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Calado CMS, Gálico DA, Murugesu M. Composition Control in Molecular Cluster-Aggregates: A Toolbox for Optical Output Tunability via Energy Transfer Pathways. ACS APPLIED MATERIALS & INTERFACES 2023; 15:44137-44146. [PMID: 37695985 DOI: 10.1021/acsami.3c10648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/13/2023]
Abstract
Composition control is a powerful tool for obtaining high-performance lanthanide (Ln) luminescent materials with adjustable optical outputs. This strategy is well-established for hierarchically structured nanoparticles, but it is rarely applied to molecular compounds due to the limited number of metal centers within a single unit. In this work, we present a series of molecular cluster-aggregates (MCAs) with an icosanuclear core {Ln2Eu2Tb16} (Ln = Ce, Pr, Nd, Sm, Gd, Dy, Ho, Er, Tm, and Yb) in which we explore composition control, akin to nanoparticles, to modulate the optical output. More specifically, we target to understand how the presence of a third LnIII doping ion would impact the well-known TbIII → EuIII energy transfer and the ratiometric optical thermometry performance based on the TbIII/EuIII pair. Photophysical properties at room and at varying temperatures were investigated. Based on experimental data and well-established intrinsic features, such as spin-orbit coupling strength and LnIII 4f energy levels' structure, we discuss the possible luminescent processes present in each MCA and provide insight into qualitative trends that can be rationally correlated throughout the series.
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Affiliation(s)
- Claudia M S Calado
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Diogo A Gálico
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Muralee Murugesu
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
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Gálico DA, Murugesu M. Boosting the sensitivity with time-gated luminescence thermometry using a nanosized molecular cluster aggregate. NANOSCALE 2023; 15:5778-5785. [PMID: 36857687 DOI: 10.1039/d2nr06382d] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Luminescence thermometry with trivalent lanthanide ions is a promising avenue for contactless temperature probing. The area has been growing exponentially for the last two decades, and its viability has been successfully demonstrated in various research domains. However, moving from laboratory equipment to real-life applications remains a challenging task. One of the reasons is the possibility of a background luminescence from the probing device or probed environment. To tackle this issue, we elegantly incorporate a rarely explored thermometric approach called time-gated luminescence thermometry (TGLT). Furthermore, we demonstrate an enhanced relative sensitivity through this innovative approach and a path to move toward practical application.
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Affiliation(s)
- Diogo Alves Gálico
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
| | - Muralee Murugesu
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada.
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Carneiro Neto AN, Moura RT, Carlos LD, Malta OL, Sanadar M, Melchior A, Kraka E, Ruggieri S, Bettinelli M, Piccinelli F. Dynamics of the Energy Transfer Process in Eu(III) Complexes Containing Polydentate Ligands Based on Pyridine, Quinoline, and Isoquinoline as Chromophoric Antennae. Inorg Chem 2022; 61:16333-16346. [PMID: 36201622 PMCID: PMC9580001 DOI: 10.1021/acs.inorgchem.2c02330] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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In this work, we investigated from a theoretical point
of view
the dynamics of the energy transfer process from the ligand to Eu(III)
ion for 12 isomeric species originating from six different complexes
differing by nature of the ligand and the total charge. The cationic
complexes present the general formula [Eu(L)(H2O)2]+ (where L = bpcd2– = N,N′-bis(2-pyridylmethyl)-trans-1,2-diaminocyclohexane N,N′-diacetate;
bQcd2– = N,N′-bis(2-quinolinmethyl)-trans-1,2-diaminocyclohexane N,N′-diacetate; and bisoQcd2– = N,N′-bis(2-isoquinolinmethyl)-trans-1,2-diaminocyclohexane N,N′-diacetate), while the neutral complexes present
the Eu(L)(H2O)2 formula (where L = PyC3A3– = N-picolyl-N,N′,N′-trans-1,2-cyclohexylenediaminetriacetate; QC3A3– = N-quinolyl-N,N′,N′-trans-1,2-cyclohexylenediaminetriacetate;
and isoQC3A3– = N-isoquinolyl-N,N′,N′-trans-1,2-cyclohexylenediaminetriacetate).
Time-dependent density functional theory (TD-DFT) calculations provided
the energy of the ligand excited donor states, distances between donor
and acceptor orbitals involved in the energy transfer mechanism (RL), spin-orbit coupling matrix elements, and
excited-state reorganization energies. The intramolecular energy transfer
(IET) rates for both singlet-triplet intersystem crossing and ligand-to-metal
(and vice versa) involving a multitude of ligand and Eu(III) levels
and the theoretical overall quantum yields (ϕovl)
were calculated (the latter for the first time without the introduction
of experimental parameters). This was achieved using a blend of DFT,
Judd–Ofelt theory, IET theory, and rate equation modeling.
Thanks to this study, for each isomeric species, the most efficient
IET process feeding the Eu(III) excited state, its related physical
mechanism (exchange interaction), and the reasons for a better or
worse overall energy transfer efficiency (ηsens)
in the different complexes were determined. The spectroscopically
measured ϕovl values are in good agreement with the
ones obtained theoretically in this work. Photophysical properties of 12 Eu(III)
complexes with pyridine,
quinoline, and isoquinoline ligands in aqueous solutions were elucidated
and predicted through a theoretical protocol using a blend of DFT,
Judd−Ofelt theory, intramolecular energy transfer theory, and
coupled rate equation modeling calculations. The theoretical procedure
is general and can be extended to any lanthanide-based complexes.
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Affiliation(s)
- Albano N Carneiro Neto
- Physics Department and CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193Aveiro, Portugal
| | - Renaldo T Moura
- Department of Chemistry and Physics, Federal University of Paraíba, 58397-000Areia, Brazil.,Department of Chemistry, Southern Methodist University, Dallas, Texas75275-0314, United States
| | - Luís D Carlos
- Physics Department and CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193Aveiro, Portugal
| | - Oscar L Malta
- Department of Fundamental Chemistry, Federal University of Pernambuco, 50740-560Recife, Brazil
| | - Martina Sanadar
- Dipartimento Politecnico di Ingegneria e Architettura, Laboratorio di Tecnologie Chimiche, University of Udine, 33100Udine, Italy
| | - Andrea Melchior
- Dipartimento Politecnico di Ingegneria e Architettura, Laboratorio di Tecnologie Chimiche, University of Udine, 33100Udine, Italy
| | - Elfi Kraka
- Department of Chemistry, Southern Methodist University, Dallas, Texas75275-0314, United States
| | - Silvia Ruggieri
- Luminescent Materials Laboratory, Department of Biotechnology, University of Verona and INSTM, UdR Verona, 37134Verona, Italy
| | - Marco Bettinelli
- Luminescent Materials Laboratory, Department of Biotechnology, University of Verona and INSTM, UdR Verona, 37134Verona, Italy
| | - Fabio Piccinelli
- Luminescent Materials Laboratory, Department of Biotechnology, University of Verona and INSTM, UdR Verona, 37134Verona, Italy
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Moura JL, Costa IF, Santos PRS, Silva IF, Moura RT, Carneiro Neto AN, Faustino WM, Brito HF, Sabino JR, Teotonio EES. Enhancing the Luminescence of Eu(III) Complexes with the Ruthenocene Organometallic Unit as Ancillary Ligand. Inorg Chem 2022; 61:13510-13524. [PMID: 35984305 DOI: 10.1021/acs.inorgchem.2c02115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Five novel Eu(III)-β-diketonate complexes containing ruthenocene ancillary ligands (1,1'-bis(diphenylphosphoryl)ruthenocene─RcBPO) were synthesized and characterized. The coordination compounds presented the general formula [Eu(β-dik)3(RcBPO)], where β-dik stands for 2-thenoyltrifluoroacetonate (tta), 3-benzoyl-1,1,1-trifluoroacetone (btf), 2-dibenzoylmethanate (dbm), 2-acetyl-1,3-indandionate (aind), and 2-benzoyl-1,3-indandionate (bind), and RcBPO stands for 1,1'-bis(diphenylphosphoryl)ruthenocene. The [Eu(aind)3(RcBPO)] complex crystallizes in a monoclinic Cc non-centrosymmetric space group with the europium site environment, assuming a bicapped trigonal prism coordination polyhedron with the symmetry point group close to C2v. Photoluminescent properties for the solid-state samples were described in terms of excitation, emission, lifetime decay curves, and intrinsic and overall quantum yields. The replacement of the two coordinated H2O molecules by the RcBPO ancillary ligand leads to great enhancements of the overall quantum yields (QEuL), with the minimum increment by a factor of 5 for the case of [Eu(btf)3(RcBPO)] and the maximum enhancement of 270 times for the case of the [Eu(dbm)3(RcBPO)] complex. In addition, theoretical calculations were carried out to model the spectroscopic properties of the investigated compounds. To obtain theoretical Judd-Ofelt parameters (Ωλ, λ = 2, 4, and 6) and intramolecular energy transfer rates, the JOYSpectra web platform was employed using the structure obtained from density functional theory calculations. Hence, a rate equation model provided theoretical overall quantum yields, which are in great agreement with measured data.
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Affiliation(s)
- Jandeilson L Moura
- Department of Chemistry, Federal University of Paraíba, 58051-970 João Pessoa, Paraiba, Brazil
| | - Israel F Costa
- Department of Chemistry, Federal University of Paraíba, 58051-970 João Pessoa, Paraiba, Brazil.,Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, 05508-000 São Paulo, São Paulo, Brazil
| | - Paulo R S Santos
- Department of Chemistry, Federal University of Paraíba, 58051-970 João Pessoa, Paraiba, Brazil
| | - Iran F Silva
- Department of Chemistry, Federal University of Paraíba, 58051-970 João Pessoa, Paraiba, Brazil
| | - Renaldo T Moura
- Department of Chemistry and Physics, Federal University of Paraíba, 58397-000 Areia, Paraiba, Brazil.,Department of Chemistry, Southern Methodist University, 75275-0314 Dallas, Texas, United States
| | - Albano N Carneiro Neto
- Physics Department and CICECO─Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Wagner M Faustino
- Department of Chemistry, Federal University of Paraíba, 58051-970 João Pessoa, Paraiba, Brazil
| | - Hermi F Brito
- Department of Fundamental Chemistry, Institute of Chemistry, University of São Paulo, 05508-000 São Paulo, São Paulo, Brazil
| | - José R Sabino
- Institute of Physics, Federal University of Goiás, 74690-900 Goiânia, Goiás, Brazil
| | - Ercules E S Teotonio
- Department of Chemistry, Federal University of Paraíba, 58051-970 João Pessoa, Paraiba, Brazil.,Institute of Inorganic Chemistry, Christian-Albrechts University of Kiel, 24118 Kiel, Germany
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Controlling the Energy‐Transfer Processes in a Nanosized Molecular Upconverter to Tap into Luminescence Thermometry Application. Angew Chem Int Ed Engl 2022; 61:e202204839. [DOI: 10.1002/anie.202204839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Indexed: 11/07/2022]
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Jiajaroen S, Dungkaew W, Kielar F, Sukwattanasinitt M, Sahasithiwat S, Zenno H, Hayami S, Azam M, Al-Resayes SI, Chainok K. Four series of lanthanide coordination polymers based on the tetrabromobenzene-1,4-dicarboxylate ligand: structural diversity and multifunctional properties. Dalton Trans 2022; 51:7420-7435. [PMID: 35506589 DOI: 10.1039/d2dt00007e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Four series of lanthanide-based coordination polymers (LnCPs), namely [Ln(Br4bdc)1.5(MeOH)3] (1Ln; Ln = Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy), [Ln2(Br4bdc)2(NO3)2(MeOH)4] (2Ln; Ln = Ce, Pr, Nd, Sm), [Ln(Br4bdc)(NO3)(MeOH)] (3Ln; Ln = Gd, Tb, Dy), and [Ln2(Br4bdc)3(H2O)2.3(MeOH)2.7] (4Ln; Ln = Gd, Tb, Dy) have been synthesized by reacting hydrated lanthanide(III) salts with tetrabromobenzene-1,4-dicarboxylic acid (H2Br4bdc) in different solvents under solvothermal conditions. The structural diversity found in the system mainly resulted from the effects of anions, solvents, and the variation in the ionic radii of the lanthanide(III) ions. Compounds in series 1Ln feature a two-dimensional (2D) layered structure with sql topology based on {(Ln(COO)2)2(μ-COO)2} secondary building units (SBUs). Compounds in series 2Ln and 3Ln comprise, respectively, infinite uniform and alternate chains of {Ln(COO)2}n SBUs that are assembled into a similar network topology to 1Ln. Meanwhile, compounds in series 4Ln feature 3D coordination networks of a pcu α-Po topological net consisting of binuclear {Ln2(COO)3} SBUs. The formation of polymeric networks in series 1Ln-4Ln is facilitated by the numerous coordination sites of the ligand Br4bdc2- and the fact that its bromine atoms can participate in the formation of various types of intermolecular interactions. The solid-state photoluminescence studies on Eu- (1Eu) and Tb- (1Tb, 3Tb, 4Tb) containing compounds indicate that the Br4bdc2- ligands can efficiently sensitize Eu3+ and Tb3+ emission. Notably, such compounds exhibit highly sensitive fluorescence sensing for acetone, water, and Fe3+ ions via the fluorescence quenching effect. As the representatives of the series, activated 1Eu, 2Pr, 3Tb, and 4Tb show the maximum CO2 uptake capacities of 170.4, 273.7, 255.3, and 303.5 cm3 g-1, respectively, at 50 bar and 298 K with good repeatability of the adsorption-desorption properties. Magnetic studies indicate that the Gd- and Dy-based compounds 1Gd, 1Dy, 3Gd, 3Dy, and 4Gd show simple paramagnetic behaviours, whereas compound 4Dy exhibits weak ferromagnetic interactions.
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Affiliation(s)
- Suwadee Jiajaroen
- Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications (TU-MCMA), Faculty of Science and Technology, Thammasat University, Pathum Thani 12121, Thailand. .,Department of Chemistry, Faculty of Science and Technology, Thammasat University, Pathum Thani 12121, Thailand
| | - Winya Dungkaew
- Department of Chemistry, Faculty of Science, Mahasarakham University, Maha Sarakham, 43100, Thailand
| | - Filip Kielar
- Department of Chemistry, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand
| | | | - Somboon Sahasithiwat
- National Metal and Materials Technology Center (MTEC), The National Science and Technology Development Agency, Pathum Thani 12121, Thailand
| | - Hikaru Zenno
- Department of Chemistry, Graduate School of Science and Technology and Institute of Pulsed Power Science, Ku-mamoto University, 2-39-1 Kurokami, Chuoku, Kumamoto, 860-8555 Japan
| | - Shinya Hayami
- Department of Chemistry, Graduate School of Science and Technology and Institute of Pulsed Power Science, Ku-mamoto University, 2-39-1 Kurokami, Chuoku, Kumamoto, 860-8555 Japan
| | - Mohammad Azam
- Department of Chemistry, College of Sciences, King Saud University, PO BOX 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Saud I Al-Resayes
- Department of Chemistry, College of Sciences, King Saud University, PO BOX 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Kittipong Chainok
- Thammasat University Research Unit in Multifunctional Crystalline Materials and Applications (TU-MCMA), Faculty of Science and Technology, Thammasat University, Pathum Thani 12121, Thailand.
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Gálico DA, Murugesu M. Controlling the Energy‐Transfer Processes in a Nanosized Molecular Upconverter to Tap into Luminescence Thermometry Application. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202204839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Diogo A. Gálico
- University of Ottawa Chemistry 10 marie curieOttawa K1N6N5 Ottawa CANADA
| | - Muralee Murugesu
- Faculty of Science Department of Chemistry University of OttawaD'Iorio Hall 10 Marie Curie Private K1N 6N5 Ottowa CANADA
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Gálico DA, Murugesu M. Inside-Out/Outside-In Tunability in Nanosized Lanthanide-Based Molecular Cluster-Aggregates: Modulating the Luminescence Thermometry Performance via Composition Control. ACS APPLIED MATERIALS & INTERFACES 2021; 13:47052-47060. [PMID: 34559510 DOI: 10.1021/acsami.1c13684] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Modulating the optical property of a material via structural modification is a powerful tool for obtaining the desired optical output. If a material can be tuned inside (core) and outside (outer shell), then the degree of control is greater toward application. Herein, we present a lanthanide-based nanosized molecular cluster aggregate (MCA) that allows fine-tuning of the inner core via composition control akin to nanoparticles. At the same time, the tunable outer shell enables light-harvesting properties similar to molecular systems. As such {Eu4Tb16}, {Eu3Gd5Tb12}, {Eu2Gd10Tb8}, and {Eu1Gd15Tb4} compositions were synthesized, and their photophysical properties were investigated in solution and in the solid state. Controlling the composition and spacing of the emitter ions with the optically silent GdIII ions results in a decrease in the TbIII → EuIII energy-transfer process efficiency. Consequently, ratiometric luminescence thermometry performance is fine-tuned to reach a maximum relative sensitivity of 4.17% °C-1 at 36 °C for the {Eu4Tb16} MCA. This study demonstrates that the optical properties are intrinsic to individual MCA species rather than a collective intermolecular effect. The color change observed close to room temperature for {Eu2Gd10Tb8} suggests potential applications such as multistage anticounterfeiting technology.
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Affiliation(s)
- Diogo A Gálico
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Muralee Murugesu
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
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