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Burlov AS, Vlasenko VG, Milutka MS, Koshchienko YV, Lazarenko VA, Trigub AL, Kolodina AA, Zubenko AA, Braga EV, Gusev AN, Linert W. Zinc Complexes of Fluorosubstituted N-[2-(Phenyliminomethyl)phenyl]-4-methylbenzenesulfamides: Synthesis, Structure, Luminescent Properties, and Biological Activity. MATERIALS (BASEL, SWITZERLAND) 2024; 17:438. [PMID: 38255606 PMCID: PMC10817688 DOI: 10.3390/ma17020438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 12/27/2023] [Accepted: 12/31/2023] [Indexed: 01/24/2024]
Abstract
Mono-, di-, and trifluorophenyl substituted in different positions of amine fragments bis [2-[[(E)-((fluorophenyl)iminomethyl]-N-(p-tolylsulfonyl)anilino]zinc(II) complexes were synthesized. Their crystal structure, photo- and electroluminescent properties, and protistocidal, fungistatic, and antibacterial activities were studied. It has been shown that the introduction of fluorine atoms and an increase in their number in the ligand structure of the resulting metal complexes promote the luminescence quantum yields and values of performance and brightness in EL cells compared to their previously studied chlorine-substituted analogs.
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Affiliation(s)
- Anatolii S. Burlov
- Institute of Physical and Organic Chemistry, Southern Federal University, 344090 Rostov-on-Don, Russia; (A.S.B.); (M.S.M.); (Y.V.K.); (A.A.K.)
| | - Valery G. Vlasenko
- Institute of Physics, Southern Federal University, 344090 Rostov-on-Don, Russia;
| | - Maxim S. Milutka
- Institute of Physical and Organic Chemistry, Southern Federal University, 344090 Rostov-on-Don, Russia; (A.S.B.); (M.S.M.); (Y.V.K.); (A.A.K.)
| | - Yurii V. Koshchienko
- Institute of Physical and Organic Chemistry, Southern Federal University, 344090 Rostov-on-Don, Russia; (A.S.B.); (M.S.M.); (Y.V.K.); (A.A.K.)
| | - Vladimir A. Lazarenko
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (V.A.L.); (A.L.T.)
| | - Alexander L. Trigub
- National Research Centre “Kurchatov Institute”, 123182 Moscow, Russia; (V.A.L.); (A.L.T.)
| | - Alexandra A. Kolodina
- Institute of Physical and Organic Chemistry, Southern Federal University, 344090 Rostov-on-Don, Russia; (A.S.B.); (M.S.M.); (Y.V.K.); (A.A.K.)
| | - Alexander A. Zubenko
- North-Caucasian Zonal Scientific Research Veterinary Institute, Branch of the Federal State Budget Scientific Institution “Federal Rostov Agricultural Research Centre”, 344006 Rostov-on-Don, Russia;
| | - Elena V. Braga
- General Chemistry Department, Crimean Federal University V.I. Vernadsky, 295007 Simferopol, Russia;
| | - Alexey N. Gusev
- General Chemistry Department, Crimean Federal University V.I. Vernadsky, 295007 Simferopol, Russia;
| | - Wolfgang Linert
- Institute of Applied Physics, Vienna University of Technology, Wiedner Hauptstraße 8-10, 1040 Vienna, Austria;
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Kozlov MI, Vashchenko AA, Pavlov AA, Goloveshkin AS, Latipov EV, Kuzmina NP, Utochnikova VV. The increase of europium-based OLED luminance through reducing the excited state lifetime by mixed-ligand complex formation. Phys Chem Chem Phys 2023; 25:20042-20048. [PMID: 37462080 DOI: 10.1039/d3cp02082g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
An approach to the luminance increase of the europium-based OLED is proposed through the formation of the mixed-ligand complex. The introduction of two diverse anionic ligands around one europium ion forming a mixed-ligand complex is confirmed by powder X-ray diffraction, 1H and 19F NMR spectroscopy, MALDI MS spectroscopy, and luminescence spectroscopy. A decrease in the symmetry of the coordination environment leads to a 50% reduction of the lifetime of the excited state. The obtained OLEDs based on mixed ligand europium complexes are significantly superior in luminance to OLEDs based on individual complexes.
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Affiliation(s)
- Makarii I Kozlov
- M. V. Lomonosov Moscow State University, 1/3 Leninskye Gory, Moscow, 119991, Russia.
| | - Andrey A Vashchenko
- P. N. Lebedev Physical Institute, Leninsky prosp. 53, Moscow, 119992, Russia
| | - Alexander A Pavlov
- A. N. Nesmeyanov Institute of Organoelement Compounds, Vavilova St. 28, Moscow, 119334, Russia
- BMSTU Center of National Technological Initiative "Digital Material Science: New Material and Substances", Bauman Moscow State Technical University, 2nd Baumanskaya st. 5, Moscow, Russia
| | - Alexander S Goloveshkin
- A. N. Nesmeyanov Institute of Organoelement Compounds, Vavilova St. 28, Moscow, 119334, Russia
| | - Egor V Latipov
- Institute of Nanotechnology of Microelectronics of the Russian Academy of Sciences, Leninsky Prospect 32A, Moscow, 119334, Russia
| | - Natalia P Kuzmina
- M. V. Lomonosov Moscow State University, 1/3 Leninskye Gory, Moscow, 119991, Russia.
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Beltrame ACF, Bispo-Jr AG, Canisares FSM, Fernandes RV, Laureto E, Lima SAM, Pires AM. PMMA or PVDF films blended with β-diketonate tetrakis Eu III or Tb III complexes used as downshifting coatings of near-UV LEDs. SOFT MATTER 2023. [PMID: 37096365 DOI: 10.1039/d3sm00239j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Luminescent LnIII complexes incorporated in polymeric films exhibit narrow emission bands and absorption within the near-UV/blue spectral range, and enhanced phostability, which qualify them to be explored for solid-state lighting. Herein, (C26H56N)[Eu(dbm)4] and Na[Tb(acac)4], (C26H56N+ = didodecyldimethylammonium, dbm- =1,3-diphenyl-1,3-propanedionate, acac- = acetylacetonate), were dispersed in PMMA or PVDF films to protect them from degradation, and the obtained blends were applied as downshifting coatings on near-UV emitter LEDs. Upon such excitation, both EuIII and TbIII complexes emit red or green light with absolute emission quantum yields of 6.4 and 99%, respectively. The complex amount within films influences the photophysical parameters due to multiphotonic deactivation, and formation of agglomerates. For the PMMA-based LED prototypes, the LnIII emission is well-observed while for the PVDF ones, only a poor LnIII emission is detected due to their opacity. Therefore, the PMMA-based systems are better candidates to be used as luminescent coatings of near-UV LEDs for solid-state lighting.
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Affiliation(s)
- Ariane C F Beltrame
- Sao Paulo State University (Unesp), Institute of Biosciences, Humanities and Exact Sciences, Sao Jose do Rio Preto-SP, Brazil.
- Sao Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente-SP, Brazil
| | - Airton G Bispo-Jr
- Department of inorganic chemistry, Institute of Chemistry, University of Campinas (Unicamp), Campinas-SP, Brazil
| | - Felipe S M Canisares
- Sao Paulo State University (Unesp), Institute of Chemistry, Araraquara-SP, Brazil
| | | | - Edson Laureto
- State University of Londrina (UEL), Londrina-PR, Brazil
| | - Sergio A M Lima
- Sao Paulo State University (Unesp), Institute of Biosciences, Humanities and Exact Sciences, Sao Jose do Rio Preto-SP, Brazil.
- Sao Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente-SP, Brazil
- Sao Paulo State University (Unesp), Institute of Chemistry, Araraquara-SP, Brazil
| | - Ana M Pires
- Sao Paulo State University (Unesp), Institute of Biosciences, Humanities and Exact Sciences, Sao Jose do Rio Preto-SP, Brazil.
- Sao Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente-SP, Brazil
- Sao Paulo State University (Unesp), Institute of Chemistry, Araraquara-SP, Brazil
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Heterometallic Europium(III)–Lutetium(III) Terephthalates as Bright Luminescent Antenna MOFs. Molecules 2022; 27:molecules27185763. [PMID: 36144501 PMCID: PMC9505590 DOI: 10.3390/molecules27185763] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/02/2022] [Accepted: 09/02/2022] [Indexed: 11/17/2022] Open
Abstract
A new series of luminescent heterometallic europium(III)–lutetium(III) terephthalate metal–organic frameworks, namely (EuxLu1−x)2bdc3·nH2O, was synthesized using a direct reaction in a water solution. At the Eu3+ concentration of 1–40 at %, the MOFs were formed as a binary mixture of the (EuxLu1−x)2bdc3 and (EuxLu1−x)2bdc3·4H2O crystalline phases, where the Ln2bdc3·4H2O crystalline phase was enriched by europium(III) ions. At an Eu3+ concentration of more than 40 at %, only one crystalline phase was formed: (EuxLu1−x)2bdc3·4H2O. All MOFs containing Eu3+ exhibited sensitization of bright Eu3+-centered luminescence upon the 280 nm excitation into a 1ππ* excited state of the terephthalate ion. The fine structure of the emission spectra of Eu3+ 5D0-7FJ (J = 0–4) significantly depended on the Eu3+ concentration. The luminescence quantum yield of Eu3+ was significantly larger for Eu-Lu terephthalates containing a low concentration of Eu3+ due to the absence of Eu-Eu energy migration and the presence of the Ln2bdc3 crystalline phase with a significantly smaller nonradiative decay rate compared to the Ln2bdc3·4H2O.
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Utochnikova VV, Aslandukov AN, Vashchenko AA, Goloveshkin AS, Alexandrov AA, Grzibovskis R, Bünzli JCG. Identifying lifetime as one of the key parameters responsible for the low brightness of lanthanide-based OLEDs. Dalton Trans 2021; 50:12806-12813. [PMID: 34494066 DOI: 10.1039/d1dt02269e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OLEDs based on lanthanide complexes have decisive optical advantages but are hampered by low brightness. Despite the efforts to optimize several parameters such as quantum yield and charge carrier mobility, there seems to be another key parameter that hinders their performances. Experimental data are therefore collected for mixed-ligand europium complexes with bathophenanthroline and different classes of anionic ligands and screened to identify the key parameter responsible for this situation, which turns out to be the long lifetime of their excited states. A broad literature search supports this conclusion, showing that lanthanide complexes are inferior to other classes of OLED emitters often because of their long lifetimes; furthermore, among a series of lanthanide complexes, the best results are achieved for those with the shortest lifetimes, even though they suffer from low quantum yields.
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Affiliation(s)
- Valentina V Utochnikova
- Material Science Department and Chemistry Department of Lomonosov Moscow State University, Russia, GSP-1, 1-3 Leninskiye Gory, 119991, Moscow, Russian Federation. .,Material Science Department of Lomonosov Moscow State University, Russia, GSP-1, 1-3 Leninskiye Gory, 119991, Moscow, Russian Federation
| | - Andrey N Aslandukov
- Material Science Department of Lomonosov Moscow State University, Russia, GSP-1, 1-3 Leninskiye Gory, 119991, Moscow, Russian Federation.,Material Physics and Technology at Extreme Conditions, Laboratory of Crystallography, University of Bayreuth, Univesitaetsstrasse 30, 95440 Bayreuth, Germany
| | - Andrey A Vashchenko
- Lebedev Physical Institute Russian Academy of Sciences, Russia, GSP-1, Leninsky Avenue 53, 119991, Moscow, Russian Federation
| | - Alexander S Goloveshkin
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Russia, GSP-1, Vavilova St. 28, 119991, Moscow, Russian Federation
| | - Alexey A Alexandrov
- Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences, Russia, GSP-1, Vavilova St. 34, 119991, Moscow, Russian Federation
| | - Raitis Grzibovskis
- Institute of Solid State Physics, University of Latvia, 8 Kengaraga Street, Riga, LV-1063, Latvia
| | - Jean-Claude G Bünzli
- Swiss Federal Institute of Technology, Lausanne (EPFL), Switzerland.,SUSTech, Shenzhen, Guangdong, PR China
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New Coordination Polymers of Selected Lanthanides with 1,2-Phenylenediacetate Linker: Structures, Thermal and Luminescence Properties. MATERIALS 2021; 14:ma14174871. [PMID: 34500958 PMCID: PMC8432708 DOI: 10.3390/ma14174871] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/20/2021] [Accepted: 08/23/2021] [Indexed: 11/17/2022]
Abstract
Solvothermal reactions of lanthanide (III) salts with 1,2-phenylenediacetic acid in N,N'-dimethylformamide (DMF) solvent lead to the formation of the metal complexes of the general formula Ln2(1,2-pda)3(DMF)2, where Ln(III) = Pr(1), Sm(2), Eu(3), Tb(4), Dy(5), and Er(6), 1,2-pda = [C6H4(CH2COO)2]2-. The compounds were characterized by elemental analysis, powder and single-crystal X-ray diffraction methods, thermal analysis methods (TG-DSC and TG-FTIR), infrared and luminescence spectroscopy. They exhibit structural similarity in the two groups (Pr, Sm, and Eu; Tb, Dy, and Er), which was reflected in their thermal behaviours and spectroscopic properties. Single-crystal X-ray diffraction studies reveal that Sm(2) and Eu(3) complexes form 2D coordination polymers with four crystallographically independent metal centers. Every second lanthanide ion is additionally coordinated by two DMF molecules. The 1,2-phenylenediacetate linker shows different denticity being: penta- and hexadentate while carboxylate groups exhibit bidentate-bridging, bidentate-chelating, and three-dentate bridging-chelating modes. The infrared spectra reflect divergence between these two groups of complexes. The complexes of lighter lanthanides contain in the structure coordinated DMF molecules, while in the structures of heavier complexes, DMF molecules appear in the inner and outer coordination sphere. Both carboxylate groups are deprotonated and engaged in the coordination of metal centers but in different ways in such groups of complexes. In the groups, the thermal decomposition of the isostructural complexes occurs similarly. Pyrolysis of complexes takes place with the formation of such gaseous products as DMF, carbon oxides, ortho-xylene, ethers, water, carboxylic acids, and esters. The complexes of Eu and Tb exhibit characteristic luminescence in the VIS region, while the erbium complex emits NIR wavelength.
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Balashova TV, Polyakova SK, Arsenyev MV, Ilichev VA, Kukinov AA, Marugin AV, Rumyantcev RV, Fukin GK, Yablonskiy AN, Bochkarev MN. Synthesis, Structure and Luminescent Properties of Rare‐Earth‐Metal Oxyacridinates. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202001147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Tatyana V. Balashova
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences Tropinina street, Moskva, 49 60313 Nizhny Novgorod Russian Federation
| | - Svetlana K. Polyakova
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences Tropinina street, Moskva, 49 60313 Nizhny Novgorod Russian Federation
- Nizhny Novgorod State University Gagarina avenue 23/2 603950 Nizhny Novgorod Russian
| | - Maxim V. Arsenyev
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences Tropinina street, Moskva, 49 60313 Nizhny Novgorod Russian Federation
| | - Vasily A. Ilichev
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences Tropinina street, Moskva, 49 60313 Nizhny Novgorod Russian Federation
| | - Andrey A. Kukinov
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences Tropinina street, Moskva, 49 60313 Nizhny Novgorod Russian Federation
| | - Alexey V. Marugin
- Nizhny Novgorod State University Gagarina avenue 23/2 603950 Nizhny Novgorod Russian
| | - Roman V. Rumyantcev
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences Tropinina street, Moskva, 49 60313 Nizhny Novgorod Russian Federation
| | - Georgy K. Fukin
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences Tropinina street, Moskva, 49 60313 Nizhny Novgorod Russian Federation
| | - Artem N. Yablonskiy
- Institute for Physics of Microstructures of Russian Academy of Sciences Akademicheskaya street Moskva, 7 603950 Nizhny Novgorod Russian Federation
| | - Mikhail N. Bochkarev
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences Tropinina street, Moskva, 49 60313 Nizhny Novgorod Russian Federation
- Nizhny Novgorod State University Gagarina avenue 23/2 603950 Nizhny Novgorod Russian
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Chikineva TY, Koshelev DS, Medved’ko AV, Vashchenko AA, Lepnev LS, Goloveshkin AS, Utochnikova VV. Ytterbium and Europium Complexes with Naphtho[1,2]thiazole-2-carboxylic and Naphtho[2,1]thiazole-2-carboxylic Acid Anions for Organic Light-Emitting Diodes (OLED). RUSS J INORG CHEM+ 2021. [DOI: 10.1134/s0036023621020054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Kuznetsov KM, Kozlov MI, Aslandukov AN, Vashchenko AA, Medved'ko AV, Latipov EV, Goloveshkin AS, Tsymbarenko DM, Utochnikova VV. Eu(tta) 3DPPZ-based organic light-emitting diodes: spin-coating vs. vacuum-deposition. Dalton Trans 2021; 50:9685-9689. [PMID: 34231618 DOI: 10.1039/d1dt01316e] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The effect of the emission layer deposition method on the characteristics of OLEDs was studied on the example of the europium mixed-ligand complex Eu(tta)3DPPZ (tta: 2-thenoyltrifluoroacetone, DPPZ: dipyrido[3,2-a:2'c,3'c-c]phenazine). The maximum brightnesses of both OLEDs almost coincided, though OLED based on the spin-coated layer operated at lower voltages. The reason for that was the higher density and smoothness of the solution-processed layer.
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Affiliation(s)
- Kirill M Kuznetsov
- M.V. Lomonosov Moscow State University, 1/3 Leninskie Gory, Moscow, Russia.
| | - Makarii I Kozlov
- M.V. Lomonosov Moscow State University, 1/3 Leninskie Gory, Moscow, Russia.
| | - Andrey N Aslandukov
- Laboratory of Crystallography, University of Bayreuth, 95440 Bayreuth, Germany
| | | | - Aleksei V Medved'ko
- N.D. Zelinsky Institute of Organic Chemistry, 47 Leninsky Prospect, Moscow, Russia
| | - Egor V Latipov
- M.V. Lomonosov Moscow State University, 1/3 Leninskie Gory, Moscow, Russia.
| | | | | | - Valentina V Utochnikova
- M.V. Lomonosov Moscow State University, 1/3 Leninskie Gory, Moscow, Russia. and EVOLED Ltd, 1A-24 Puškina iela, Riga LV-1050, Latvia
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Role of benzothiadiazole substituents in white electroluminescent single macromolecules of fluorene-based copolymers. MENDELEEV COMMUNICATIONS 2020. [DOI: 10.1016/j.mencom.2020.03.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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