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Mattei CA, Dhbaibi K, Lefeuvre B, Dorcet V, Argouarch G, Cador O, Le Guennic B, Maury O, Lalli C, Guy S, Bensalah-Ledoux A, Riobé F, Baguenard B, Pointillart F. Circularly polarized luminescence of Eu(III) complexes with chiral 1,1'-bi-2-naphtol-derived bisphosphate ligands. Chirality 2021; 34:34-47. [PMID: 34750861 DOI: 10.1002/chir.23392] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/15/2021] [Accepted: 10/23/2021] [Indexed: 11/08/2022]
Abstract
The interest for lanthanide circularly polarized luminescence (CPL) has been quickly growing for 10 years. However, very few of these studies have involved correlation between the dissymmetry factor (glum ) and the chemical modifications in a series of chiral ligands. Four polymeric compounds of Eu(III) were prepared by using a series of binaphtyl derivatives for which the size of the π system as well as the number of stereogenic elements (i.e., the binaphtyl moiety) are modulated. The resulting {[Eu(hfac)3 ((S)/(R)-Lx )]}n (x = 1 and 3) and {[Eu(hfac)3 ((S,S,S)/(R,R,R)-Lx )]}n (x = 2 and 4) have been characterized by powder X-ray diffraction by comparison with the X-ray structures on single crystal of the Dy(III) analogs. In solution, the structure of the complexes is deeply modified and becomes monomeric. The nature of the ligand induces change in the shape of the CPL spectra in CH2 Cl2 solution. Furthermore, a large |glum | = 0.12 of the magnetic-dipole transition for the [Eu(hfac)3 ((S,S,S)/(R,R,R)-L2 )] complex involving the ligand with three stereogenic elements and an extended 𝜋 system has been measured. This report also shows CPL measurements in solid state for the series of {[Eu(hfac)3 ((S)/(R)-Lx )]}n (x = 1 and 3) and {[Eu(hfac)3 ((S,S,S)/(R,R,R)-Lx )]}n (x = 2 and 4) polymers.
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Affiliation(s)
- Carlo Andrea Mattei
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Univ Rennes, Rennes, France
| | - Kais Dhbaibi
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Univ Rennes, Rennes, France
| | - Bertrand Lefeuvre
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Univ Rennes, Rennes, France
| | - Vincent Dorcet
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Univ Rennes, Rennes, France
| | - Gilles Argouarch
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Univ Rennes, Rennes, France
| | - Olivier Cador
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Univ Rennes, Rennes, France
| | - Boris Le Guennic
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Univ Rennes, Rennes, France
| | - Olivier Maury
- ENS de Lyon, CNRS UMR 5182, Laboratoire de Chimie, Univ Lyon, Lyon, France
| | - Claudia Lalli
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Univ Rennes, Rennes, France
| | - Stéphan Guy
- CNRS, UMR 5306, Institut Lumière Matière, Univ Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Amina Bensalah-Ledoux
- CNRS, UMR 5306, Institut Lumière Matière, Univ Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - François Riobé
- ENS de Lyon, CNRS UMR 5182, Laboratoire de Chimie, Univ Lyon, Lyon, France
| | - Bruno Baguenard
- CNRS, UMR 5306, Institut Lumière Matière, Univ Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Fabrice Pointillart
- CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, Univ Rennes, Rennes, France
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2
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Hay MA, Boskovic C. Lanthanoid Complexes as Molecular Materials: The Redox Approach. Chemistry 2021; 27:3608-3637. [PMID: 32965741 DOI: 10.1002/chem.202003761] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Indexed: 11/05/2022]
Abstract
The development of molecular materials with novel functionality offers promise for technological innovation. Switchable molecules that incorporate redox-active components are enticing candidate compounds due to their potential for electronic manipulation. Lanthanoid metals are most prevalent in their trivalent state and usually redox-activity in lanthanoid complexes is restricted to the ligand. The unique electronic and physical properties of lanthanoid ions have been exploited for various applications, including in magnetic and luminescent materials as well as in catalysis. Lanthanoid complexes are also promising for applications reliant on switchability, where the physical properties can be modulated by varying the oxidation state of a coordinated ligand. Lanthanoid-based redox activity is also possible, encompassing both divalent and tetravalent metal oxidation states. Thus, utilization of redox-active lanthanoid metals offers an attractive opportunity to further expand the capabilities of molecular materials. This review surveys both ligand and lanthanoid centered redox-activity in pre-existing molecular systems, including tuning of lanthanoid magnetic and photophysical properties by modulating the redox states of coordinated ligands. Ultimately the combination of redox-activity at both ligands and metal centers in the same molecule can afford novel electronic structures and physical properties, including multiconfigurational electronic states and valence tautomerism. Further targeted exploration of these features is clearly warranted, both to enhance understanding of the underlying fundamental chemistry, and for the generation of a potentially important new class of molecular material.
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Affiliation(s)
- Moya A Hay
- School of Chemistry, University of Melbourne, Victoria, 3010, Australia
| | - Colette Boskovic
- School of Chemistry, University of Melbourne, Victoria, 3010, Australia
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Richardson P, Marin R, Zhang Y, Gabidullin B, Ovens J, Moilanen JO, Murugesu M. Asymmetric Ring Opening in a Tetrazine-Based Ligand Affords a Tetranuclear Opto-Magnetic Ytterbium Complex. Chemistry 2021; 27:2361-2370. [PMID: 32926489 DOI: 10.1002/chem.202003556] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 09/13/2020] [Indexed: 12/15/2022]
Abstract
We report the formation of a tetranuclear lanthanide cluster, [Yb4 (bpzch)2 (fod)10 ] (1), which occurs from a serendipitous ring opening of the functionalised tetrazine bridging ligand, bpztz (3,6-dipyrazin-2-yl-1,2,4,5-tetrazine) upon reacting with Yb(fod)3 (fod- =6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octandionate). Compound 1 was structurally elucidated via single-crystal X-ray crystallography and subsequently magnetically and spectroscopically characterised to analyse its magnetisation dynamics and its luminescence behaviour. Computational studies validate the observed MJ energy levels attained by spectroscopy and provides a clearer picture of the slow relaxation of the magnetisation dynamics and relaxation pathways. These studies demonstrate that 1 acts as a single-molecule magnet (SMM) under an applied magnetic field in which the relaxation occurs via a combination of Raman, direct, and quantum tunnelling processes, a behaviour further rationalised analysing the luminescent properties. This marks the first lanthanide-containing molecule that forms by means of an asymmetric tetrazine decomposition.
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Affiliation(s)
- Paul Richardson
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, ON, K1N 6N5, Canada
| | - Riccardo Marin
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, ON, K1N 6N5, Canada
| | - Yixin Zhang
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, ON, K1N 6N5, Canada
| | - Bulat Gabidullin
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, ON, K1N 6N5, Canada
| | - Jeffrey Ovens
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, ON, K1N 6N5, Canada
| | - Jani O Moilanen
- Department of Chemistry, Nanoscience Centre, University of Jyväskylä, P.O. Box 35, 40014, Jyväskylä, Finland
| | - Muralee Murugesu
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, 10 Marie-Curie Pvt., Ottawa, ON, K1N 6N5, Canada
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Capel Berdiell I, Kulmaczewski R, Warriner SL, Cespedes O, Halcrow MA. Iron and Silver Complexes of 4‐(Imidazol‐1‐yl)‐2,6‐di(pyrazol‐1‐yl)‐pyridine (
L
), Including a [Fe
3
(µ‐F)
2
F
6
L
8
]
+
Assembly. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000782] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
| | | | | | - Oscar Cespedes
- School of Physics and Astronomy University of Leeds EC Stoner Building LS2 9JT Leeds UK
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Balasooriya D, Liu B, He H, Sykes A, May PS. A conjugated porphyrin as a red-light sensitizer for near-infrared emission of ytterbium(iii) ion. NEW J CHEM 2020. [DOI: 10.1039/d0nj04910g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A conjugated porphyrin with broader absorption in the visible region was synthesized for sensitizing the near-infrared emission of ytterbium(iii) ions.
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Affiliation(s)
- Dinesh Balasooriya
- Department of Chemistry and Biochemistry
- Eastern Illinois University
- Charleston
- USA
| | - Beibei Liu
- Department of Chemistry and Biochemistry
- Eastern Illinois University
- Charleston
- USA
| | - Hongshan He
- Department of Chemistry and Biochemistry
- Eastern Illinois University
- Charleston
- USA
| | - Andew Sykes
- Department of Chemistry
- University of South Dakota
- Vermillion
- USA
| | - P. Stanley May
- Department of Chemistry
- University of South Dakota
- Vermillion
- USA
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6
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Cador O, Le Guennic B, Ouahab L, Pointillart F. Decorated Tetrathiafulvalene-Based Ligands: Powerful Chemical Tools for the Design of Single-Molecule Magnets. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900981] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Olivier Cador
- ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes, CNRS; F-35000 Rennes France
| | - Boris Le Guennic
- ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes, CNRS; F-35000 Rennes France
| | - Lahcène Ouahab
- ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes, CNRS; F-35000 Rennes France
| | - Fabrice Pointillart
- ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226; Univ Rennes, CNRS; F-35000 Rennes France
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7
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Brunet G, Marin R, Monk MJ, Resch-Genger U, Gálico DA, Sigoli FA, Suturina EA, Hemmer E, Murugesu M. Exploring the dual functionality of an ytterbium complex for luminescence thermometry and slow magnetic relaxation. Chem Sci 2019; 10:6799-6808. [PMID: 31391901 PMCID: PMC6657417 DOI: 10.1039/c9sc00343f] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 05/27/2019] [Indexed: 12/14/2022] Open
Abstract
We present a comprehensive investigation of the magnetic and optical properties of an ytterbium complex, which combines two desirable and practical features into a single molecular system. Based upon YbIII ions that promote near-infrared optical activity and a chemical backbone that is ideal for an in-depth understanding of the magnetic behaviour, we have designed a multifunctional opto-magnetic species that operates as a luminescent thermometer and as a single-molecule magnet (SMM). Our magnetic investigations, in conjunction with ab initio calculations, reveal one of the highest energy barriers reported for an YbIII-based complex. Moreover, we correlate this anisotropic barrier with the emission spectrum of the compound, wherein we provide a complete assignment of the energetic profile of the complex. Such studies lay the foundation for the design of exciting multi-faceted materials that are able to retain information at the single-molecule level and possess built-in thermal self-monitoring capabilities.
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Affiliation(s)
- Gabriel Brunet
- Department of Chemistry and Biomolecular Sciences , University of Ottawa , 10 Marie Curie , Ottawa , ON K1N 6N5 , Canada .
| | - Riccardo Marin
- Department of Chemistry and Biomolecular Sciences , University of Ottawa , 10 Marie Curie , Ottawa , ON K1N 6N5 , Canada .
| | - Melissa-Jane Monk
- Federal Institute for Materials Research and Testing (BAM) , Division Biophotonics , Richard-Willstaetter-Strasse 11 , 12489 Berlin , Germany
| | - Ute Resch-Genger
- Federal Institute for Materials Research and Testing (BAM) , Division Biophotonics , Richard-Willstaetter-Strasse 11 , 12489 Berlin , Germany
| | - Diogo A Gálico
- Institute of Chemistry - University of Campinas - UNICAMP , School of Chemistry , P.O. Box 6154 , Campinas , Sao Paulo 13083-970 , Brazil
| | - Fernando A Sigoli
- Institute of Chemistry - University of Campinas - UNICAMP , School of Chemistry , P.O. Box 6154 , Campinas , Sao Paulo 13083-970 , Brazil
| | | | - Eva Hemmer
- Department of Chemistry and Biomolecular Sciences , University of Ottawa , 10 Marie Curie , Ottawa , ON K1N 6N5 , Canada .
| | - Muralee Murugesu
- Department of Chemistry and Biomolecular Sciences , University of Ottawa , 10 Marie Curie , Ottawa , ON K1N 6N5 , Canada .
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8
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Stetsiuk O, Petrusenko SR, El-Ghayoury A, Kokozay VN, Avarvari N. Tetrathiafulvalene Schiff base Cu(II) 1D coordination polymer upon a metallo-ligand approach. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.09.059] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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9
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Speed S, Feng M, Fernandez Garcia G, Pointillart F, Lefeuvre B, Riobé F, Golhen S, Le Guennic B, Totti F, Guyot Y, Cador O, Maury O, Ouahab L. Lanthanide complexes involving multichelating TTF-based ligands. Inorg Chem Front 2017. [DOI: 10.1039/c6qi00546b] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The TTF-based skeleton could be alkylated with either the di(pyrazol-1-yl)-4-pyridyl (L1) or dimethyl-2,2′-bipyridine (L2) to design multichelating ligands. The ([Yb2(hfac)6(L1)]·2(CH2Cl2)·C6H14 (1) and [Ln2(hfac)6(L2)]·CH2Cl2 (Ln = Yb (2) and Dy (3)) complexes which display either SMM behaviour with the hysteresis loop at 0.5 K or multi-NIR emissions.
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10
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He H, Bosonetta JD, Wheeler KA, May SP. Sisters together: co-sensitization of near-infrared emission of ytterbium(iii) by BODIPY and porphyrin dyes. Chem Commun (Camb) 2017; 53:10120-10123. [DOI: 10.1039/c7cc05437h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A ytterbium(iii) complex with a BODIPY and a porphyrin as co-sensitizers emits strongly at 978 nm over a broader excitation window between 450–560 nm.
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Affiliation(s)
- Hongshan He
- Department of Chemistry
- Eastern Illinois University
- Charleston
- USA
| | | | | | - Stanley P. May
- Department of Chemistry
- University of South Dakota
- Vermillion
- USA
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11
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Douib H, Pointillart F, Lefeuvre B, Golhen S, Cador O, Le Guennic B, Gouasmia A, Ouahab L. Structural and Physical Investigations of Coordination Complexes Involving Pyridylethylenedithio–Tetrathiafulvalene Ligands Decorated with Cyanoethylsulfanyl and Cyanoethylselanyl Moieties. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201601241] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Haiet Douib
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS‐Université de Rennes 1 263 Avenue du Général Leclerc 35042 Rennes Cedex France
- Laboratoire des Matériaux Organiques et Hétérochimie (LMOH) Département des sciences de la matière Université Larbi Tébessi de Tébessa Route de Constantine 12002 Tébessa Algérie
| | - Fabrice Pointillart
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS‐Université de Rennes 1 263 Avenue du Général Leclerc 35042 Rennes Cedex France
| | - Bertrand Lefeuvre
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS‐Université de Rennes 1 263 Avenue du Général Leclerc 35042 Rennes Cedex France
| | - Stéphane Golhen
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS‐Université de Rennes 1 263 Avenue du Général Leclerc 35042 Rennes Cedex France
| | - Olivier Cador
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS‐Université de Rennes 1 263 Avenue du Général Leclerc 35042 Rennes Cedex France
| | - Boris Le Guennic
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS‐Université de Rennes 1 263 Avenue du Général Leclerc 35042 Rennes Cedex France
| | - Abdelkrim Gouasmia
- Laboratoire des Matériaux Organiques et Hétérochimie (LMOH) Département des sciences de la matière Université Larbi Tébessi de Tébessa Route de Constantine 12002 Tébessa Algérie
| | - Lahcène Ouahab
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS‐Université de Rennes 1 263 Avenue du Général Leclerc 35042 Rennes Cedex France
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12
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Cui L, Lv ZP, Leong CF, Ru J, D'Alessandro DM, Song Y, Zuo JL. Chiral heterobimetallic chains from a dicyanideferrite building block including a π-conjugated TTF annulated ligand. Dalton Trans 2016; 45:16575-16584. [PMID: 27334408 DOI: 10.1039/c6dt01756h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The π-conjugated tetrathiafulvalene (TTF) annulated ligand was introduced into a dicyanometallate for the first time, leading to the synthesis of the versatile redox-active dicyanideferrite building block [(n-Bu)4N][Fe(TTFbp)(CN)2] (H2TTFbp = N-(2-(4,5-bis(methylthio)-1,3-dithiol-2-ylidene)-5-(picolinamido) benzo[d][1,3]dithiol-6-yl) picol inamide). The incorporation of the new precursor with chiral MnIII Schiff-base complexes resulted in two enantiopure one-dimensional complexes, [Mn((R,R)-salphen)Fe(TTFbp)(CN)2]n (2-(RR)) and [Mn((S,S)-salphen)Fe(TTFbp)(CN)2]n (2-(SS)) (Salphen = N,N'-1,2-diphenylethylene-bis(salicylideneiminato) dianion), which were synthesized and structurally characterized. Circular dichroism (CD) and vibrational circular dichroism (VCD) spectra confirmed the enantiomeric nature of the optically active complexes, and structural analyses revealed the formation of neutral cyanide-bridged double chains in 2-(RR) and 2-(SS). Solution and solid state CV studies revealed the redox-active characteristics of the complexes. Antiferromagnetic couplings were detected between FeIII and MnIII centers within a chain, and a field-induced magnetic phase transition was observed (TN = 4.8 K). The introduction of electroactivity and chirality into cyanide-bridged complexes with interesting magnetic properties leads the way towards new multifunctional materials.
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Affiliation(s)
- Long Cui
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, P. R. China.
| | - Zhong-Peng Lv
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, P. R. China.
| | - Chanel F Leong
- School of Chemistry, The University of Sydney, New South Wales 2006, Australia
| | - Jing Ru
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, P. R. China.
| | | | - You Song
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, P. R. China.
| | - Jing-Lin Zuo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, P. R. China.
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13
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Niu WY, Sun JW, Yan PF, Li YX, An GH, Li GM. 2D l
-Di-toluoyl-tartaric acid Lanthanide Coordination Polymers: Toward Single-component White-Light and NIR Luminescent Materials. Chem Asian J 2015; 11:555-60. [DOI: 10.1002/asia.201501191] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 11/25/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Wan-Ying Niu
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), P. R. China; School of Chemistry and Materials Science; Heilongjiang University; Harbin 150080 P. R. China
| | - Jing-Wen Sun
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), P. R. China; School of Chemistry and Materials Science; Heilongjiang University; Harbin 150080 P. R. China
| | - Peng-Fei Yan
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), P. R. China; School of Chemistry and Materials Science; Heilongjiang University; Harbin 150080 P. R. China
| | - Yu-Xin Li
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), P. R. China; School of Chemistry and Materials Science; Heilongjiang University; Harbin 150080 P. R. China
| | - Guang-Hui An
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), P. R. China; School of Chemistry and Materials Science; Heilongjiang University; Harbin 150080 P. R. China
| | - Guang-Ming Li
- Key Laboratory of Functional Inorganic Material Chemistry (MOE), P. R. China; School of Chemistry and Materials Science; Heilongjiang University; Harbin 150080 P. R. China
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Magnetic and Photo-Physical Properties of Lanthanide Dinuclear Complexes Involving the 4,5-Bis(2-Pyridyl-N-Oxidemethylthio)-4′,5′-Dicarboxylic Acid-Tetrathiafulvalene-, Dimethyl Ester Ligand. INORGANICS 2015. [DOI: 10.3390/inorganics3040554] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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15
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Feng M, Speed S, Pointillart F, Lefeuvre B, Le Guennic B, Golhen S, Cador O, Ouahab L. Dysprosium‐ and Ytterbium‐Based Complexes Involving Tetrathiafulvalene Derivatives Functionalised with 2,2′‐Bipyridine or 2,6‐Di(pyrazol‐1‐yl)‐4‐pyridine. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201501145] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Min Feng
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS – Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France, http://www.scienceschimiques.univ‐rennes1.fr
| | - Saskia Speed
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS – Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France, http://www.scienceschimiques.univ‐rennes1.fr
| | - Fabrice Pointillart
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS – Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France, http://www.scienceschimiques.univ‐rennes1.fr
| | - Bertrand Lefeuvre
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS – Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France, http://www.scienceschimiques.univ‐rennes1.fr
| | - Boris Le Guennic
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS – Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France, http://www.scienceschimiques.univ‐rennes1.fr
| | - Stéphane Golhen
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS – Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France, http://www.scienceschimiques.univ‐rennes1.fr
| | - Olivier Cador
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS – Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France, http://www.scienceschimiques.univ‐rennes1.fr
| | - Lahcène Ouahab
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS – Université de Rennes 1, 263 Avenue du Général Leclerc, 35042 Rennes Cedex, France, http://www.scienceschimiques.univ‐rennes1.fr
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Pointillart F, le Guennic B, Cador O, Maury O, Ouahab L. Lanthanide ion and tetrathiafulvalene-based ligand as a "magic" couple toward luminescence, single molecule magnets, and magnetostructural correlations. Acc Chem Res 2015; 48:2834-42. [PMID: 26492407 DOI: 10.1021/acs.accounts.5b00296] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The synthesis of molecules featuring different properties is a perpetual challenge for the chemists' community. The coexistence and even more the synergy of those properties open new perspectives in the field of molecular devices and molecular electronics. In that sense, coordination chemistry contributed to the development of new functional molecules through, for instance, single-molecule magnets (SMMs) and light emitting molecules with potential applications in high capacity data storage and OLEDs, respectively. The appealing combination of both electronic properties into one single object may offer the possibility to have magnetized luminescent entities at nanometric scale. To that end, lanthanides seem to be one of the key ingredients since their peculiar electronic structures endow them with specific magnetic and luminescence properties. Indeed, lanthanides cover a wide range of emission wavelengths, from infrared to UV, which add up to a large variety of magnetic behaviors, from the fully isotropic spin (e.g., Gd(III)) to highly anisotropic magnetic moments (e.g., Dy(III)). In lanthanide complexes, ligands play a fundamental role because on one hand they govern the orientation of the magnetic moment of anisotropic lanthanides and on the other hand they can sensitize efficiently the luminescence. The design of appropriate organic ligands to elaborate such chemical objects with the desired property appears to be essential but remains a perpetual challenge. In this Account, we describe the design of lanthanide-based complexes that emit light, behave as SMMs, or combine both properties. We have paid peculiar attention to the design of ligands based on the tetrathiafulvalene (TTF) moiety. TTF and its derivatives are well-known chemical entities, stable at different oxidation states, and employed mainly in the synthesis of molecular conductors and superconductors. In addition to their redox properties, TTF-based derivatives act as organic chromophores for the sensitization of visible and near-infrared (NIR) luminescence of lanthanides. The mechanism of sensitization involves either antenna effect (energy transfer from the excited state) or photoinduced electron transfer. TTF-based ligands act also as structural agents in the conception of SMM in crystals. Such objects are obtained with the highly anisotropic Dy(III) ion in crystalline phase as well as in frozen solution with magnetic memory at helium-4 temperature (4 K). We highlight the influence of the magnetic dilution (both in amorphous solution and in diamagnetic crystalline matrix) and, particular case of dysprosium based SMMs, the effect of metal-centered isotope enrichment on the SMM properties. Our aim is not only to realize functional molecules but to rationalize both luminescence and magnetic properties on the basis of the structure of the molecules. These two properties are intimately intricate and governed by the electronic structure, which can be calculated and interpreted using modern quantum chemistry tools.
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Affiliation(s)
- Fabrice Pointillart
- Institut
des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Cedex Rennes, France
| | - Boris le Guennic
- Institut
des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Cedex Rennes, France
| | - Olivier Cador
- Institut
des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Cedex Rennes, France
| | - Olivier Maury
- Laboratoire
de Chimie, UMR 5182 CNRS-ENS Lyon, Université Lyon 1, 46 Allée
d’Italie, 69364 Cedex 07 Lyon, France
| | - Lahcène Ouahab
- Institut
des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Cedex Rennes, France
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17
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Pointillart F, Jung J, Berraud-Pache R, Le Guennic B, Dorcet V, Golhen S, Cador O, Maury O, Guyot Y, Decurtins S, Liu SX, Ouahab L. Luminescence and single-molecule magnet behavior in lanthanide complexes involving a tetrathiafulvalene-fused dipyridophenazine ligand. Inorg Chem 2015; 54:5384-97. [PMID: 25965094 DOI: 10.1021/acs.inorgchem.5b00441] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The reaction between the TTF-fused dipyrido[3,2-a:2',3'-c]phenazine (dppz) ligand (L) and 1 equiv of Ln(hfac)3·2H2O (hfac(-) = 1,1,1,5,5,5-hexafluoroacetyacetonate) or 1 equiv of Ln(tta)3·2H2O (tta(-) = 2-thenoyltrifluoroacetonate) (Ln(III) = Dy(III) or Yb(III)) metallic precursors leads to four mononuclear complexes of formula [Ln(hfac)3(L)]·C6H14 (Ln(III) = Dy(III) (1), Yb(III) (2)) and [Ln(tta)3(L)]·C6H14 (Ln(III) = Dy(III) (3), Yb(III) (4)), respectively. Their X-ray structures reveal that the Ln(III) ion is coordinated to the bischelating nitrogenated coordination site and adopts a D4d coordination environment. The dynamic magnetic measurements show a slow relaxation of the Dy(III) magnetization for 1 and 3 with parameters highlighting a slower relaxation for 3 than for 1 (τ0 = 4.14(±1.36) × 10(-6) and 1.32(±0.07) × 10(-6) s with Δ = 39(±3) and 63.7(±0.7) K). This behavior as well as the orientation of the associated magnetic anisotropy axes have been rationalized on the basis of both crystal field splitting parameters and ab initio SA-CASSCF/RASSI-SO calculations. Irradiation of the lowest-energy HOMO → LUMO ILCT absorption band induces a (2)F5/2 → (2)F7/2 Yb-centered emission for 2 and 4. For these Yb(III) compounds, Stevens operators method has been used to fit the thermal variation of the magnetic susceptibilities, and the resulting MJ splittings have been correlated with the emission lines.
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Affiliation(s)
- Fabrice Pointillart
- †Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, 35042 Rennes Cedex, France
| | - Julie Jung
- †Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, 35042 Rennes Cedex, France
| | - Romain Berraud-Pache
- †Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, 35042 Rennes Cedex, France
| | - Boris Le Guennic
- †Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, 35042 Rennes Cedex, France
| | - Vincent Dorcet
- †Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, 35042 Rennes Cedex, France
| | - Stéphane Golhen
- †Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, 35042 Rennes Cedex, France
| | - Olivier Cador
- †Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, 35042 Rennes Cedex, France
| | - Olivier Maury
- §Laboratoire de Chimie, l'ENS-LYON-UMR 5182, 46 Allée d'Italie, 69364 Lyon Cedex 07, France
| | - Yannick Guyot
- ∥Institut Lumière Matière, UMR 5306 CNRS-Université de Lyon 1, 10 rue Ada Byron, 69622 Villeurbanne Cedex, France
| | - Silvio Decurtins
- ‡Departement für Chemie und Biochemie, Universität Bern, Freiestrasse 3, CH-3012 Bern, Switzerland
| | - Shi-Xia Liu
- ‡Departement für Chemie und Biochemie, Universität Bern, Freiestrasse 3, CH-3012 Bern, Switzerland
| | - Lahcène Ouahab
- †Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, 35042 Rennes Cedex, France
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18
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Feng M, Pointillart F, Lefeuvre B, Dorcet V, Golhen S, Cador O, Ouahab L. Multiple Single-Molecule Magnet Behaviors in Dysprosium Dinuclear Complexes Involving a Multiple Functionalized Tetrathiafulvalene-Based Ligand. Inorg Chem 2015; 54:4021-8. [DOI: 10.1021/acs.inorgchem.5b00272] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Min Feng
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Rennes Cedex, France
| | - Fabrice Pointillart
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Rennes Cedex, France
| | - Bertrand Lefeuvre
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Rennes Cedex, France
| | - Vincent Dorcet
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Rennes Cedex, France
| | - Stéphane Golhen
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Rennes Cedex, France
| | - Olivier Cador
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Rennes Cedex, France
| | - Lahcène Ouahab
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1, Université de Rennes 1, 35042 Rennes Cedex, France
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Soussi K, Jung J, Pointillart F, Le Guennic B, Lefeuvre B, Golhen S, Cador O, Guyot Y, Maury O, Ouahab L. Magnetic and photo-physical investigations into DyIII and YbIII complexes involving tetrathiafulvalene ligand. Inorg Chem Front 2015. [DOI: 10.1039/c5qi00087d] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three TTF-based complexes have been elaborated using β-diketonate DyIII and YbIII precursors. [Yb(tta)3(L)]·2CH2Cl2 enlarges the scarce series of redox-active luminescent single-molecule magnets with correlation between emissive and magnetic properties.
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Affiliation(s)
- K. Soussi
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1
- Université de Rennes 1
- 35042 Rennes Cedex
- France
| | - J. Jung
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1
- Université de Rennes 1
- 35042 Rennes Cedex
- France
| | - F. Pointillart
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1
- Université de Rennes 1
- 35042 Rennes Cedex
- France
| | - B. Le Guennic
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1
- Université de Rennes 1
- 35042 Rennes Cedex
- France
| | - B. Lefeuvre
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1
- Université de Rennes 1
- 35042 Rennes Cedex
- France
| | - S. Golhen
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1
- Université de Rennes 1
- 35042 Rennes Cedex
- France
| | - O. Cador
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1
- Université de Rennes 1
- 35042 Rennes Cedex
- France
| | - Y. Guyot
- Université Claude Bernard Lyon 1
- Institut Lumière Matière
- UMR 5306 CNRS-Université Lyon 1
- 69622 Villeurbanne Cedex
- France
| | - O. Maury
- Laboratoire de Chimie de l'ENS-LYON-UMR 5182
- 69364 Lyon Cedex 07
- France
| | - L. Ouahab
- Institut des Sciences Chimiques de Rennes UMR 6226 CNRS-UR1
- Université de Rennes 1
- 35042 Rennes Cedex
- France
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