Chem Commun (Camb) 2018; 52:9885-8. [PMID: 27405857 DOI: 10.1039/c6cc05022k] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This work demonstrates a simple methodology to tune the chiroptical properties of chiral europium(iii) complexes by supramolecular polymerization. Helical aggregation of the cesium derivative has updated the highest luminescence dissymmetry factor to date leading to naked eye visualization of circular polarized luminescence using circularly polarized filters.
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Affiliation(s)
- Jatish Kumar
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.
| | - Betsy Marydasan
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.
| | - Takuya Nakashima
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.
| | - Tsuyoshi Kawai
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.
| | - Junpei Yuasa
- Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara 630-0192, Japan. and A Precursory Research for Embryonic Science and Technology (PRESTO), Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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12
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Denis-Quanquin S, Riobé F, Delsuc MA, Maury O, Giraud N. Paramagnetic DOSY: An Accurate Tool for the Analysis of the Supramolecular Interactions between Lanthanide Complexes and Proteins. Chemistry 2016; 22:18123-18131. [DOI: 10.1002/chem.201603460] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Indexed: 01/27/2023]
Affiliation(s)
- Sandrine Denis-Quanquin
- Laboratoire de Chimie; UMR 5182, CNRS, Ecole Normale Supérieure de Lyon, Université de Lyon; 46 allée d'Italie 69007 Lyon France
| | - François Riobé
- Laboratoire de Chimie; UMR 5182, CNRS, Ecole Normale Supérieure de Lyon, Université de Lyon; 46 allée d'Italie 69007 Lyon France
| | - Marc-André Delsuc
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC); UMR 7104; 1 rue Laurent Fries, BP 10142 67404 Illkirch cedex France
| | - Olivier Maury
- Laboratoire de Chimie; UMR 5182, CNRS, Ecole Normale Supérieure de Lyon, Université de Lyon; 46 allée d'Italie 69007 Lyon France
| | - Nicolas Giraud
- Equipe RMN en milieu orienté, ICMMO, UMR CNRS 8182, Univ Paris Sud; Université Paris-Saclay; 91405 Orsay cedex France
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13
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Imai Y, Kawai T, Yuasa J. OFF-ON-OFF Dual Emission at Visible and UV Wavelengths from Carbazole Functionalized β-Diketonate Europium(III) Complex. J Phys Chem A 2016; 120:4131-8. [PMID: 27241957 DOI: 10.1021/acs.jpca.6b04414] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
This work demonstrates dual emission "OFF-ON-OFF" switching at visible and UV wavelengths of a carbazole functionalized β-diketone (LH) by a simple change of a europium(III) ion (Eu(3+)) concentration in the submicromolar concentration range. In the presence of 0.25 equiv of Eu(3+) (5 μM), LH forms a luminescent 4:1 complex ([Eu(3+)(L(-))4](-)) exhibiting dual emission at 357 and 613 nm resulting from the local excitation of the carbazole ring and ligand-sensitized luminescence from the Eu(3+)-β-diketonate unit, respectively. The 4:1 complex begins to convert into a 2:1 complex ([Eu(3+)(L(-))2](+)) via a 3:1 complex [Eu(3+)(L(-))3] above a molar ratio ([Eu(3+)]/[LH]) of 0.25, which provides the opportunity for binding of solvent methanol molecules to the vacant site of the Eu(3+) ion in the complex ([Eu(3+)(L(-))2(MeOH)n](+)). The OH oscillators of coordinated methanol molecules facilitate the nonradiative pathway of the Eu(3+) emission; hence the emission at 613 nm almost disappears above the 0.50 equivalent of Eu(3+) (11 μM), while the UV emission at 357 nm remains mostly constant over the whole concentration range.
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Affiliation(s)
- Yuki Imai
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Tsuyoshi Kawai
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan
| | - Junpei Yuasa
- Graduate School of Materials Science, Nara Institute of Science and Technology , 8916-5 Takayama, Ikoma, Nara 630-0192, Japan.,Precursory Research for Embryonic Science and Technology (PRESTO), Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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14
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Zinna F, Resta C, Abbate S, Castiglioni E, Longhi G, Mineo P, Di Bari L. Circularly polarized luminescence under near-UV excitation and structural elucidation of a Eu complex. Chem Commun (Camb) 2016; 51:11903-6. [PMID: 26112132 DOI: 10.1039/c5cc04283f] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
A new chiral diketonate ligand based on carvone binds early lanthanides. The Eu complex displays high circularly polarized (g(lum) = 0.82) red luminescence under near-UV excitation in the solid state. This is the first report on such CPL activity in the solid state with a rigorous protocol to exclude artifacts. Paramagnetic NMR spectroscopy revealed the nature and structure of the active species.
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Affiliation(s)
- Francesco Zinna
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Moruzzi 13, I-56126, Pisa, Italy.
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15
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Oyarzabal I, Artetxe B, Rodríguez-Diéguez A, García JÁ, Seco JM, Colacio E. A family of acetato-diphenoxo triply bridged dimetallic ZnIILnIII complexes: SMM behavior and luminescent properties. Dalton Trans 2016; 45:9712-26. [DOI: 10.1039/c6dt01327a] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new family of Zn–Ln complexes that show interesting magnetic (SIM) and luminescent properties has been synthesized and characterized.
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Affiliation(s)
- Itziar Oyarzabal
- Departamento de Química Aplicada
- Facultad de Química
- Universidad del País Vasco/Euskal Herriko Unibertsitatea UPV/EHU
- 20018 Donostia-San Sebastián
- Spain
| | - Beñat Artetxe
- Departamento de Química Inorgánica
- Facultad de Ciencia y Tecnología
- Universidad del País Vasco UPV/EHU
- 48080 Bilbao
- Spain
| | | | - José Ángel García
- Dpto. de Física Aplicada II
- Facultad de Ciencia y Tecnología
- Universidad del País Vasco UPV/EHU
- 48080 Bilbao
- Spain
| | - José Manuel Seco
- Departamento de Química Aplicada
- Facultad de Química
- Universidad del País Vasco/Euskal Herriko Unibertsitatea UPV/EHU
- 20018 Donostia-San Sebastián
- Spain
| | - Enrique Colacio
- Departamento de Química Inorgánica
- Facultad de Ciencias
- Universidad de Granada
- 18071 Granada
- Spain
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16
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Hoang TNY, Wang Z, Babel L, Nozary H, Borkovec M, Szilagyi I, Piguet C. Metal loading of lanthanidopolymers driven by positive cooperativity. Dalton Trans 2015; 44:13250-60. [DOI: 10.1039/c5dt01842k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The contraction of the lanthanidopolymers [L3N(Ln(hfac)3)m] (Ln is La, Eu or Y) observed upon metal loading with small lanthanides favours solvation in solution, a trend which induces positive cooperativity in the thermodynamic complexation process.
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Affiliation(s)
- Thi Nhu Y Hoang
- Department of Inorganic and Analytical Chemistry
- University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Zheng Wang
- Department of Inorganic and Analytical Chemistry
- University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Lucille Babel
- Department of Inorganic and Analytical Chemistry
- University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Homayoun Nozary
- Department of Inorganic and Analytical Chemistry
- University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Michal Borkovec
- Department of Inorganic and Analytical Chemistry
- University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Istvan Szilagyi
- Department of Inorganic and Analytical Chemistry
- University of Geneva
- CH-1211 Geneva 4
- Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry
- University of Geneva
- CH-1211 Geneva 4
- Switzerland
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17
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Zaïm A, Eliseeva SV, Guénée L, Nozary H, Petoud S, Piguet C. Lanthanide-to-Lanthanide Energy-Transfer Processes Operating in Discrete Polynuclear Complexes: Can Trivalent Europium Be Used as a Local Structural Probe? Chemistry 2014; 20:12172-82. [DOI: 10.1002/chem.201403206] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Indexed: 11/10/2022]
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18
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Yuasa J, Ueno H, Kawai T. Sign Reversal of a Large Circularly Polarized Luminescence Signal by the Twisting Motion of a Bidentate Ligand. Chemistry 2014; 20:8621-7. [DOI: 10.1002/chem.201402268] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Indexed: 12/22/2022]
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19
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Dupont D, Brullot W, Bloemen M, Verbiest T, Binnemans K. Selective uptake of rare earths from aqueous solutions by EDTA-functionalized magnetic and nonmagnetic nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2014; 6:4980-4988. [PMID: 24641094 DOI: 10.1021/am406027y] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Magnetic (Fe3O4) and nonmagnetic (SiO2 and TiO2) nanoparticles were decorated on their surface with N-[(3-trimethoxysilyl)propyl]ethylenediamine triacetic acid (TMS-EDTA). The aim was to investigate the influence of the substrate on the behavior of these immobilized metal coordinating groups. The nanoparticles functionalized with TMS-EDTA were used for the adsorption and separation of trivalent rare-earth ions from aqueous solutions. The general adsorption capacity of the nanoparticles was very high (100 to 400 mg/g) due to their large surface area. The heavy rare-earth ions are known to have a higher affinity for the coordinating groups than the light rare-earth ions but an additional difference in selectivity was observed between the different nanoparticles. The separation of pairs of rare-earth ions was found to be dependent on the substrate, namely the density of EDTA groups on the surface. The observation that sterical hindrance (or crowding) of immobilized ligands influences the selectivity could provide a new tool for the fine-tuning of the coordination ability of traditional chelating ligands.
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Affiliation(s)
- David Dupont
- Molecular Design and Synthesis, Department of Chemistry, KU Leuven , Celestijnenlaan 200F, P.O. Box 2404, B-3001 Heverlee, Belgium
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20
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Babel L, Hoang TNY, Nozary H, Salamanca J, Guénée L, Piguet C. Lanthanide loading of luminescent multi-tridentate polymers under thermodynamic control. Inorg Chem 2014; 53:3568-78. [PMID: 24444086 DOI: 10.1021/ic4030525] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
This work illustrates the use of basic statistical mechanics for rationalizing the loading of linear multitridentate polymers with trivalent lanthanides, Ln(III), and identifies the specific ionic sizes of europium and yttrium as promising candidates for the further design of organized heterometallic f–f′ materials. Using [Ln(hfac)3] (hfac = hexafluoroacetylacetonate) as lanthanide carriers, the thermodynamically controlled formation of Wolf type-II lanthanidopolymers [{Ln(hfac)3}m(L4)] is modeled with the help of two simple microscopic descriptors: (i) the intrinsic affinity of Ln(III) for the tridentate binding sites fN3(Ln) and (ii) the intermetallic interactions ΔE1–2(Ln,Ln) operating between two occupied adjacent sites. Selective complexation (fN3La << fN3Eu > fN3(Y)) modulated by anticooperative interactions (ΔE1–2(La,La) ≃ ΔE1–2(Eu,Eu) > ΔE1–2(Y,Y) ≈ 0) favors the fixation of Eu(III) in semiorganized lanthanidopolymers [{Eu(hfac)3}m(L4)] displaying exploitable light-downshifting.
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Affiliation(s)
- Lucille Babel
- Department of Inorganic, Analytical and Applied Chemistry, University of Geneva , 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
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21
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Wang YL, Gu B, Ma Y, Xing C, Wang QL, Li LC, Cheng P, Liao DZ. A new D2d-symmetry DyIII mononuclear single-molecule magnet containing a monodentate N-heterocyclic donor ligand. CrystEngComm 2014. [DOI: 10.1039/c3ce42212g] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
By adopting pyrazole to the system of Ln(hfac)3·2H2O with the strong electron-withdrawing effect, a D2d-symmetry DyIII mononuclear single-molecule magnet containing a monodentate N-heterocyclic ligand was designed and synthesized.
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Affiliation(s)
- Ya-Li Wang
- Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL of Metal and Molecule Based Material Chemistry
- Nankai University
- Tianjin 300071, China
| | - Bin Gu
- Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL of Metal and Molecule Based Material Chemistry
- Nankai University
- Tianjin 300071, China
| | - Yue Ma
- Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL of Metal and Molecule Based Material Chemistry
- Nankai University
- Tianjin 300071, China
| | - Cui Xing
- Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL of Metal and Molecule Based Material Chemistry
- Nankai University
- Tianjin 300071, China
| | - Qing-Lun Wang
- Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL of Metal and Molecule Based Material Chemistry
- Nankai University
- Tianjin 300071, China
| | - Li-Cun Li
- Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL of Metal and Molecule Based Material Chemistry
- Nankai University
- Tianjin 300071, China
| | - Peng Cheng
- Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL of Metal and Molecule Based Material Chemistry
- Nankai University
- Tianjin 300071, China
| | - Dai-Zheng Liao
- Department of Chemistry and Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL of Metal and Molecule Based Material Chemistry
- Nankai University
- Tianjin 300071, China
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22
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Andreiadis ES, Gauthier N, Imbert D, Demadrille R, Pécaut J, Mazzanti M. Lanthanide complexes based on β-diketonates and a tetradentate chromophore highly luminescent as powders and in polymers. Inorg Chem 2013; 52:14382-90. [PMID: 24261703 DOI: 10.1021/ic402523v] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A new type of octacoordinated ternary β-diketonates complexes of terbium and europium has been prepared using the anionic tetradentate terpyridine-carboxylate ligand (L) as a sensitizer of lanthanide luminescence in combination with two β-diketonates ligands 2-thenoyltrifluoroacetyl-acetonate (tta(-)) for Eu(3+) and trifluoroacetylacetonate (tfac(-)) for Tb(3+). The solid state structures of the two complexes [Tb(L)(tfac)2] (1) and [Eu(L)(tta)2] (2) have been determined by X-ray crystallography. Photophysical and (1)H NMR indicate a high stability of these complexes with respect to ligand dissociation in solution. The use of the anionic tetradentate ligand in combination with two β-diketonates ligands leads to the extension of the absorption window toward the visible region (390 nm) and to high luminescence quantum yield for the europium complex in the solid state (Φ = 66(6)%). Furthermore, these complexes have been incorporated in polymer matrixes leading to highly luminescent flexible layers.
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Affiliation(s)
- Eugen S Andreiadis
- CEA-Grenoble , INAC, SCIB, Laboratoire de Reconnaissance Ionique et Chimie de Coordination, UMR-E 3 CEA-UJF, 38054 Grenoble Cedex 9, France
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23
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Zhou JM, Shi W, Xu N, Cheng P. Highly Selective Luminescent Sensing of Fluoride and Organic Small-Molecule Pollutants Based on Novel Lanthanide Metal–Organic Frameworks. Inorg Chem 2013; 52:8082-90. [DOI: 10.1021/ic400770j] [Citation(s) in RCA: 285] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jing-Min Zhou
- Department of Chemistry, Key Laboratory
of Advanced Energy Materials Chemistry (MOE), Nankai University, Tianjin 300071, People’s Republic
of China
| | - Wei Shi
- Department of Chemistry, Key Laboratory
of Advanced Energy Materials Chemistry (MOE), Nankai University, Tianjin 300071, People’s Republic
of China
| | - Na Xu
- Department of Chemistry, Key Laboratory
of Advanced Energy Materials Chemistry (MOE), Nankai University, Tianjin 300071, People’s Republic
of China
| | - Peng Cheng
- Department of Chemistry, Key Laboratory
of Advanced Energy Materials Chemistry (MOE), Nankai University, Tianjin 300071, People’s Republic
of China
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24
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Wang YL, Ma Y, Yang X, Tang J, Cheng P, Wang QL, Li LC, Liao DZ. Syntheses, Structures, and Magnetic and Luminescence Properties of a New DyIII-Based Single-Ion Magnet. Inorg Chem 2013; 52:7380-6. [DOI: 10.1021/ic400006n] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ya-Li Wang
- Department
of Chemistry and
Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL
of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300071, P.R. China
| | - Yue Ma
- Department
of Chemistry and
Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL
of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300071, P.R. China
| | - Xi Yang
- Department
of Chemistry and
Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL
of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300071, P.R. China
| | - Jinkui Tang
- State Key Laboratory of Rare
Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P.R.
China
| | - Peng Cheng
- Department
of Chemistry and
Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL
of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300071, P.R. China
| | - Qing-Lun Wang
- Department
of Chemistry and
Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL
of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300071, P.R. China
| | - Li-Cun Li
- Department
of Chemistry and
Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL
of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300071, P.R. China
| | - Dai-Zheng Liao
- Department
of Chemistry and
Key Laboratory of Advanced Energy Materials Chemistry (MOE) and TKL
of Metal and Molecule Based Material Chemistry, Nankai University, Tianjin 300071, P.R. China
- State Key Laboratory
of Physical
Chemistry of Solid Surface, Xiamen University, Xiamen 361005, P.R. China
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