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Dhaka A, Jeon IR, Fourmigué M. Selective Activation of Chalcogen Bonding: An Efficient Structuring Tool toward Crystal Engineering Strategies. Acc Chem Res 2024; 57:362-374. [PMID: 38275221 DOI: 10.1021/acs.accounts.3c00674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
ConspectusAmong the noncovalent interactions available in the toolbox of crystal engineering, chalcogen bonding (ChB) has recently entered the growing family of σ-hole interactions, following the strong developments based on the halogen bonding (XB) interaction over the last 30 years. The monovalent character of halogens provides halogen bonding directionality and strength. Combined with the extensive organic chemistry of Br and I derivatives, it has led to many applications of XB, in solution (organo-catalysis, anion recognition and transport), in the solid state (cocrystals, conducting materials, fluorescent materials, topochemical reactions, ...), in soft matter (liquid crystals, gels,···), and in biochemistry. The recognition of the presence of two σ-holes on divalent chalcogens and the ability to activate them, as in XB, with electron-withdrawing groups (EWG) has fueled more recent interest in chalcogen bonding. However, despite being identified for many years, ChB still struggles to make a mark due to (i) the underdeveloped synthetic chemistry of heavier Se and Te; (ii) the limited stability of organic chalcogenides, especially tellurides; and (iii) the poor predictability of ChB associated with the presence of two σ-holes. It therefore invites a great deal of attention of molecular chemists to design and develop selected ChB donors, for the scrutiny of fundamentals of ChB and their successful use in different applications. This Account aims to summarize our own contributions in this direction that extend from fundamental studies focused on addressing the lack of directionality/predictability in ChB to a systematic demonstration of its potential, specifically in crystal engineering, and particularly toward anionic networks on the one hand, topochemical reactions on the other hand.In this Account, we share our recent results aimed at recovering with ChB the same degree of strength and predictability found with XB, by focusing on divalent Se and Te systems with two different substituents, one of them with an EWG, to strongly unbalance both σ-holes. For that purpose, we explored this dissymmetrization concept within three chemical families, selenocyanates R-SeCN, alkynyl derivatives R-C≡C-(Se/Te)Me, and o-carborane derivatives. Such compounds were systematically engaged in cocrystals with either halides or neutral bipyridines as ChB acceptors, revealing their strong potential to chelate halides as well as their ability to organize reactive molecules such as alkenes and butadiynes toward [2+2] cycloadditions and polydiacetylene formation, respectively. This selective activation concept is not limited to ChB but can be effectively used on all other σ-hole interactions (pnictogen bond, tetrel bond, etc.) where one needs to control the directionality of the interaction.
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Affiliation(s)
- Arun Dhaka
- Univ Rennes, CNRS, ISCR - UMR 6226 (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35042 Rennes, France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR - UMR 6226 (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35042 Rennes, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR - UMR 6226 (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35042 Rennes, France
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Beau M, Jeannin O, Fourmigué M, Aubert E, Espinosa E, Lee S, Han WS, Jeon IR. Carborane-based heteromolecular extended networks driven by directional C-Te⋯N chalcogen bonding interactions. Chem Commun (Camb) 2023; 59:13727-13730. [PMID: 37909258 DOI: 10.1039/d3cc04338j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
We demonstrate that o-closo-(TeMe)2carborane directs, in the presence of linear ditopic neutral Lewis bases, the formation of co-crystals with 1D extended supramolecular networks. Specifically, the network formation is systematically stabilized by short and quasi-linear C-Te⋯N chalcogen-bonding (ChB) interactions. In sum, we report efficient carborane-based tectons to rationally design high-dimensional neutral heteromolecular networks.
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Affiliation(s)
- Maxime Beau
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, Rennes 35000, France.
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, Rennes 35000, France.
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, Rennes 35000, France.
| | | | | | - Sunhee Lee
- Department of Chemistry, Seoul Women's University, Seoul 01797, Republic of Korea
| | - Won-Sik Han
- Department of Chemistry, Seoul Women's University, Seoul 01797, Republic of Korea
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, Rennes 35000, France.
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Ritchhart A, Chen Z, Behera A, Jeon IR, Chapman KW, Vaikuntanathan S, Anderson JS. Cluster-Spin-Glass Magnetic Behavior and Morphology in the Coordination Polymer Alloys Fe yCo 1-yBTT. J Am Chem Soc 2023; 145:24089-24097. [PMID: 37876220 DOI: 10.1021/jacs.3c07527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
We report the synthesis of a series of pseudo-1D coordination polymer (CP) materials with the formula FeyCo1-yBTT (BTT = 1,3,5-benzenetrithiolate). These materials were structurally characterized by PXRD Rietveld, EXAFS, and PDF analyses, revealing that the CP superstructure enables a continuous and isomorphous alloy between the two homometallic compounds. Lower Fe loadings exhibit emergent spin glass magnetic behavior, such as memory effects and composition-dependent spin glass response time constants ranging from 6.9 × 10-9 s to 1.8 × 10-6 s. These data are consistent with the formation of spin clusters within the lattice. The magnetic behavior in these materials was modeled via replica exchange Monte Carlo simulation, which provides a good match for the experimentally measured spin glassing and magnetic phase transitions. These findings underscore how the rigid superstructure of CP and MOF scaffolds can enable the systematic tuning of physical properties, such as the spin glass behavior described here.
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Affiliation(s)
- Andrew Ritchhart
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Zhihengyu Chen
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Agnish Behera
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Ie-Rang Jeon
- Université de Rennes, Institut des Sciences Chimiques de Rennes, UMR CNRS 6226, 35042 Rennes, France
| | - Karena W Chapman
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | | | - John S Anderson
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
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Ritchhart A, Filatov AS, Jeon IR, Anderson JS. Structure and Magnetic Properties of Pseudo-1D Chromium Thiolate Coordination Polymers. Inorg Chem 2023; 62:2817-2825. [PMID: 36728752 DOI: 10.1021/acs.inorgchem.2c03991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The synthesis, structure, and magnetic properties of two novel, pseudo-one-dimensional (1D) chromium thiolate coordination polymers (CPs), CrBTT and Cr2BDT3, are reported. The structures of these materials were determined using X-ray powder diffraction revealing highly symmetric 1D chains embedded within a CP framework. The magnetic coupling of this chain system was measured by SQUID magnetometry, revealing a switch from antiferromagnetic to ferromagnetic behavior dictated by the angular geometrical constraints within the CP scaffold consistent with the Goodenough-Kanamori-Anderson rules. Intrachain magnetic coupling constants JNN of -32.0 and +5.7 K were found for CrBTT and Cr2BDT3, respectively, using the 1D Bonner-Fisher model of magnetism. The band structure of these materials has also been examined by optical spectroscopy and density functional theory calculations revealing semiconducting behavior. Our findings here demonstrate how CP scaffolds can support idealized low-dimensional structural motifs and dictate magnetic interactions through tuning of geometry and inter-spin couplings.
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Affiliation(s)
- Andrew Ritchhart
- Department of Chemistry, University of Chicago, Chicago, Illinois60637, United States
| | - Alexander S Filatov
- Department of Chemistry, University of Chicago, Chicago, Illinois60637, United States
| | - Ie-Rang Jeon
- Université de Rennes, Institut des Sciences Chimiques de Rennes, UMR CNRS 6226, 35042Rennes, France
| | - John S Anderson
- Department of Chemistry, University of Chicago, Chicago, Illinois60637, United States
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Dhaka A, Jeon IR, Jeannin O, Aubert E, Espinosa E, Fourmigué M. Topochemical Polymerization of a Diacetylene in a Chalcogen-Bonded (ChB) Assembly. Angew Chem Int Ed Engl 2022; 61:e202116650. [PMID: 35014139 DOI: 10.1002/anie.202116650] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Indexed: 01/01/2023]
Abstract
The successful topochemical polymerization of bis(selenocyanatomethyl)butadyine 1 is achieved upon association in a 1 : 1 co-crystal with 1,2-bis(2-pyridyl)ethylene (2-bpen) through strong and linear (NC)-Se⋅⋅⋅NPy chalcogen bonding (ChB) interactions, allowing for an appropriate parallel alignment of the diacetylene moieties toward the solid-state reaction. Co-crystal 1⋅(2-bpen) undergoes polymerization upon heating at 100 °C. The reaction progress was monitored by IR, DSC and PXRD. An enhancement of the polymer conductivity by 8 orders of magnitude is observed upon iodine doping. Strikingly, the course of polymerization is accompanied with sublimation of the ChB acceptor molecules 2-bpen, providing the polymer in a pure form with full recovery of the co-former, at variance with the usual hydrogen-bonded co-crystal strategies toward polydiacetylenes.
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Affiliation(s)
- Arun Dhaka
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) UMR 6226, 35042, Rennes, France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) UMR 6226, 35042, Rennes, France
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) UMR 6226, 35042, Rennes, France
| | - Emmanuel Aubert
- Laboratoire CRM2, UMR CNRS 7036, Institut Jean Barriol, Université de Lorraine, BP 70239, 54506, Vandoeuvre-les-Nancy, France
| | - Enrique Espinosa
- Laboratoire CRM2, UMR CNRS 7036, Institut Jean Barriol, Université de Lorraine, BP 70239, 54506, Vandoeuvre-les-Nancy, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) UMR 6226, 35042, Rennes, France
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Beau M, Jeannin O, Fourmigué M, Auban-Senzier P, Barrière F, Jeon IR. Oxidation-induced activation of chalcogen bonding in redox-active bis(selenomethyl)tetrathiafulvalene derivatives. CrystEngComm 2022. [DOI: 10.1039/d2ce01168a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tetrathiafulvalene, upon its oxidation, activates Se-atoms and consequently drives a strong and directional chalcogen bonding interaction with a bromide anion.
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Affiliation(s)
- Maxime Beau
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
| | - Pascale Auban-Senzier
- Laboratoire de Physique des Solides UMR 8502 CNRS-Université Paris-Saclay, Bat 510, 91405 Orsay cedex, France
| | - Frédéric Barrière
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
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Dhaka A, Jeannin O, Aubert E, Espinosa E, Fourmigué M, Jeon IR. N-chlorobenzimidazoles as efficient and structurally diverse amphoteric halogen bond donors in crystal engineering. Chem Commun (Camb) 2022; 58:10825-10828. [DOI: 10.1039/d2cc03971k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The ability of amphoteric N-chlorobenzimidazoles to self-associate into 1D chains through strong and linear N−Cl•••N halogen bond interactions is demonstrated. Less polarisable Cl atom is strongly activated thanks to the...
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Dhaka A, Jeannin O, Jeon IR, Aubert E, Espinosa E, Fourmigué M. Activating chalcogen bonding in alkylseleno/alkyltelluro acetylenes: helical arrangements and crystal engineering strategies. Acta Crystallogr A Found Adv 2021. [DOI: 10.1107/s0108767321091042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Beau M, Lee S, Kim S, Han WS, Jeannin O, Fourmigué M, Aubert E, Espinosa E, Jeon IR. Strong σ-Hole Activation on Icosahedral Carborane Derivatives for a Directional Halide Recognition. Angew Chem Int Ed Engl 2021; 60:366-370. [PMID: 32926491 DOI: 10.1002/anie.202010462] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Indexed: 12/14/2022]
Abstract
Crystal engineering based on σ-hole interactions is an emerging approach for realization of new materials with higher complexity. Neutral inorganic clusters derived from 1,2-dicarba-closo-dodecaborane, substituted with -SeMe, -TeMe, and -I moieties on both skeletal carbon vertices are experimentally demonstrated herein as outstanding chalcogen- and halogen-bond donors. In particular, these new molecules strongly interact with halide anions in the solid-state. The halide ions are coordinated by one or two donor groups (μ1 - and μ2 -coordinations), to stabilize a discrete monomer or dimer motifs to 1D supramolecular zig-zag chains. Crucially, the observed chalcogen bond and halogen bond interactions feature remarkably short distances and high directionality. Electrostatic potential calculations further demonstrate the efficiency of the carborane derivatives, with Vs,max being similar or even superior to that of reference organic halogen-bond donors, such as iodopentafluorobenzene.
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Affiliation(s)
- Maxime Beau
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Sunhee Lee
- Department of Chemistry, Seoul Women's University, Seoul, 01797, Republic of Korea
| | - Sooyeon Kim
- Department of Chemistry, Seoul Women's University, Seoul, 01797, Republic of Korea
| | - Won-Sik Han
- Department of Chemistry, Seoul Women's University, Seoul, 01797, Republic of Korea
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Emmanuel Aubert
- Laboratoire CRM2, UMR CNRS 7036, Institut Jean Barriol, Université de Lorraine, BP 70239, 54506, Vandoeuvre-lès-Nancy, France
| | - Enrique Espinosa
- Laboratoire CRM2, UMR CNRS 7036, Institut Jean Barriol, Université de Lorraine, BP 70239, 54506, Vandoeuvre-lès-Nancy, France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
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Dhaka A, Jeannin O, Jeon IR, Aubert E, Espinosa E, Fourmigué M. Activating Chalcogen Bonding (ChB) in Alkylseleno/Alkyltelluroacetylenes toward Chalcogen Bonding Directionality Control. Angew Chem Int Ed Engl 2020; 59:23583-23587. [PMID: 32940957 DOI: 10.1002/anie.202011981] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Indexed: 12/14/2022]
Abstract
Activation of a deep electron-deficient area on chalcogen atoms (Ch=Se, Te) is demonstrated in alkynyl chalcogen derivatives, in the prolongation of the (C≡)C-Ch bond. The solid-state structures of 1,4-bis(methylselenoethynyl)perfluorobenzene (1Se) show the formation of recurrent chalcogen-bonded (ChB) motifs. Association of 1Se and the tellurium analogue 1Te with 4,4'-bipyridine and with the stronger Lewis base 1,4-di(4-pyridyl)piperazine gives 1:1 co-crystals with 1D extended structures linked by short and directional ChB interactions, comparable to those observed with the corresponding halogen bond (XB) donor, 1,4-bis(iodoethynyl)-perfluorobenzene. This "alkynyl" approach for chalcogen activation provides the crystal-engineering community with efficient, and neutral ChB donors for the elaboration of supramolecular 1D (and potentially 2D or 3D) architectures, with a degree of strength and predictability comparable to that of halogen bonding in iodoacetylene derivatives.
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Affiliation(s)
- Arun Dhaka
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) UMR 6226, 35042, Rennes, France
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) UMR 6226, 35042, Rennes, France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) UMR 6226, 35042, Rennes, France
| | - Emmanuel Aubert
- Laboratoire CRM2, UMR CNRS 7036, Institut Jean Barriol, Université de Lorraine, BP 70239, 54506, Vandoeuvre-les-Nancy, France
| | - Enrique Espinosa
- Laboratoire CRM2, UMR CNRS 7036, Institut Jean Barriol, Université de Lorraine, BP 70239, 54506, Vandoeuvre-les-Nancy, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) UMR 6226, 35042, Rennes, France
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Beau M, Jeannin O, Lee S, Barrière F, Fourmigué M, Jeon IR. Activating both Halogen and Chalcogen Bonding Interactions in Cation Radical Salts of Iodinated Tetrathiafulavalene Derivatives. Chempluschem 2020; 85:2136-2142. [PMID: 32856428 DOI: 10.1002/cplu.202000500] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/23/2020] [Indexed: 11/10/2022]
Abstract
Halogen bonding (XB) interactions are investigated in cation radical salts of bis(methylthio)-5,5'-diiodotetrathiafulvalene (1). Electrocrystallization of 1 in the presence of Bu4 NCl affords a 1 : 1 salt formulated as (E-1)Cl. Particularly strong I⋅⋅⋅Cl- XB interactions are observed around the Cl- anion with the distances at 78 % the sum of the van der Waals radii, a consequence of the XB charge activation in the cation radical. Moreover, the Cl- environment is complemented by two extra S⋅⋅⋅Cl- chalcogen bonding (ChB) interactions, an original feature among reported halide salts of TTF derivatives. Electrostatic potential calculations on the cation radical further demonstrate the efficient activation of the S atoms of the 1,3-dithiole rings (Vs,max =87.2 kcal/mol), as strong as with the iodine atoms (Vs,max =87.9 kcal/mol). The radical cations form weakly dimerized stacks, as confirmed by the variable-temperature magnetic susceptibility and the weak conductivity (4.8×10-5 S cm-1 ).
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Affiliation(s)
- Maxime Beau
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Sunhee Lee
- Department of Chemistry, Seoul Women's University, Seoul, 01797 (Republic of, Korea
| | - Frédéric Barrière
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
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Kiyota Y, Jeon IR, Jeannin O, Beau M, Kawamoto T, Alemany P, Canadell E, Mori T, Fourmigué M. Electronic engineering of a tetrathiafulvalene charge-transfer salt via reduced symmetry induced by combined substituents. Phys Chem Chem Phys 2019; 21:22639-22646. [PMID: 31592522 DOI: 10.1039/c9cp04320a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A 1 : 1 metallic charge-transfer salt is obtained by cosublimation of (Z,E)-(SMe)2Me2TTF and TCNQ. X-ray diffraction studies confirm the formation of segregated stacks comprising donor and acceptor molecules in [(E)-(SMe)2Me2TTF](TCNQ). The crystal packing features lateral SS interactions between TTF stacks, which is in sharp contrast to that in (TTF)(TCNQ). Structural analysis and theoretical studies afford a partial charge-transfer (ρ ≈ 0.52), leading to a system with the electronic structure close to quarter-filled. Resistivity measurements reveal that this material behaves as a metal down to 56 K and 22 K at 1 bar and 14.9 kbar, respectively. The thermopower is negative in the metallic regime, indicating the dominant role of the acceptor stacks for the observed conducting behavior. Analysis of single-crystal EPR spectra shows the remaining spin susceptibility at 4.3 K, suggesting the importance of the Hubbard U correction. These results highlight the judicious engineering of electronic and geometrical effects on the TTF core; the combined use of methyl and thiomethyl groups has decreased the TCNQ bandwidth while maintaining the segregated stacks, converting the metal to insulator (M-I) transition to more 4kF like. In addition, the enhanced SS contacts between the TTF stacks lead to more rapidly decreasing M-I transition temperature under various pressures.
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Affiliation(s)
- Yasuhiro Kiyota
- Department of Materials Science and Engineering, Tokyo Institute of Technology, O-okayama 2-12-1, Meguro-ku, Tokyo 152-8552, Japan
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Kawamura A, Filatov AS, Anderson JS, Jeon IR. Slow Magnetic Relaxation of Co(II) Single Chains Embedded within Metal–Organic Superstructures. Inorg Chem 2019; 58:3764-3773. [DOI: 10.1021/acs.inorgchem.8b03347] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Airi Kawamura
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Alexander S. Filatov
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - John S. Anderson
- Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, United States
| | - Ie-Rang Jeon
- Univ. Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, F-35000 Rennes, France
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Aguilà D, Jeannin O, Fourmigué M, Jeon IR. Mn III-Fe III Heterometallic Compounds within Hydrogen-Bonded Supramolecular Networks Promoted by an [Fe(CN) 5(CNH)] 2- Building Block: Structural and Magnetic Properties. Inorg Chem 2018; 57:7892-7903. [PMID: 29894171 DOI: 10.1021/acs.inorgchem.8b00983] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The reaction of [Fe(CN)6]3- and [Mn(acacen)]+ (H2acacen = N, N'-bis(acetylacetone)ethylenediamine) building units in the presence of supramolecular cations, [(F-Anil)(18-crown-6)]+ (F-Anil+ = 3-fluoroanilinium) or [(Me-F-Anil)(18-crown-6)]+ (Me-F-Anil+ = 3-fluoro-4-methylanilinium), affords two new bimetallic compounds, [(F-Anil)(18-crown-6)][Mn(acacen)Fe(CN)5(CNH)]·MeOH (1) and [(Me-F-Anil)(18-crown-6)][Mn(acacen)(MeOH)Fe(CN)5(CNH)]·MeOH (2), respectively. Compound 1 exhibits a one-dimensional topology, while compound 2 is a dinuclear discrete system due to the coordination of a MeOH molecule at the axial position of the [Mn(acacen)]- unit. For both systems, the acidity of the corresponding supramolecular cation triggers the protonation of the FeIII moiety as [Fe(CN)5(CNH)]2-. Moreover, the resulting -CNH ligand induces hydrogen bonding interactions connecting the chains for 1 or the molecules for 2 into higher dimensional supramolecular networks. Magnetic properties of compounds incorporating these [Fe(CN)5(CNH)]2- building blocks were, for the first time, thoroughly investigated, indicating a three-dimensional antiferromagnetic order of single-chain magnets for 1 and an antiferromagnetically interacting S = 3/2 spin ground state for 2.
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Affiliation(s)
- David Aguilà
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226 , 35000 Rennes , France
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226 , 35000 Rennes , France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226 , 35000 Rennes , France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226 , 35000 Rennes , France
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15
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Jeon IR, Jeannin O, Clérac R, Rouzières M, Fourmigué M. Spin-state modulation of molecular Fe III complexes via inclusion in halogen-bonded supramolecular networks. Chem Commun (Camb) 2018; 53:4989-4992. [PMID: 28425508 DOI: 10.1039/c7cc01943b] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The cationic complex [Fe(qsal)2]+ (Hqsal = N-(8-quinolyl)salicylaldimine) is encapsulated in anionic halogen-bonded 1D and 2D networks derived from sym-triiodotrifluorobenzene, [(C6F3I3)Cl]- and [(C6F3I3)I]-. Structural analysis and magnetic measurements show that the spin-state of this complex can be modulated by its inclusion in supramolecular host frameworks.
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Affiliation(s)
- Ie-Rang Jeon
- Institut des Sciences Chimiques de Rennes, Université de Rennes 1 & CNRS UMR 6226, Campus Beaulieu, 35042 Rennes, France.
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16
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Jeon IR, Mathonière C, Clérac R, Rouzières M, Jeannin O, Trzop E, Collet E, Fourmigué M. Photoinduced reversible spin-state switching of an Fe III complex assisted by a halogen-bonded supramolecular network. Chem Commun (Camb) 2018; 53:10283-10286. [PMID: 28868544 DOI: 10.1039/c7cc03797j] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The organization of a molecular FeIII complex embedded in a halogen-bonded 2D network is chemically tuned to trigger temperature- and light-induced spin-state switching. We attribute the associated magnetic properties and the unprecedented photoswitching effect to the optimized structural confinement provided by the presence of the supramolecular host framework.
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Affiliation(s)
- Ie-Rang Jeon
- Institut des Sciences Chimiques de Rennes, Université de Rennes 1 & CNRS UMR 6226, Campus Beaulieu, 35042 Rennes, France.
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17
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DeGayner JA, Jeon IR, Sun L, Dincă M, Harris TD. 2D Conductive Iron-Quinoid Magnets Ordering up to Tc = 105 K via Heterogenous Redox Chemistry. J Am Chem Soc 2017; 139:4175-4184. [DOI: 10.1021/jacs.7b00705] [Citation(s) in RCA: 164] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jordan A. DeGayner
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3313, United States
| | - Ie-Rang Jeon
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3313, United States
| | - Lei Sun
- Department
of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307, United States
| | - Mircea Dincă
- Department
of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307, United States
| | - T. David Harris
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3313, United States
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18
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Jeon IR, Sun L, Negru B, Van Duyne RP, Dincă M, Harris TD. Solid-State Redox Switching of Magnetic Exchange and Electronic Conductivity in a Benzoquinoid-Bridged MnII Chain Compound. J Am Chem Soc 2016; 138:6583-90. [DOI: 10.1021/jacs.6b02485] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ie-Rang Jeon
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - Lei Sun
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307, United States
| | - Bogdan Negru
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - Richard P. Van Duyne
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - Mircea Dincă
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307, United States
| | - T. David Harris
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
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19
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Abstract
A [3Fe–3(μ-S)]3+ cluster is reported in which each ferric center has a distorted trigonal pyramidal geometry, with an S = 1/2 ground state for the cluster and unusually anisotropic hyperfine coupling constants as determined by variable temperature magnetometry and Mössbauer spectroscopy.
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Affiliation(s)
- Yousoon Lee
- Department of Chemistry
- Center for Catalysis
- University of Florida
- Gainesville
- USA
| | - Ie-Rang Jeon
- Department of Chemistry
- Northwestern University
- Evanston
- USA
| | - Khalil A. Abboud
- Department of Chemistry
- Center for Catalysis
- University of Florida
- Gainesville
- USA
| | | | - Jason Shearer
- Department of Chemistry
- University of Nevada
- Reno
- Reno
- USA
| | - Leslie J. Murray
- Department of Chemistry
- Center for Catalysis
- University of Florida
- Gainesville
- USA
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20
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Visinescu D, Alexandru MG, Madalan AM, Jeon IR, Mathonière C, Clérac R, Andruh M. A new family of [CuIILnIIIMV] heterotrimetallic complexes (Ln = La, Gd, Tb; M = Mo, W): model systems to probe exchange interactions and single-molecule magnet properties. Dalton Trans 2016; 45:7642-9. [DOI: 10.1039/c6dt00614k] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Four 3d–4f–4(5)d heterotrimetallic complexes, [L2CuLn(H2O)5(μ-NC)M(CN)7], were obtained from the association of the binuclear 3d–4f complexes and {MV(CN)8}3− metalloligands.
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Affiliation(s)
- Diana Visinescu
- Coordination and Supramolecular Chemistry Laboratory
- Institute of Physical Chemistry “Ilie Murgulescu”
- Romanian Academy
- 060021 Bucharest
- Romania
| | - Maria-Gabriela Alexandru
- Inorganic Chemistry Laboratory
- Faculty of Chemistry
- University of Bucharest
- 020464 Bucharest
- Romania
| | - Augustin M. Madalan
- Inorganic Chemistry Laboratory
- Faculty of Chemistry
- University of Bucharest
- 020464 Bucharest
- Romania
| | | | | | | | - Marius Andruh
- Inorganic Chemistry Laboratory
- Faculty of Chemistry
- University of Bucharest
- 020464 Bucharest
- Romania
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21
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Jeon IR, David Harris T. An S = 12 semiquinoid radical-bridged Mn6wheel complex assembled from an asymmetric redox-active bridging ligand. Chem Commun (Camb) 2016; 52:1006-8. [DOI: 10.1039/c5cc08482b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The asymmetric redox-active ligand 4,5-bis(pyridine-2-carboxamido)-1,2-catechol (N,OLH4) is synthesized and metalated to afford theS= 12 semiquinoid radical-bridged wheel complex [MnII6(N,OL3−˙)6]6−.
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Affiliation(s)
- Ie-Rang Jeon
- Department of Chemistry
- Northwestern University
- Evanston
- USA
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22
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Jeon IR, Negru B, Van Duyne RP, Harris TD. A 2D Semiquinone Radical-Containing Microporous Magnet with Solvent-Induced Switching from Tc = 26 to 80 K. J Am Chem Soc 2015; 137:15699-702. [PMID: 26573055 DOI: 10.1021/jacs.5b10382] [Citation(s) in RCA: 130] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The incorporation of tetraoxolene radical bridging ligands into a microporous magnetic solid is demonstrated. Metalation of the redox-active bridging ligand 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone (LH2) with Fe(II) affords the solid (Me2NH2)2[Fe2L3]·2H2O·6DMF. Analysis of X-ray diffraction, Raman spectra, and Mössbauer spectra confirm the presence of Fe(III) centers with mixed-valence ligands of the form (L3)(8-) that result from a spontaneous electron transfer from Fe(II) to L(2-). Upon removal of DMF and H2O solvent molecules, the compound undergoes a slight structural distortion to give the desolvated phase (Me2NH2)2[Fe2L3], and a fit to N2 adsorption data of this activated compound gives a BET surface area of 885(105) m(2)/g. Dc magnetic susceptibility measurements reveal a spontaneous magnetization below 80 and 26 K for the solvated and the activated solids, respectively, with magnetic hysteresis up to 60 and 20 K. These results highlight the ability of redox-active tetraoxolene ligands to support the formation of a microporous magnet and provide the first example of a structurally characterized extended solid that contains tetraoxolene radical ligands.
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Affiliation(s)
- Ie-Rang Jeon
- Department of Chemistry, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - Bogdan Negru
- Department of Chemistry, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - Richard P Van Duyne
- Department of Chemistry, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
| | - T David Harris
- Department of Chemistry, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208-3113, United States
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23
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DeGayner JA, Jeon IR, Harris TD. A series of tetraazalene radical-bridged M 2 (M = Cr III, Mn II, Fe II, Co II) complexes with strong magnetic exchange coupling. Chem Sci 2015; 6:6639-6648. [PMID: 29435213 PMCID: PMC5802272 DOI: 10.1039/c5sc02725j] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Accepted: 08/17/2015] [Indexed: 11/21/2022] Open
Abstract
The ability of tetraazalene radical bridging ligands to mediate exceptionally strong magnetic exchange coupling across a range of transition metal complexes is demonstrated. The redox-active bridging ligand N,N',N'',N'''-tetra(2-methylphenyl)-2,5-diamino-1,4-diiminobenzoquinone (NMePhLH2) was metalated to give the series of dinuclear complexes [(TPyA)2M2(NMePhL2-)]2+ (TPyA = tris(2-pyridylmethyl)amine, M = MnII, FeII, CoII). Variable-temperature dc magnetic susceptibility data for these complexes reveal the presence of weak superexchange interactions between metal centers, and fits to the data provide coupling constants of J = -1.64(1) and -2.16(2) cm-1 for M = MnII and FeII, respectively. One-electron reduction of the complexes affords the reduced analogues [(TPyA)2M2(NMePhL3-˙)]+. Following a slightly different synthetic procedure, the related complex [(TPyA)2CrIII2(NMePhL3-˙)]3+ was obtained. X-ray diffraction, cyclic voltammetry, and Mössbauer spectroscopy indicate the presence of radical NMePhL3-˙ bridging ligands in these complexes. Variable-temperature dc magnetic susceptibility data of the radical-bridged species reveal the presence of strong magnetic interactions between metal centers and ligand radicals, with simulations to data providing exchange constants of J = -626(7), -157(7), -307(9), and -396(16) cm-1 for M = CrIII, MnII, FeII, and CoII, respectively. Moreover, the strength of magnetic exchange in the radical-bridged complexes increases linearly with decreasing M-L bond distance in the oxidized analogues. Finally, ac magnetic susceptibility measurements reveal that [(TPyA)2Fe2(NMePhL3-˙)]+ behaves as a single-molecule magnet with a relaxation barrier of Ueff = 52(1) cm-1. These results highlight the ability of redox-active tetraazalene bridging ligands to enable dramatic enhancement of magnetic exchange coupling upon redox chemistry and provide a rare opportunity to examine metal-radical coupling trends across a transmetallic series of complexes.
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Affiliation(s)
- Jordan A DeGayner
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , IL , USA 60208-3113 .
| | - Ie-Rang Jeon
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , IL , USA 60208-3113 .
| | - T David Harris
- Department of Chemistry , Northwestern University , 2145 Sheridan Road , Evanston , IL , USA 60208-3113 .
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24
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Gaudette AI, Jeon IR, Anderson JS, Grandjean F, Long GJ, Harris TD. Electron Hopping through Double-Exchange Coupling in a Mixed-Valence Diiminobenzoquinone-Bridged Fe2 Complex. J Am Chem Soc 2015; 137:12617-26. [DOI: 10.1021/jacs.5b07251] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Alexandra I. Gaudette
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Ie-Rang Jeon
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - John S. Anderson
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Fernande Grandjean
- Department
of Chemistry, Missouri University of Science and Technology, University of Missouri, Rolla, Missouri 65409-0010, United States
| | - Gary J. Long
- Department
of Chemistry, Missouri University of Science and Technology, University of Missouri, Rolla, Missouri 65409-0010, United States
| | - T. David Harris
- Department
of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
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25
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Park JG, Jeon IR, Harris TD. Electronic Effects of Ligand Substitution on Spin Crossover in a Series of Diiminoquinonoid-Bridged FeII2 Complexes. Inorg Chem 2014; 54:359-69. [DOI: 10.1021/ic5025586] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jesse G. Park
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Ie-Rang Jeon
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - T. David Harris
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208-3113, United States
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26
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Koumousi ES, Jeon IR, Gao Q, Dechambenoit P, Woodruff DN, Merzeau P, Buisson L, Jia X, Li D, Volatron F, Mathonière C, Clérac R. Metal-to-Metal Electron Transfer in Co/Fe Prussian Blue Molecular Analogues: The Ultimate Miniaturization. J Am Chem Soc 2014; 136:15461-4. [DOI: 10.1021/ja508094h] [Citation(s) in RCA: 131] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Evangelia S. Koumousi
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
- CNRS, ICMCB, UPR 9048, F-33600 Pessac, France
- Univ. Bordeaux, ICMCB, UPR 9048, F-33600 Pessac, France
| | - Ie-Rang Jeon
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
- CNRS, ICMCB, UPR 9048, F-33600 Pessac, France
- Univ. Bordeaux, ICMCB, UPR 9048, F-33600 Pessac, France
| | - Qian Gao
- College
of Chemistry, Key Laboratory of Pesticide and Chemical Biology of
Ministry of Education, Central China Normal University (CCNU), 430079 Wuhan, P. R. China
| | - Pierre Dechambenoit
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Daniel N. Woodruff
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Pascal Merzeau
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Lionel Buisson
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Xiaolu Jia
- College
of Chemistry, Key Laboratory of Pesticide and Chemical Biology of
Ministry of Education, Central China Normal University (CCNU), 430079 Wuhan, P. R. China
| | - Dongfeng Li
- College
of Chemistry, Key Laboratory of Pesticide and Chemical Biology of
Ministry of Education, Central China Normal University (CCNU), 430079 Wuhan, P. R. China
| | - Florence Volatron
- Université Pierre et Marie Curie Paris 6, 75252 Paris cedex 5, France
| | - Corine Mathonière
- CNRS, ICMCB, UPR 9048, F-33600 Pessac, France
- Univ. Bordeaux, ICMCB, UPR 9048, F-33600 Pessac, France
| | - Rodolphe Clérac
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
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27
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Affiliation(s)
- Wei-Tsung Lee
- Department of Chemistry, Indiana University, 800 East
Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Ie-Rang Jeon
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Song Xu
- Department of Chemistry, Indiana University, 800 East
Kirkwood Avenue, Bloomington, Indiana 47405, United States
| | - Diane A. Dickie
- Department of Chemistry and Chemical
Biology, The University of New Mexico, 300 Terrace Street NE, Albuquerque, New Mexico 87131, United States
| | - Jeremy M. Smith
- Department of Chemistry, Indiana University, 800 East
Kirkwood Avenue, Bloomington, Indiana 47405, United States
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28
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Piñero Cruz DM, Woodruff DN, Jeon IR, Bhowmick I, Secu M, Hillard EA, Dechambenoit P, Clérac R. Switching off the single-molecule magnet properties of the [CoII(Me6tren)(OH2)]2+ module by complexation with trans-[RuIII(salen)(CN)2]−. NEW J CHEM 2014. [DOI: 10.1039/c4nj00452c] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A new mononuclear pentacoordinate CoII SMM was synthesized and associated with trans-[RuIII(salen)(CN)2]− to form a trinuclear complex without SMM properties.
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Affiliation(s)
- Dalice M. Piñero Cruz
- CNRS
- CRPP
- UPR 8641
- Laboratory for “Molecular Materials and Magnetism”
- F-33600 Pessac, France
| | - Daniel N. Woodruff
- CNRS
- CRPP
- UPR 8641
- Laboratory for “Molecular Materials and Magnetism”
- F-33600 Pessac, France
| | - Ie-Rang Jeon
- CNRS
- CRPP
- UPR 8641
- Laboratory for “Molecular Materials and Magnetism”
- F-33600 Pessac, France
| | - Indrani Bhowmick
- CNRS
- CRPP
- UPR 8641
- Laboratory for “Molecular Materials and Magnetism”
- F-33600 Pessac, France
| | - Mihail Secu
- CNRS
- CRPP
- UPR 8641
- Laboratory for “Molecular Materials and Magnetism”
- F-33600 Pessac, France
| | - Elizabeth A. Hillard
- CNRS
- CRPP
- UPR 8641
- Laboratory for “Molecular Materials and Magnetism”
- F-33600 Pessac, France
| | - Pierre Dechambenoit
- CNRS
- CRPP
- UPR 8641
- Laboratory for “Molecular Materials and Magnetism”
- F-33600 Pessac, France
| | - Rodolphe Clérac
- CNRS
- CRPP
- UPR 8641
- Laboratory for “Molecular Materials and Magnetism”
- F-33600 Pessac, France
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29
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Abstract
We demonstrate the potential utility of spin crossover iron(ii) complexes as temperature-responsive paramagnetic chemical exchange saturation transfer (PARACEST) contrast agents in magnetic resonance imaging (MRI) thermometry.
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Affiliation(s)
- Ie-Rang Jeon
- Department of Chemistry
- Northwestern University
- Evanston, USA
| | - Jesse G. Park
- Department of Chemistry
- Northwestern University
- Evanston, USA
| | - Chad R. Haney
- Center for Advanced Molecular Imaging
- Northwestern University
- Evanston, USA
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30
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Jeon IR, Park JG, Xiao DJ, Harris TD. An azophenine radical-bridged Fe2 single-molecule magnet with record magnetic exchange coupling. J Am Chem Soc 2013; 135:16845-8. [PMID: 24164631 DOI: 10.1021/ja409927v] [Citation(s) in RCA: 118] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
One-electron reduction of the complex [(TPyA)2Fe(II)2((NPh)L(2-))](2+) (TPyA = tris(2-pyridylmethyl)amine, (NPh)LH2 = azophenine = N,N',N",N'''-tetraphenyl-2,5-diamino-1,4-diiminobenzoquinone) affords the complex [(TPyA)2Fe(II)2((NPh)L(3-•))](+). X-ray diffraction and Mössbauer spectroscopy confirm that the reduction occurs on (NPh)L(2-) to give an S = 1/2 radical bridging ligand. Dc magnetic susceptibility measurements demonstrate the presence of extremely strong direct antiferromagnetic exchange between S = 2 Fe(II) centers and (NPh)L(3-•) in the reduced complex, giving an S = 7/2 ground state with an estimated coupling constant magnitude of |J| ≥ 900 cm(-1). Mössbauer spectroscopy and ac magnetic susceptibility reveal that this complex behaves as a single-molecule magnet with a spin relaxation barrier of U(eff) = 50(1) cm(-1). To our knowledge, this complex exhibits by far the strongest magnetic exchange coupling ever to be observed in a single-molecule magnet.
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Affiliation(s)
- Ie-Rang Jeon
- Department of Chemistry, Northwestern University , Evanston Illinois 60208-3113, United States
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31
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Feng X, Mathonière C, Jeon IR, Rouzières M, Ozarowski A, Aubrey ML, Gonzalez MI, Clérac R, Long JR. Tristability in a Light-Actuated Single-Molecule Magnet. J Am Chem Soc 2013; 135:15880-4. [DOI: 10.1021/ja407332y] [Citation(s) in RCA: 159] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Xiaowen Feng
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Corine Mathonière
- CNRS, ICMCB, UPR 9048, Pessac F-33600, France
- Université
Bordeaux, ICMCB, UPR 9048, Pessac F-33600, France
| | - Ie-Rang Jeon
- CNRS, ICMCB, UPR 9048, Pessac F-33600, France
- Université
Bordeaux, ICMCB, UPR 9048, Pessac F-33600, France
- CNRS, CRPP, UPR
8641, Research team for “Molecular Magnetic Materials”, Pessac F-33600, France
- Université
Bordeaux, CRPP, UPR 8641, Pessac F-33600, France
| | - Mathieu Rouzières
- CNRS, CRPP, UPR
8641, Research team for “Molecular Magnetic Materials”, Pessac F-33600, France
- Université
Bordeaux, CRPP, UPR 8641, Pessac F-33600, France
| | - Andrew Ozarowski
- National High Magnetic
Field Laboratory, Tallahassee, Florida 32310, United States
| | - Michael L. Aubrey
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Miguel I. Gonzalez
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
| | - Rodolphe Clérac
- CNRS, CRPP, UPR
8641, Research team for “Molecular Magnetic Materials”, Pessac F-33600, France
- Université
Bordeaux, CRPP, UPR 8641, Pessac F-33600, France
| | - Jeffrey R. Long
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Materials
Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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32
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Hołyńska M, Frank N, Pichon C, Jeon IR, Clérac R, Dehnen S. A Defect Supertetrahedron Naphthoxime-Based [MnIII9] Single-Molecule Magnet. Inorg Chem 2013; 52:7317-9. [DOI: 10.1021/ic401018w] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Małgorzata Hołyńska
- Fachbereich
Chemie and Wissenschaftliches Zentrum für Materialwissenschaften
(WZMW), Philipps-Universität Marburg, Hans-Meerwein-Straße,
D-35032 Marburg, Germany
| | - Nicolas Frank
- Fachbereich
Chemie and Wissenschaftliches Zentrum für Materialwissenschaften
(WZMW), Philipps-Universität Marburg, Hans-Meerwein-Straße,
D-35032 Marburg, Germany
| | - Céline Pichon
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac,
France
| | - Ie-Rang Jeon
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac,
France
| | - Rodolphe Clérac
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac,
France
| | - Stefanie Dehnen
- Fachbereich
Chemie and Wissenschaftliches Zentrum für Materialwissenschaften
(WZMW), Philipps-Universität Marburg, Hans-Meerwein-Straße,
D-35032 Marburg, Germany
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Jeon IR, Calancea S, Panja A, Piñero Cruz DM, Koumousi ES, Dechambenoit P, Coulon C, Wattiaux A, Rosa P, Mathonière C, Clérac R. Spin crossover or intra-molecular electron transfer in a cyanido-bridged Fe/Co dinuclear dumbbell: a matter of state. Chem Sci 2013. [DOI: 10.1039/c3sc22069a] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Panja A, Guionneau P, Jeon IR, Holmes SM, Clérac R, Mathonière C. Syntheses, Structures, and Magnetic Properties of a Novel mer-[(bbp)FeIII(CN)3]2– Building Block (bbp: bis(2-benzimidazolyl)pyridine dianion) and Its Related Heterobimetallic Fe(III)–Ni(II) Complexes. Inorg Chem 2012; 51:12350-9. [PMID: 23134343 DOI: 10.1021/ic301661x] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anangamohan Panja
- CNRS, ICMCB, UPR
9048, F-33600 Pessac, France
- Univ. of Bordeaux, ICMCB, UPR 9048, F-33600
Pessac, France
| | - Philippe Guionneau
- CNRS, ICMCB, UPR
9048, F-33600 Pessac, France
- Univ. of Bordeaux, ICMCB, UPR 9048, F-33600
Pessac, France
| | - Ie-Rang Jeon
- CNRS, ICMCB, UPR
9048, F-33600 Pessac, France
- Univ. of Bordeaux, ICMCB, UPR 9048, F-33600
Pessac, France
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. of Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | | | - Rodolphe Clérac
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. of Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Corine Mathonière
- CNRS, ICMCB, UPR
9048, F-33600 Pessac, France
- Univ. of Bordeaux, ICMCB, UPR 9048, F-33600
Pessac, France
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Jeon IR, Clérac R. Controlled association of single-molecule magnets (SMMs) into coordination networks: towards a new generation of magnetic materials. Dalton Trans 2012; 41:9569-86. [PMID: 22772402 DOI: 10.1039/c2dt30906h] [Citation(s) in RCA: 162] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The field of molecular magnetism has rapidly expanded since the discovery of single-molecule magnets (SMMs) at the beginning of the 1990s. Numerous SMMs have been studied and a broad community currently works on these systems to improve their magnetic characteristics. However, it has also become an important strategy to diversify a part of our research activity toward the organization of these magnetic molecules in order to move closer to future applications. One of the possible ways is to utilize SMMs as molecular building blocks and assemble them with the help of coordination chemistry. This strategy presents a significant challenge since the intrinsic magnetic properties of the parent SMMs can be modified, which consequently also provides a unique opportunity to investigate new behaviours at the frontier between SMMs and classical bulk magnets. Furthermore, the design of systems with "enhanced" SMM properties or magnet behaviour is theoretically possible by choosing coordinating linkers that could favour an effective ferromagnetic arrangement of the SMMs. In this perspective article, we will give an overview of the known networks based on SMMs with an emphasis on the synthetic strategies, magnetic properties, and finally possible routes to a new generation of molecular magnetic materials.
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Wu J, MacDonald DJ, Clérac R, Jeon IR, Jennings M, Lough AJ, Britten J, Robertson C, Dube PA, Preuss KE. Metal Complexes of Bridging Neutral Radical Ligands: pymDTDA and pymDSDA. Inorg Chem 2012; 51:3827-39. [DOI: 10.1021/ic3000284] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jian Wu
- Department of Chemistry, University of Guelph, Guelph, Ontario
N1G 2W1, Canada
| | - Daniel J. MacDonald
- Department of Chemistry, University of Guelph, Guelph, Ontario
N1G 2W1, Canada
| | - Rodolphe Clérac
- Centre
de Recherche Paul Pascal
(CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert
Schweitzer, Pessac F-33600, France
- Université de Bordeaux, UPR 8641, Pessac F-33600, France
| | - Ie-Rang Jeon
- Centre
de Recherche Paul Pascal
(CRPP), Equipe “Matériaux Moléculaires Magnétiques”, 115 avenue du Dr. Albert
Schweitzer, Pessac F-33600, France
- Université de Bordeaux, UPR 8641, Pessac F-33600, France
| | - Michael Jennings
- Department of Chemistry, The University of Western Ontario, London,
Ontario N6A 5B7, Canada
| | - Alan J. Lough
- Department of Chemistry, University of Toronto, Toronto, Ontario
M5S 3H6, Canada
| | - James Britten
- Department of Chemistry, McMaster University, Hamilton, Ontario
L8S 4M1, Canada
| | - Craig Robertson
- Department of Chemistry, McMaster University, Hamilton, Ontario
L8S 4M1, Canada
| | - Paul A. Dube
- Brockhouse
Institute for Materials
Research (BIMR), McMaster University, Hamilton,
Ontario L8S 4M1, Canada
| | - Kathryn E. Preuss
- Department of Chemistry, University of Guelph, Guelph, Ontario
N1G 2W1, Canada
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Visinescu D, Jeon IR, Madalan AM, Alexandru MG, Jurca B, Mathonière C, Clérac R, Andruh M. Self-assembly of [CuIITbIII]3+ and [W(CN)8]3− tectons: a case study of a mixture containing two complexes showing slow-relaxation of the magnetization. Dalton Trans 2012; 41:13578-81. [DOI: 10.1039/c2dt32081a] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Hołyńska M, Premužić D, Jeon IR, Wernsdorfer W, Clérac R, Dehnen S. [MnIII6O3Ln2] Single-Molecule Magnets: Increasing the Energy Barrier Above 100 K. Chemistry 2011; 17:9605-10. [DOI: 10.1002/chem.201101807] [Citation(s) in RCA: 111] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2011] [Indexed: 11/10/2022]
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Jeon IR, Kang JH, Paek SM, Hwang SJ, Choy JH. Amorphous tungstate precursor route to nanostructured tungsten oxide film with electrochromic property. J Nanosci Nanotechnol 2011; 11:6518-6522. [PMID: 22121748 DOI: 10.1166/jnn.2011.4354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Electrochromic tungsten oxide (WO3) films on ITO glass were fabricated by spin-coating with a tungsten peroxy acid solution, which was prepared by adding an equivolume mixture of hydrogen peroxide and glacial acetic acid to tungsten metal powder. The structural evolution of the tungstate precursor upon heat treatment was studied by X-ray diffraction (XRD) and X-ray absorption near edge structure (XANES) analyses, which indicated that the as-synthesized tungstate transformed into nanocrystalline WO3 upon heating. It is, therefore, quite clear that as-synthesized tungstate can be a good precursor for electrochromic WO3 films. A series of WO3 thin films were prepared on ITO glass by spin-coating with different concentrations of tungsten peroxy acid solution and then post-annealing at various temperatures. Depending on the concentration of the tungstate coating solution (200-500 mg mL(-1)) and the annealing temperature (100-300 degrees C), the thickness and WO3 content as well as the electrochromic properties of WO3 films can be controlled. As a result, the optimum fabrication conditions were determined to be a tungstate solution concentration of 300-400 mg mL(-1) and a post-annealing temperature of 200 degrees C. Finally, an inorganic-inorganic hybrid electrochromic device (ECD) composed of optimized WO3 and Prussian Blue (PB) with desirable coloration efficiency was successfully developed.
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Affiliation(s)
- Ie-Rang Jeon
- Center for Intelligent Nano-Bio Materials (CINBM), Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 120-750, Korea
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Jeon IR, Ababei R, Lecren L, Li YG, Wernsdorfer W, Roubeau O, Mathonière C, Clérac R. Two-dimensional assembly of [Mn(III)₂Mn(II)₂] single-molecule magnets and [Cu(pic)₂] linking units (Hpic = picolinic acid). Dalton Trans 2011; 39:4744-6. [PMID: 21488317 DOI: 10.1039/c000311e] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In an attempt to develop novel coordination networks of SMMs, a Cu(II) picolinate complex has been used to coordinate S(T) = 9 tetranuclear Mn-based SMMs resulting in an intriguing 2D framework exhibiting a magnet-like behavior at low temperature.
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Affiliation(s)
- Ie-Rang Jeon
- CNRS, UPR 8641, Centre de Recherche Paul Pascal (CRPP), Equipe Matériaux Moléculaires Magnétiques, 115 avenue du Dr Albert Schweitzer, Pessac, F-33600, France
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