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Weng GG, Xu K, Hou T, Huang XD, Qin MF, Bao SS, Zheng LM. Enhancing the Circularly Polarized Luminescence of Europium Coordination Polymers by Doping a Chromophore Ligand into Superhelices. Inorg Chem 2023; 62:21044-21052. [PMID: 38051505 DOI: 10.1021/acs.inorgchem.3c02806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Lanthanide-based molecular materials showing efficient circularly polarized luminescence (CPL) activity with a high quantum yield are attractive due to their potential applications in data storage, optical sensors, and 3D displays. Herein we present an innovative method to achieve enhanced CPL activity and a high quantum yield by doping a chromophore ligand into a coordination polymer superhelix. A series of homochiral europium(III) phosphonates with a helical morphology were prepared with the molecular formula S-, R-[Eu(cyampH)3-3n(nempH)3n]·3H2O (S/R-Eu-n, n = 0-5%). The doping of chromophore ligand S- or R-nempH2 into superhelices of S/R-Eu-0% not only turned on the CPL activity with the dissymmetry factor |glum| on the order of 10-3 but also increased the quantum yield by about 14-fold. This work may shed light on the development of efficient CPL-active lanthanide-based coordination polymers for applications.
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Affiliation(s)
- Guo-Guo Weng
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
- Key Laboratory of Jiangxi University for Functional Materials Chemistry, School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, Jiangxi 341000, P. R. China
| | - Kui Xu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Ting Hou
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Xin-Da Huang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Ming-Feng Qin
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Song-Song Bao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Li-Min Zheng
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
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Ghosh A, Pandey A, Sengupta A, Kathirvelu V, Harmalkar SS, Dhuri SN, Singh KS, Ghanty TK. Experimental and Theoretical Investigation on the Extractive Mass Transfer of Eu 3+ Ions Using Novel Amide Ligands in 1-Hexyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide. Inorg Chem 2023; 62:14678-14693. [PMID: 37624686 DOI: 10.1021/acs.inorgchem.3c01963] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/27/2023]
Abstract
Novel amide ligands in the ionic liquid (1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide) were utilized for the liquid-liquid biphasic mass transfer of Eu3+ ions from aqueous acidic waste solution. The cation exchange mechanism was found to be operative with the formation of [Eu(NO3)2L3]+ species (L = 4-chloro-N-(1-methyl-1H-pyrazol-3-yl)picolinamide). However, the presence of an inner-sphere water molecule was revealed by density functional theory (DFT) calculations. The viscosity-induced slower kinetics was evidenced during mass transfer, which was improved by increasing temperature. The process was exothermic in nature. The improvement in the kinetics of extractive mass transfer at higher temperatures is evinced by a reduction in the distribution ratio value. The spontaneity of the reaction was evidenced through the negative Gibbs free energy value, whereas the process enhances the entropy of the system, probably by releasing water molecules at least partially during complexation. The structures of bare ligands and complexes have been optimized by using DFT calculations. A high value of complexation energy, solvation energy, and associated enthalpy and free energy change reveal the efficacy in binding Eu with O and N donor atoms. In addition, natural population analysis, atoms-in-molecules analysis, and energy decomposition analysis have been employed to explore the nature of bonding existing in Eu-O and Eu-N bonds.
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Affiliation(s)
- Ayan Ghosh
- Laser and Plasma Technology Division, Beam Technology Development Group, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
| | - Amit Pandey
- Department of Applied Sciences, National Institute of Technology Goa, Ponda, Goa 403401, India
| | - Arijit Sengupta
- Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
- HomiBhabha National Institute, Anushaktinagar, Mumbai 400094, India
| | - Velavan Kathirvelu
- Department of Applied Sciences, National Institute of Technology Goa, Ponda, Goa 403401, India
| | | | - Sunder N Dhuri
- School of Chemical Sciences, Goa University, Taleigao, Goa 403206, India
| | - Keisham S Singh
- Bioorganic Chemistry Laboratory, CSIR-National Institute of Oceanography, Dona Paula, Goa 403004, India
| | - Tapan K Ghanty
- HomiBhabha National Institute, Anushaktinagar, Mumbai 400094, India
- Bio-Science Group, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India
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Cui L, Shinjo H, Ichiki T, Deyama K, Harada T, Ishibashi K, Ehara T, Miyata K, Onda K, Hisaeda Y, Ono T. Highly Fluorescent Bipyrrole-Based Tetra-BF 2 Flag-Hinge Chromophores: Achieving Multicolor and Circularly Polarized Luminescence. Angew Chem Int Ed Engl 2022; 61:e202204358. [PMID: 35511507 DOI: 10.1002/anie.202204358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Indexed: 12/12/2022]
Abstract
This study reports the facile syntheses of tetra-boron difluoride (tetra-BF2 ) complexes, flag-hinge-like molecules that exhibit intense green-to-orange luminescence in solution and yellow-to-red emission in the solid states. Single-crystal structure analysis and density functional theory calculations suggested a bent structure of this series of compounds. The complexes also exhibited excellent optical properties, with quantum yields reaching 100 % and a large Stokes shift. These properties were attributed to the altered bending angle of the molecule in the S1 excited state. As the rotational motion was suppressed around the 2,2'-bipyrrole axis, atropisomers with axial chirality were formed, which are optically resolvable into (R) and (S)-enantiomers through a chiral column. The atropisomers thus function as circularly polarized luminescent (CPL) materials, in which the color (green, green-yellow, and yellow) can be varied by controlling the aggregation state. This rational design of multi-BF2 complexes can potentially realize novel photofunctional materials.
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Affiliation(s)
- Luxia Cui
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Hyuga Shinjo
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Takafumi Ichiki
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Koichi Deyama
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Takunori Harada
- Faculty of Science and Technology, Graduate School of Engineering, Oita University, 700 Dannoharu, Oita City, 870-1192, Japan
| | - Kohei Ishibashi
- Faculty of Science and Technology, Graduate School of Engineering, Oita University, 700 Dannoharu, Oita City, 870-1192, Japan
| | - Takumi Ehara
- Department of Chemistry, Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Kiyoshi Miyata
- Department of Chemistry, Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Ken Onda
- Department of Chemistry, Graduate School of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Yoshio Hisaeda
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
| | - Toshikazu Ono
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
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Cui L, Shinjo H, Ichiki T, Deyama K, Harada T, Ishibashi K, Ehara T, Miyata K, Onda K, Hisaeda Y, Ono T. Highly Fluorescent Bipyrrole‐Based Tetra‐BF
2
Flag‐Hinge Chromophores: Achieving Multicolor and Circularly Polarized Luminescence. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Luxia Cui
- Department of Chemistry and Biochemistry Graduate School of Engineering Center for Molecular Systems (CMS) Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Hyuga Shinjo
- Department of Chemistry and Biochemistry Graduate School of Engineering Center for Molecular Systems (CMS) Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Takafumi Ichiki
- Department of Chemistry and Biochemistry Graduate School of Engineering Center for Molecular Systems (CMS) Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Koichi Deyama
- Department of Chemistry and Biochemistry Graduate School of Engineering Center for Molecular Systems (CMS) Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Takunori Harada
- Faculty of Science and Technology Graduate School of Engineering Oita University 700 Dannoharu Oita City 870-1192 Japan
| | - Kohei Ishibashi
- Faculty of Science and Technology Graduate School of Engineering Oita University 700 Dannoharu Oita City 870-1192 Japan
| | - Takumi Ehara
- Department of Chemistry Graduate School of Science Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Kiyoshi Miyata
- Department of Chemistry Graduate School of Science Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Ken Onda
- Department of Chemistry Graduate School of Science Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Yoshio Hisaeda
- Department of Chemistry and Biochemistry Graduate School of Engineering Center for Molecular Systems (CMS) Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Toshikazu Ono
- Department of Chemistry and Biochemistry Graduate School of Engineering Center for Molecular Systems (CMS) Kyushu University 744 Motooka, Nishi-ku Fukuoka 819-0395 Japan
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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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6
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Nelson B, VandenElzen L, Whitacre G, Hopkins TA. Chiral Eutectic Mixtures and Deep Eutectic Solvents for Induced Circularly Polarized Luminescence. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100139] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Brian Nelson
- Chemistry and Biochemistry Department Butler University 4600 Sunset Ave Indianapolis IN 46208 USA
| | - Liam VandenElzen
- Chemistry and Biochemistry Department Butler University 4600 Sunset Ave Indianapolis IN 46208 USA
| | - Grace Whitacre
- Chemistry and Biochemistry Department Butler University 4600 Sunset Ave Indianapolis IN 46208 USA
| | - Todd A. Hopkins
- Chemistry and Biochemistry Department Butler University 4600 Sunset Ave Indianapolis IN 46208 USA
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Piccinelli F, Nardon C, Bettinelli M, Melchior A, Tolazzi M, Zinna F, Di Bari L. Lanthanide‐Based Complexes Containing a Chiral
trans
‐1,2‐Diaminocyclohexane (DACH) Backbone: Spectroscopic Properties and Potential Applications. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100143] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Fabio Piccinelli
- Luminescent Materials Laboratory DB, University of Verona, and INSTM, UdR Verona Strada Le Grazie 15 37134 Verona Italy
| | - Chiara Nardon
- Luminescent Materials Laboratory DB, University of Verona, and INSTM, UdR Verona Strada Le Grazie 15 37134 Verona Italy
| | - Marco Bettinelli
- Luminescent Materials Laboratory DB, University of Verona, and INSTM, UdR Verona Strada Le Grazie 15 37134 Verona Italy
| | - Andrea Melchior
- Dipartimento Politecnico di ingegneria e architettura Laboratorio di Tecnologie Chimiche University of Udine Via Cotonificio 108 33100 Udine Italy
| | - Marilena Tolazzi
- Dipartimento Politecnico di ingegneria e architettura Laboratorio di Tecnologie Chimiche University of Udine Via Cotonificio 108 33100 Udine Italy
| | - Francesco Zinna
- Department of Chemistry and Industrial Chemistry Via Moruzzi 13 56124 Pisa Italy
| | - Lorenzo Di Bari
- Department of Chemistry and Industrial Chemistry Via Moruzzi 13 56124 Pisa Italy
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Lefeuvre B, Mattei CA, Gonzalez JF, Gendron F, Dorcet V, Riobé F, Lalli C, Le Guennic B, Cador O, Maury O, Guy S, Bensalah-Ledoux A, Baguenard B, Pointillart F. Solid-State Near-Infrared Circularly Polarized Luminescence from Chiral Yb III -Single-Molecule Magnet. Chemistry 2021; 27:7362-7366. [PMID: 33780055 DOI: 10.1002/chem.202100903] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Indexed: 01/05/2023]
Abstract
A field-induced chiral YbIII Single-Molecule Magnet (SMM) displayed an unprecedented near-infrared circularly polarized luminescence (NIR-CPL) in the solid-state. The bridging bis(1,10-phenantro[5,6b])tetrathiafulvalene triad (L) allowed an efficient sensitization of the NIR 2 F5/2 →2 F7/2 emission while the NIR-CPL is associated to the f-f transitions of the YbIII ion bearing chiral β-diketonate derived-camphorate ancillary ligands.
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Affiliation(s)
- Bertrand Lefeuvre
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000, Rennes, France
| | - Carlo Andrea Mattei
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000, Rennes, France
| | - Jessica Flores Gonzalez
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000, Rennes, France
| | - Frédéric Gendron
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000, Rennes, France
| | - Vincent Dorcet
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000, Rennes, France
| | - François Riobé
- Univ Lyon, Ens de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, Laboratoire de Chimie, 69342, Lyon, France
| | - Claudia Lalli
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000, Rennes, France
| | - Boris Le Guennic
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000, Rennes, France
| | - Olivier Cador
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000, Rennes, France
| | - Olivier Maury
- Univ Lyon, Ens de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, Laboratoire de Chimie, 69342, Lyon, France
| | - Stéphan Guy
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, UMR 5306, Institut Lumière Matière, 69622, Lyon, France
| | - Amina Bensalah-Ledoux
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, UMR 5306, Institut Lumière Matière, 69622, Lyon, France
| | - Bruno Baguenard
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, UMR 5306, Institut Lumière Matière, 69622, Lyon, France
| | - Fabrice Pointillart
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, 35000, Rennes, France
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Zhang Z, Zhou Y, Gao T, Yan P, Zou X, Li H. Diastereoselective self-assembly of a triple-stranded europium helicate with light modulated chiroptical properties. Dalton Trans 2021; 50:4604-4612. [PMID: 33710241 DOI: 10.1039/d1dt00251a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Chiroptical photoswitches are of increasing interest for their potential in advanced information technologies. Herein, an achiral bis-β-diketonate ligand (o-L) with a photoresponsive diarylethene moiety as a linker was designed, which co-assembled with Eu3+ ions and R- and S-bis(diphenylphosphoryl)-1,10-binaphthyl (R/S-BINAPO) as chiral ancillaries to form dinuclear triple-stranded helicates, [Eu2(o-L)3(R/S-BINAPO)2]. The helicates in the enantiopure form were confirmed by 1H, 19F, 31P NMR and DOSY NMR analyses. Furthermore, the mirror-image CD and CPL spectra also demonstrate the existence of stable ground- and excited-state chiralities in solution. When exposed to alternate ultraviolet and visible light, the helicates showed reversible color variations from colorless to purple, followed by the presence of light-triggered quadruple optical and chiroptical outputs, named CD, PL, CPL and glum switches. With these light-modulated optical outputs, the possibility for the fabrication of IMPLICATION and INHIBIT logic gates was discussed.
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Affiliation(s)
- Zhihui Zhang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China.
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12
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Yao Z, Zhou Y, Gao T, Yan P, Li H. Ancillary ligand modulated stereoselective self-assembly of triple-stranded Eu(iii) helicate featuring circularly polarized luminescence. RSC Adv 2021; 11:10524-10531. [PMID: 35423583 PMCID: PMC8695889 DOI: 10.1039/d1ra01583d] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 03/04/2021] [Indexed: 12/30/2022] Open
Abstract
Creating optically pure metal assemblies is a hot research topic in the realms of chiral supramolecules. Here, three new triple-stranded europium(iii) helicates Eu2L3(L′)2 [L = 4,4′-bis(4,4,4-trifluoro-1,3-dioxobutyl)diphenyl sulphide; L′ = 1,10-phenanthroline (Phen) or R/S-2,2′-bis(diphenylphosphinyl)-1,1′-binaphthyl (R/S-BINAPO)] were synthesized in order to investigate the effects of ancillary ligands on controlling the stereoselective self-assembly of lanthanide helicates. X-ray single crystal structure analysis showed that Eu2L3(Phen)2 crystalized in an achiral space group P1̄ with the equivalent amount of P and M helicates in one single cell. The isolated Eu2L3(S-BINAPO)2 and Eu2L3(R-BINAPO)2 were verified to be enantiopure by 1H, 19F, 31P NMR and DOSY NMR analyses. Additionally, the mirror-image CD spectra also demonstrated the successful syntheses of the enantiomers and the presence of an effective chirality transformation from BINAPO to achiral L. Furthermore, the perfect mirror-image circularly polarized luminescence (CPL) spectra of Eu2L3(S-BINAPO)2 and Eu2L3(R-BINAPO)2 indicated the existence of the excited state chirality of the Eu3+ center associated with |glum| values reaching 0.112. In addition, the photophysical properties of three helicates were also discussed. Chiral ancillary ligands (R/S-BINAPO) modulated the stereoselective self-assembly of lanthanide helicates, which presented strong CPL with |glum| values up to 0.112 and high luminescence quantum yield up to 34%.![]()
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Affiliation(s)
- Zhiwei Yao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
| | - Yanyan Zhou
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
| | - Ting Gao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
| | - Pengfei Yan
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
| | - Hongfeng Li
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
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Sahoo J, Wu T, Klepetářová B, Valenta J, Bouř P. Binuclear Lanthanide(III) Complexes with Chiral Ligands: Dynamic Equilibria in Solution and Binding with Nucleotides Studied by Spectroscopic Methods. Chempluschem 2021; 85:694-700. [PMID: 32253836 DOI: 10.1002/cplu.202000182] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 03/16/2020] [Indexed: 11/10/2022]
Abstract
Binuclear lanthanide complexes of Eu(III) and Sm(III) were obtained in the presence of chiral ligand 1,2-(R,R+S,S)-N,N'-bis(2-pyridylmethylene),2-diamine. An unusual structure of the Eu(III) compound with two lanthanide atoms connected through two chlorines was determined by X-ray crystallography. In solution, the dimer coexists with a monomeric complex, and the stability of the binuclear form depends on the solvent and concentration. The dimer-monomer equilibrium was monitored by circularly polarized luminescence (CPL) measured on a Raman optical activity (ROA) spectrometer, where both forms provided large CPL anisotropic ratios of up to 5.6×10-2 . Monomer formation was favored in water, whereas the dimer was stabilized in methanol. When mixed with adenosine phosphates, AMP gave much smaller CPL than ADP and ATP, indicating a high affinity of the Eu (III) complex for the phosphate group, which in connection with the ROA/CPL technique can be developed into a bioanalytical probe.
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Affiliation(s)
- Jashobanta Sahoo
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague, Czech Republic
| | - Tao Wu
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague, Czech Republic
| | - Blanka Klepetářová
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague, Czech Republic
| | - Jan Valenta
- Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 12116, Prague, Czech Republic
| | - Petr Bouř
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo náměstí 2, 16610, Prague, Czech Republic
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14
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Bi S, Zhou Y, Yao Y, Cheng Z, Gao T, Yan P, Li H. Chiral BINAPO Induced Circularly Polarized Luminescence in a Triple-Stranded Eu2L3(BINAPO)2 Helicate. Aust J Chem 2021. [DOI: 10.1071/ch20074] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Chiral lanthanide helicates with circularly polarized luminescence (CPL) properties have found potential application in bioanalyses and chirality sensing. However, the preparation of the enantiopure helicates through a coordination-directed self-assembly strategy is challenging due to the greatly labile coordination geometries of lanthanide ions. Herein, a pair of enantiopure triple-stranded EuIII helicates [(Eu2L3)(R/S-BINAPO)2] are assembled by three achiral C2-symmeric bis-β-diketones (4,4′-bis(4,4,4-trifluoro-1,3-dioxobutyl)(phenoxyl)-1,1′-biphenyl, L) helically twisting around two EuIII ions, and two chiral R/S-bis(diphenylphosphoryl)-1,1′-binaphthyl (R/S-BINAPO) as ancillary ligands. Electrospray ionization–mass spectrometry, NMR, and circular dichroism (CD) spectra confirm the formation of a pair of enantiopure chiral topological helicates (Eu2L3)(R-BINAPO)2 and (Eu2L3)(S-BINAPO)2. As expected, the helicates present strong CPL with the |glum| up to 0.09, and the higher luminescent quantum yields (QYs) of up to 51%.
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15
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Ming Zhao, Xiaoli Zhou. Synthesis, Crystal Structure, and Visible Light Sensitized Red Luminescence of a Novel Salen-Bridged Pentanuclear Eu-Na Complex. RUSS J INORG CHEM+ 2020. [DOI: 10.1134/s0036023620080203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Han J, Lu H, Xu Y, Guo S, Zheng X, Tao P, Liu S, Zhang X, Zhao Q. Concentration-dependent circularly polarized luminescence of chiral cyclometalated platinum(II) complexes for electroluminescence. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121240] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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17
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Arrico L, De Rosa C, Di Bari L, Melchior A, Piccinelli F. Effect of the Counterion on Circularly Polarized Luminescence of Europium(III) and Samarium(III) Complexes. Inorg Chem 2020; 59:5050-5062. [PMID: 32186182 PMCID: PMC7997384 DOI: 10.1021/acs.inorgchem.0c00280] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
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Each enantiopure
europium(III) and samarium(III) nitrate and triflate
complex of the ligand L, with L = N,N′-bis(2-pyridylmethylidene)-1,2-(R,R + S,S)-cyclohexanediamine ([LnL(tta)2]·NO3 and [LnL(tta)2(H2O)]·CF3SO3, where tta = 2-thenoyltrifluoroacetylacetonate)
has been synthesized and characterized from a spectroscopic point
of view, using a chiroptical technique such as electronic circular
dichroism (ECD) and circularly polarized luminescence (CPL). In all
cases, both ligands are capable of sensitizing the luminescence of
both metal ions upon absorption of light around 280 and 350 nm. Despite
small differences in the total luminescence (TL) and ECD spectra,
the CPL activity of the complexes is strongly influenced by a concurrent
effect of the solvent and counterion. This particularly applies to
europium(III) complexes where the CPL spectra in acetonitrile can
be described as a weighed linear combination of the CPL spectra in
dichloromethane and methanol, which show nearly opposite signatures
when their ligand stereochemistries are the same. This phenomenon
could be related to the presence of equilibria interconverting solvated,
anion-coordinated complexes and isomers differing by the relative
orientation of the tta ligands. The difference between some bond lengths
(M–N bonds, in particular) in the different species could be
at the basis of such an unusual CPL activity. Triflate ([EuL(tta)2(H2O)]·CF3SO3) and nitrate ([EuL(tta)2]·NO3) complexes, with L = N,N′-bis(2-pyridylmethylidene)-1,2-(R,R or S,S)-cyclohexanediamine, where tta = 2-thenoyltrifluoroacetylacetonate,
show nearly opposite circularly polarized luminescence (CPL) signatures
when dissolved in dichloromethane (DCM) or methanol (MeOH), even though
their ligand stereochemistries remain unchanged. The presence (in
DCM) and absence (in MeOH) of the counterion in the inner coordination
sphere determine a strong change of the CPL activity of the relative
europium(III) complex.
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Affiliation(s)
- Lorenzo Arrico
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, via Moruzzi 13, 56124 Pisa, Italy
| | - Chiara De Rosa
- Luminescent Materials Laboratory, DB, Università di Verona, and INSTM, University of Verona Research Unit, Strada Le Grazie 15, 37134 Verona, Italy
| | - Lorenzo Di Bari
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, via Moruzzi 13, 56124 Pisa, Italy
| | - Andrea Melchior
- Laboratorio di Tecnologie Chimiche, Dipartimento Politecnico di Ingegneria e Architettura, Università di Udine, via Cotonificio 108, 33100 Udine, Italy
| | - Fabio Piccinelli
- Luminescent Materials Laboratory, DB, Università di Verona, and INSTM, University of Verona Research Unit, Strada Le Grazie 15, 37134 Verona, Italy
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18
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Han G, Zhou Y, Yao Y, Cheng Z, Gao T, Li H, Yan P. Preorganized helical chirality controlled homochiral self-assembly and circularly polarized luminescence of a quadruple-stranded Eu 2L 4 helicate. Dalton Trans 2020; 49:3312-3320. [PMID: 32101214 DOI: 10.1039/d0dt00062k] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
β-Diketones are one of the most widely used ligands for sensitizing the luminescence of lanthanide complexes due to their excellent sensitization abilities. However, the difficulties in introducing chiral groups to take part in the electronic transitions of conjugated systems limit their application in lanthanide circularly polarized luminescence (CPL) materials. In view of the inherent chirality of the helical structure, herein, a pair of homochiral quadruple-stranded helicates, Eu2L4, is assembled based on chiral bis-β-diketonate ligands, wherein the two point chirality centers in the spacer preorganize the helical conformation of the ligand (3S,4S)/(3R,4R)-3,4-bis(4,4'-bis(4,4,4-trifluoro-1,3-dioxobutyl)phenoxyl)-1-benzylpyrrolidine, LSS/LRR. X-ray crystallographic analyses reveal that the R,R configurations of the chiral carbons in the spacer induce the M helical sense of the ligand, while the S,S configurations induce the P helical sense. Through the comprehensive spectral characterization in combination with semiempirical geometry optimization using the Sparkle/RM1 model, it is confirmed that the preorganized ligands successfully control the homochirality of the helicates. Moreover, the mirror-image CD and CPL spectra and NMR measurements confirm the formation of enantiomeric pairs and their diastereopurities in solution. Detailed photophysical and chiroptical characterization studies reveal that the helicates not only exhibit intense circularly polarized luminescence (CPL) with |glum| values reaching 0.10, but also show a high luminescence quantum yield of 34%. This study effectively combines the helical chirality of the helicates with the excellent sensitization ability of the β-diketones, providing an effective strategy for the syntheses of chiral lanthanide CPL materials.
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Affiliation(s)
- Guoying Han
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China.
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19
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Francis B, Nolasco MM, Brandão P, Ferreira RAS, Carvalho RS, Cremona M, Carlos LD. Efficient Visible‐Light‐Excitable Eu
3+
Complexes for Red Organic Light‐Emitting Diodes. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000027] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Biju Francis
- Phantom‐g CICECO Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro Portugal
| | - Mariela M. Nolasco
- Department of Chemistry and CICECO CICECO Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro Portugal
| | - Paula Brandão
- Department of Chemistry and CICECO CICECO Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro Portugal
| | - Rute A. S. Ferreira
- Phantom‐g CICECO Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro Portugal
| | - Rafael S. Carvalho
- Department of Physics CICECO Aveiro Institute of Materials Pontifical Catholic University of Rio de Janeiro Rio de Janeiro Brazil
| | - Marco Cremona
- Department of Physics CICECO Aveiro Institute of Materials Pontifical Catholic University of Rio de Janeiro Rio de Janeiro Brazil
| | - Luís D. Carlos
- Phantom‐g CICECO Aveiro Institute of Materials University of Aveiro 3810‐193 Aveiro Portugal
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20
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21
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Tsurui M, Kitagawa Y, Fushimi K, Gon M, Tanaka K, Hasegawa Y. Electronic strain effect on Eu(iii) complexes for enhanced circularly polarized luminescence. Dalton Trans 2020; 49:5352-5361. [DOI: 10.1039/d0dt00699h] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The structural and electronic strain of ligands promotes the enhancement of the magnitude of circularly polarized luminescence in chiral Eu(iii) complexes.
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Affiliation(s)
- Makoto Tsurui
- Graduate School of Chemical Sciences and Engineering
- Hokkaido University
- Sapporo 060-8628
- Japan
| | - Yuichi Kitagawa
- Faculty of Engineering
- Sapporo
- Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD)
- Hokkaido University
| | | | - Masayuki Gon
- Graduate School of Engineering
- Kyoto University
- Kyoto 615-8510
- Japan
| | - Kazuo Tanaka
- Graduate School of Engineering
- Kyoto University
- Kyoto 615-8510
- Japan
| | - Yasuchika Hasegawa
- Faculty of Engineering
- Sapporo
- Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD)
- Hokkaido University
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22
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Jin Q, Wang F, Chen S, Zhou L, Jiang H, Zhang L, Liu M. Circularly Polarized Luminescence of Aluminum Complexes for Chiral Sensing of Amino Acid and Amino Alcohol. Chem Asian J 2019; 15:319-324. [PMID: 31825169 DOI: 10.1002/asia.201901480] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 12/06/2019] [Indexed: 11/06/2022]
Abstract
Determination of the absolute configuration (AC) of chiral molecules is a key issue in many fields related to chirality such as drug development, the asymmetric reaction screening, and the structure determination of natural compounds. Although various methods, such as X-ray crystallography and NMR spectroscopy, are used to determine the AC, a simple and cheap alternative method is always anticipated. So far, electronic circular dichroism (ECD) spectroscopy has been widely used to ascertain the AC and enantiomeric excess (ee) values by applying appropriate organic probes. Here, circularly polarized luminescence (CPL) spectroscopy was applied to determine the AC and ee values of a series of amino acid and amino alcohol. The measurements were conducted by mixing the amino acids or amino alcohols with an achiral 1-hydroxy-2-naphthaldehyde. Upon in situ formation of the Schiff base complexes, the system showed emission enhancement and CPL in the presence of Al3+ , whose intensity and sign can be used to assign the chiral sense of the amino acids and amino alcohols. The authenticity of the method was further compared with the established CD spectroscopy, revealing that CPL spectra of formed Al3+ complex were effective to determine the AC of chiral species.
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Affiliation(s)
- Qingxian Jin
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, Zhengzhou, Henan, 450002, P. R. China
| | - Fulin Wang
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, Zhengzhou, Henan, 450002, P. R. China.,Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Shuyu Chen
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, Zhengzhou, Henan, 450002, P. R. China
| | - Liming Zhou
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry, Zhengzhou, Henan, 450002, P. R. China
| | - Hejin Jiang
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Li Zhang
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science, CAS Key Laboratory of Colloid Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
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23
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Wong HY, Lo WS, Yim KH, Law GL. Chirality and Chiroptics of Lanthanide Molecular and Supramolecular Assemblies. Chem 2019. [DOI: 10.1016/j.chempr.2019.08.006] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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