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Carneiro Neto AN, Nasalska J, Gawryszewska P, Trush VA, Sokolnicki J, Malta OL, Legendziewicz J. Intramolecular energy transfer and its influence on the overall quantum yields of Eu 3+ and Tb 3+ chelates with dimethyl(phenylsulfonyl)amidophosphate ligands. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 324:124875. [PMID: 39137707 DOI: 10.1016/j.saa.2024.124875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 07/06/2024] [Accepted: 07/22/2024] [Indexed: 08/15/2024]
Abstract
Lanthanide chelates with dimethyl(phenylsulfonyl)amidophosphate (labeled as HSP) and Lewis base ligands (bpy = 2,2;-bipyridine and phen = 1,10-phenanthroline) of formula Na[Ln(SP)4] (1Ln), [Ln(SP)3bpy] (2Ln); [Ln(SP)3phen] (3Ln) (Ln = Eu3+, Gd3+, Tb3+ and Lu3+) were obtained and characterized by the X-ray, photoluminescence spectroscopy at 293 and 77 K as well as by intrinsic (QLnLn) and overall (QLnL) luminescence quantum yields. These phosphors manifest a very strong emission after excitation in the UV range of the molecular singlet states (S1) and two of them have very high QLnL values (Eu3+ and Tb3+ chelates of the type 2Ln and 3Ln). The dynamics of the excited states are discussed based on the intramolecular energy transfer theory, considering the dipole-dipole, the dipole-multipole and the exchange mechanisms. From the calculated energy transfer rates, a rate equation model was constructed and, thus, the theoretical QLnL can be obtained. A good correlation between the experimentally determined and theoretically calculated QLnL values was achieved, with the triplet state (T1) playing a predominant role in the energy transfer process for Eu3+ compounds, while the sensitization for Tb3+ compounds is dominated by the energy transfer rates from the singlet state (S1).
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Affiliation(s)
- Albano N Carneiro Neto
- Phantom-g, CICECO-Aveiro Institute of Materials, Physics Department, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Justyna Nasalska
- Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie Str., 50-383 Wroclaw, Poland
| | - Paula Gawryszewska
- Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie Str., 50-383 Wroclaw, Poland
| | - Viktor A Trush
- Department of Chemistry, Kyiv National Taras Shevchenko University, Volodymyrska str. 64, Kyiv 01601, Ukraine
| | - Jerzy Sokolnicki
- Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie Str., 50-383 Wroclaw, Poland
| | - Oscar L Malta
- Department of Fundamental Chemistry, Federal University of Pernambuco, Recife, Pernambuco, Brazil.
| | - Janina Legendziewicz
- Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie Str., 50-383 Wroclaw, Poland.
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Santos CV, Monteiro SA, Soares ASC, Souto ICA, Moura RT. Decoding Chemical Bonds: Assessment of the Basis Set Effect on Overlap Electron Density Descriptors and Topological Properties in Comparison to QTAIM. J Phys Chem A 2023; 127:7997-8014. [PMID: 37703453 DOI: 10.1021/acs.jpca.3c04504] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
Quantum chemical bonding descriptors based on the total and overlap density can provide valuable information about chemical interactions in different systems. However, these descriptors can be sensitive to the basis set used. To address this, different numerical treatments of electron density have been proposed to reduce the basis set dependency. In this work, we introduce overlap properties (OPs) obtained through numerical treatment of the electron density and present the topology of overlap density (TOP) for the first time. We compare the basis set dependency of numerical OP and TOP descriptors with their quantum theory of atoms in molecules (QTAIM) counterparts, considering the total electron density. Three single (C-C, C-O, and C-F) bonds in ethane, methanol, and fluoromethane and two double (C═C and C═O) bonds in ethene and formaldehyde were analyzed. Diatomic molecules Li-X with X = F, Cl, and Br were also analyzed. Eight parameters, including QTAIM descriptors and OP/TOP descriptors, are used to assess the basis dependency at the ωB97X-D level of theory using 28 basis sets from three classes: Pople, Ahlrichs, and Dunning. The study revealed that the topological overlap electron density properties exhibit comparatively lesser dependence on the basis set compared to their total electron density counterparts. Remarkably, these properties retain their chemical significance even with reduced basis set dependency. Similarly, numerical OP descriptors show less basis set dependency than their QTAIM counterparts. The excess of polarization functions increases charge concentration in the interatomic region and influences both QTAIM and OP descriptors. The basis sets Def2TZVP, 6-31++G(d,p), 6-311++G(d,p), cc-pVDZ, cc-pVTZ, and cc-pVQZ demonstrate reduced variability for the tested bond classes in this study, with particular emphasis on the triple-ζ quality Ahlrichs' basis set. We recommend against using basis sets with numerous polarization functions, such as augmented Dunning's and Ahlrichs' quadruple-ζ.
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Affiliation(s)
- Carlos V Santos
- Department of Chemistry, Federal University of Paraiba, Joao Pessoa, Paraiba 58051-970, Brazil
| | - Shirlene A Monteiro
- Department of Chemistry, State University of Paraiba, Campina Grande, Paraiba 58051-970, Brazil
| | - Amanda S C Soares
- Department of Chemistry and Physics, Center of Agrarian Sciences, Federal University of Paraiba, Areia, Paraiba 58397-000, Brazil
| | - Isabeli C A Souto
- Department of Chemistry and Physics, Center of Agrarian Sciences, Federal University of Paraiba, Areia, Paraiba 58397-000, Brazil
| | - Renaldo T Moura
- Department of Chemistry and Physics, Center of Agrarian Sciences, Federal University of Paraiba, Areia, Paraiba 58397-000, Brazil
- Computational and Theoretical Chemistry Group (CATCO), Department of Chemistry, Southern Methodist University, Dallas, Texas 75275, United States
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Brites CDS, Marin R, Suta M, Carneiro Neto AN, Ximendes E, Jaque D, Carlos LD. Spotlight on Luminescence Thermometry: Basics, Challenges, and Cutting-Edge Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2302749. [PMID: 37480170 DOI: 10.1002/adma.202302749] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/05/2023] [Indexed: 07/23/2023]
Abstract
Luminescence (nano)thermometry is a remote sensing technique that relies on the temperature dependency of the luminescence features (e.g., bandshape, peak energy or intensity, and excited state lifetimes and risetimes) of a phosphor to measure temperature. This technique provides precise thermal readouts with superior spatial resolution in short acquisition times. Although luminescence thermometry is just starting to become a more mature subject, it exhibits enormous potential in several areas, e.g., optoelectronics, photonics, micro- and nanofluidics, and nanomedicine. This work reviews the latest trends in the field, including the establishment of a comprehensive theoretical background and standardized practices. The reliability, repeatability, and reproducibility of the technique are also discussed, along with the use of multiparametric analysis and artificial-intelligence algorithms to enhance thermal readouts. In addition, examples are provided to underscore the challenges that luminescence thermometry faces, alongside the need for a continuous search and design of new materials, experimental techniques, and analysis procedures to improve the competitiveness, accessibility, and popularity of the technology.
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Affiliation(s)
- Carlos D S Brites
- Phantom-g, CICECO, Departamento de Física, Universidade de Aveiro, Campus Santiago, Aveiro, 3810-193, Portugal
| | - Riccardo Marin
- Departamento de Física de Materiales, Nanomaterials for Bioimaging Group (NanoBIG), Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, 28049, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid, 28049, Spain
| | - Markus Suta
- Inorganic Photoactive Materials, Institute of Inorganic Chemistry and Structural Chemistry, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225, Düsseldorf, Germany
| | - Albano N Carneiro Neto
- Phantom-g, CICECO, Departamento de Física, Universidade de Aveiro, Campus Santiago, Aveiro, 3810-193, Portugal
| | - Erving Ximendes
- Departamento de Física de Materiales, Nanomaterials for Bioimaging Group (NanoBIG), Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, 28049, Spain
- Nanomaterials for Bioimaging Group (NanoBIG), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Hospital Ramón y Cajal, Madrid, 28034, Spain
| | - Daniel Jaque
- Departamento de Física de Materiales, Nanomaterials for Bioimaging Group (NanoBIG), Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, 28049, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid, 28049, Spain
- Nanomaterials for Bioimaging Group (NanoBIG), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Hospital Ramón y Cajal, Madrid, 28034, Spain
| | - Luís D Carlos
- Phantom-g, CICECO, Departamento de Física, Universidade de Aveiro, Campus Santiago, Aveiro, 3810-193, Portugal
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Kariaka NS, Lipa A, Carneiro Neto AN, Malta OL, Gawryszewska P, Amirkhanov VM. Eu 3+ and Tb 3+ coordination compounds with phenyl-containing carbacylamidophosphates: comparison with selected Ln 3+ β-diketonates. Front Chem 2023; 11:1188314. [PMID: 37255543 PMCID: PMC10225609 DOI: 10.3389/fchem.2023.1188314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 05/03/2023] [Indexed: 06/01/2023] Open
Abstract
Materials based on Eu3+ and Tb3+ coordination compounds are of great interest due to their strong red and green luminescence. Appropriate selection of ligands plays a huge role in optimizing their photophysical properties. Another very helpful instrument for such optimization is theoretical modelling, which permits the prediction of the emissive properties of materials through intramolecular energy transfer analysis. The ligands that allow for achieving high efficiency of Eu3+ and Tb3+ emissions include carbacylamidophosphates (CAPh, HL). In this brief review, we summarize recent research for lanthanides CAPh-based coordination compounds of general formulas Cat[LnL]4, [LnL3Q] and [Ln(HL)3(NO3)3], where Cat+ = Cs+, NEt4+, PPh4 + and Q = 1,10-phenanthroline, 2,2-bipyridine or triphenylphosphine oxide, involving the use of thermal gravimetric analysis, X-ray analysis, and absorption and luminescence spectroscopy. We carried out a comparison with selected Ln3+ β-diketonates. Possibilities and developments of theoretical calculations on energy transfer rates are also presented.
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Affiliation(s)
- Nataliia S. Kariaka
- Inorganic Chemistry Department, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
| | - Aneta Lipa
- Faculty of Chemistry, University of Wroclaw, Wroclaw, Poland
| | - Albano N. Carneiro Neto
- Physics Department, CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Oscar L. Malta
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, Brazil
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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
![]()
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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Nigoghossian K, Bouvet B, Félix G, Sene S, Costa L, Milhet PE, Carneiro Neto AN, Carlos LD, Oliviero E, Guari Y, Larionova J. Magneto-Induced Hyperthermia and Temperature Detection in Single Iron Oxide Core-Silica/Tb 3+/Eu 3+(Acac) Shell Nano-Objects. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12183109. [PMID: 36144897 PMCID: PMC9503042 DOI: 10.3390/nano12183109] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/01/2022] [Accepted: 09/03/2022] [Indexed: 06/02/2023]
Abstract
Multifunctional nano-objects containing a magnetic heater and a temperature emissive sensor in the same nanoparticle have recently emerged as promising tools towards personalized nanomedicine permitting hyperthermia-assisted treatment under local temperature control. However, a fine control of nano-systems' morphology permitting the synthesis of a single magnetic core with controlled position of the sensor presents a main challenge. We report here the design of new iron oxide core-silica shell nano-objects containing luminescent Tb3+/Eu3+-(acetylacetonate) moieties covalently anchored to the silica surface, which act as a promising heater/thermometer system. They present a single magnetic core and a controlled thickness of the silica shell, permitting a uniform spatial distribution of the emissive nanothermometer relative to the heat source. These nanoparticles exhibit the Tb3+ and Eu3+ characteristic emissions and suitable magnetic properties that make them efficient as a nanoheater with a Ln3+-based emissive self-referencing temperature sensor covalently coupled to it. Heating capacity under an alternating current magnetic field was demonstrated by thermal imaging. This system offers a new strategy permitting a rapid heating of a solution under an applied magnetic field and a local self-referencing temperature sensing with excellent thermal sensitivity (1.64%·K-1 (at 40 °C)) in the range 25-70 °C, good photostability, and reproducibility after several heating cycles.
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Affiliation(s)
| | - Basile Bouvet
- ICGM, University of Montpellier, CNRS, ENSCM, 34000 Montpellier, France
| | - Gautier Félix
- ICGM, University of Montpellier, CNRS, ENSCM, 34000 Montpellier, France
| | - Saad Sene
- ICGM, University of Montpellier, CNRS, ENSCM, 34000 Montpellier, France
| | - Luca Costa
- Centre de Biologie Structurale (CBS), University of Montpellier, CNRS, INSERM, 34000 Montpellier, France
| | - Pierre-Emmanuel Milhet
- Centre de Biologie Structurale (CBS), University of Montpellier, CNRS, INSERM, 34000 Montpellier, France
| | - Albano N. Carneiro Neto
- Phantom-G, Physics Department and CICECO—Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Luis D. Carlos
- Phantom-G, Physics Department and CICECO—Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Erwan Oliviero
- ICGM, University of Montpellier, CNRS, ENSCM, 34000 Montpellier, France
| | - Yannick Guari
- ICGM, University of Montpellier, CNRS, ENSCM, 34000 Montpellier, France
| | - Joulia Larionova
- ICGM, University of Montpellier, CNRS, ENSCM, 34000 Montpellier, France
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7
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Kasprzycka E, Carneiro Neto AN, Trush VA, Malta OL, Jerzykiewicz L, Amirkhanov VM, Legendziewicz J, Gawryszewska P. Spectroscopic aspects for the Yb 3+ coordination compound with a large energy gap between the ligand and Yb 3+ excited states. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 274:121072. [PMID: 35248854 DOI: 10.1016/j.saa.2022.121072] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 02/14/2022] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
We present the experimental and theoretical results that made it possible to propose the energy transfer mechanism for a Yb complex with a large energy gap between the ligand and Yb excited states using a theoretical model and experimental data. Absorption and emission spectroscopy in the 300-4 K range is used for the study of the Yb3+ compound with N-phosphorylated sulfonamide (Na[YbL4]), which, despite the large energy gap, is characterized by high emission sensitization efficiency (ηsens = 40%) and relatively long Yb3+ emission lifetime (27 μs). The crystal structure of Na[YbL4], radiative lifetime (930 μs), refractive index (1.46), intrinsic (3.0%), and overall (1.3%) emission quantum yield were determined. To obtain the electronic properties of the Na[YbL4], a time-dependent density functional theory (TD-DFT) was performed. The intramolecular energy transfer (IET) rates from the excited states S1 and T1 to the Yb3+ ion as well as between the ligand and the ligand-to-metal charge transfer (LMCT) states were calculated. Once the intersystem crossing S1 → T1 is not so effective due to a large energy gap between S1 and T1 (≈10000 cm-1), it has been shown that the LMCT state acts as an additional channel to feed the T1 state. Then, the T1 can transfer energy to the Yb3+ 2F5/2 energy level (WT), where WT is dominated by the exchange mechanism. Based on IET and a rate equation model, the overall emission quantum yield QLLn was simulated with and without the LMCT, this also confirmed that the pathway S1 → LMCT → T1 → Yb3+ is more likely than the S1 → T1 → Yb3+ one.
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Affiliation(s)
- Ewa Kasprzycka
- Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie Str., 50-383 Wroclaw, Poland
| | - Albano N Carneiro Neto
- Physics Department and CICECO-Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Viktor A Trush
- Department of Chemistry, Kyiv National Taras Shevchenko University, Volodymyrska str. 64, Kyiv 01601, Ukraine
| | - Oscar L Malta
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Cidade Universitária, 50740-560 Recife, Brazil.
| | - Lucjan Jerzykiewicz
- Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie Str., 50-383 Wroclaw, Poland
| | - Vladimir M Amirkhanov
- Department of Chemistry, Kyiv National Taras Shevchenko University, Volodymyrska str. 64, Kyiv 01601, Ukraine
| | - Janina Legendziewicz
- Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie Str., 50-383 Wroclaw, Poland
| | - Paula Gawryszewska
- Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie Str., 50-383 Wroclaw, Poland.
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Kariaka N, Trush VA, Dyakonenko VV, Shishkina SV, Smola SS, Rusakova NV, Sliva TY, Gawryszewska P, Neto ANC, Malta OL, Amirkhanov VM. New luminescent lanthanide tetrakis - complexes NEt4[LnL4] based on dimethyl-N-benzoylamidophosphate. Chemphyschem 2022; 23:e202200129. [PMID: 35536851 DOI: 10.1002/cphc.202200129] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/10/2022] [Indexed: 11/10/2022]
Abstract
The new lanthanide dimethyl-N-benzoylamidophosphate (HL) based tetrakis-complexes NEt 4 [LnL 4 ] (Ln 3+ = La, Nd, Sm, Eu, Gd, Tb, Dy) are reported. The complexes are characterized by means of NMR, IR, absorption, and luminescent spectroscopy as well as by elemental, X-Ray, and thermal gravimetric analyses. The phenyl groups of the four ligands of the complex anion are directed towards one side, while the methoxy groups are directed in the opposite side, which makes the complexes under consideration structurally similar to calixarenes. The effect of changing the alkali metal counterion to the organic cation NEt 4 + on the structure and properties of the tetrakis-complex [LnL4]- is analyzed. The complexes exhibit bright characteristic for respective lanthanides luminescence. Rather high intensity of the band of 5 D 0 → 7 F 4 transition, observed in the luminescence spectrum of NEt 4 [EuL 4 ], is discussed based on theoretical calculations.
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Affiliation(s)
- Natalia Kariaka
- Taras Shevchenko National University of Kyiv, Department of Chemistry, 64/13, Volodymyrska Street, 01601, Kyiv, UKRAINE
| | - Victor A Trush
- Taras Shevchenko National University of Kyiv: Kiivs'kij nacional'nij universitet imeni Tarasa Sevcenka, inorganic chemistry, UKRAINE
| | - Viktoriya V Dyakonenko
- Institute for Single Crystals NASU: Naukovo-tehnologicnij kompleks Institut monokristaliv Nacional'na akademia nauk Ukraini, -, UKRAINE
| | - Svitlana V Shishkina
- Institute for Single Crystals NASU: Naukovo-tehnologicnij kompleks Institut monokristaliv Nacional'na akademia nauk Ukraini, -, UKRAINE
| | - Sergii S Smola
- A V Bogatsky Physico-Chemical Institute NASU: Fiziko-himicnij institut imeni O V Bogatskogo Nacional'na akademia nauk Ukraini, Chemistry of lanthanides, UKRAINE
| | - Nataliia V Rusakova
- A V Bogatsky Physico-Chemical Institute NASU: Fiziko-himicnij institut imeni O V Bogatskogo Nacional'na akademia nauk Ukraini, chemistry of lanthanides, UKRAINE
| | - Tetiana Y Sliva
- Taras Shevchenko National University of Kyiv: Kiivs'kij nacional'nij universitet imeni Tarasa Sevcenka, inorganic chemistry, UKRAINE
| | - Paula Gawryszewska
- University of Wroclaw: Uniwersytet Wroclawski, faculty of chemistry, POLAND
| | - Albano N Carneiro Neto
- University of Aveiro: Universidade de Aveiro, Physics Dep. and CICECO-Aveiro Materials Institute, BRAZIL
| | - Oscar L Malta
- Universidade Federal de Pernambuco, de Quirmica Fundamental, BRAZIL
| | - Vladimir M Amirkhanov
- Taras Shevchenko National University of Kyiv: Kiivs'kij nacional'nij universitet imeni Tarasa Sevcenka, inorganic chemistry, UKRAINE
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Santos-Jr CV, A. F. de Souza M, Kraka E, Moura Jr RT. Analysis of spectator chemical bonds in SN2@C and @Si reaction mechanisms in the gas phase. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2021.139282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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10
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Qin X, Liu X. First-principles calculations of strain engineering in NaYF 4-based nanocrystals with hydroxyl impurities. NANOSCALE 2021; 13:19561-19567. [PMID: 34807210 DOI: 10.1039/d1nr06904g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Lanthanide-based nanocrystals with heterogeneous core-shell structures possess elastic strain due to lattice mismatch and volumetric expansion or shrinkage. Strain relaxation is usually accompanied by lattice defects, especially those point defects and small defect clusters. However, the influence of strain on the formation of lattice defects remains unclear. Using OH- ions as a representative lattice impurity, first-principles calculations can be used to address the correlation between the thermodynamic stability of OH-based substitutional defects and elastic strain. Moreover, the concentration of OH- impurities in both strained and relaxed sodium yttrium fluoride lattices can be greatly reduced by increasing the concentration of fluoride-containing precursors. These findings suggest that minimal incorporation of OH- ions effectively suppresses multiphonon nonradiative relaxation and thus boost the efficiency of upconversion conversion.
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Affiliation(s)
- Xian Qin
- Department of Chemistry, National University of Singapore, Singapore 117543.
| | - Xiaogang Liu
- Department of Chemistry, National University of Singapore, Singapore 117543.
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Santos-Jr CV, Lima EM, Moura Jr RT. Numerical integration of overlap electron densities: Parallelization strategies for a good load balancing using OpenMP. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Qin X, Carneiro Neto AN, Longo RL, Wu Y, Malta OL, Liu X. Surface Plasmon-Photon Coupling in Lanthanide-Doped Nanoparticles. J Phys Chem Lett 2021; 12:1520-1541. [PMID: 33534586 DOI: 10.1021/acs.jpclett.0c03613] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Lanthanide-doped nanoparticles have great potential for energy conversion applications, as their optical properties can be precisely controlled by varying the doping composition, concentration, and surface structures, as well as through plasmonic coupling. In this Perspective we highlight recent advances in upconversion emission modulation enabled by coupling upconversion nanoparticles with well-defined plasmonic nanostructures. We emphasize fundamental understanding of luminescence enhancement, monochromatic emission amplification, lifetime tuning, and polarization control at nanoscale. The interplay between localized surface plasmons and absorbed photons at the plasmonic metal-lanthanide interface substantially enriches the interpretation of plasmon-coupled nonlinear photophysical processes. These studies will enable novel functional nanomaterials or nanostructures to be designed for a multitude of technological applications, including biomedicine, lasing, optogenetics, super-resolution imaging, photovoltaics, and photocatalysis.
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Affiliation(s)
- Xian Qin
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Albano N Carneiro Neto
- Phantom-g, CICECO-Aveiro Institute of Materials, Department of Physics, University of Aveiro, Aveiro 3810-193, Portugal
| | - Ricardo L Longo
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife 50740-560, Brazil
| | - Yiming Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Oscar L Malta
- Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife 50740-560, Brazil
| | - Xiaogang Liu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
- Center for Functional Materials, National University of Singapore Suzhou Research Institute, Suzhou 215123, China
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Moura RT, Oliveira JA, Santos IA, Lima EM, Carlos LD, Aguiar EC, Neto ANC. Theoretical Evidence of the Singlet Predominance in the Intramolecular Energy Transfer in Ruhemann's Purple Tb(III) Complexes. ADVANCED THEORY AND SIMULATIONS 2021. [DOI: 10.1002/adts.202000304] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Renaldo T. Moura
- Department of Chemistry and Physics Center of Agrarian Sciences Federal University of Paraíba Campus II − University City Areia PB 58397‐000 Brazil
| | - Jhulie A. Oliveira
- Academic Unity of Serra Talhada Federal Rural University of Pernambuco Serra Talhada PE 56909‐535 Brazil
| | - Inácio A. Santos
- Academic Unity of Serra Talhada Federal Rural University of Pernambuco Serra Talhada PE 56909‐535 Brazil
| | - Ewerton M. Lima
- Department of Chemistry and Physics Center of Agrarian Sciences Federal University of Paraíba Campus II − University City Areia PB 58397‐000 Brazil
| | - Luís D. Carlos
- Phantom‐g CICECO – Aveiro Institute of Materials Department of Physics University of Aveiro Aveiro 3810‐193 Portugal
| | - Eduardo C. Aguiar
- Academic Unity of Serra Talhada Federal Rural University of Pernambuco Serra Talhada PE 56909‐535 Brazil
| | - Albano N. Carneiro Neto
- Phantom‐g CICECO – Aveiro Institute of Materials Department of Physics University of Aveiro Aveiro 3810‐193 Portugal
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Aquino LEDN, Barbosa GA, Ramos JDL, O K Giese S, Santana FS, Hughes DL, Nunes GG, Fu L, Fang M, Poneti G, Carneiro Neto AN, Moura RT, Ferreira RAS, Carlos LD, Macedo AG, Soares JF. Seven-Coordinate Tb 3+ Complexes with 90% Quantum Yields: High-Performance Examples of Combined Singlet- and Triplet-to-Tb 3+ Energy-Transfer Pathways. Inorg Chem 2021; 60:892-907. [PMID: 33393287 DOI: 10.1021/acs.inorgchem.0c03020] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Seven-coordinate, pentagonal-bipyramidal (PBP) complexes [Ln(bbpen)Cl] and [Ln(bbppn)Cl], in which Ln = Tb3+ (products I and II), Eu3+ (III and IV), and Gd3+ (V and VI), with bbpen2- = N,N'-bis(2-oxidobenzyl)-N,N'-bis(pyridin-2-ylmethyl)ethylenediamine and bbppn2- = N,N'-bis(2-oxidobenzyl)-N,N'-bis(pyridin-2-ylmethyl)-1,2-propanediamine, were synthesized and characterized by single-crystal X-ray diffraction analysis, alternating-current magnetic susceptibility measurements, and photoluminescence (steady-state and time-resolved) spectroscopy. Under a static magnetic field of 0.1 T, the Tb3+ complexes I and II revealed single-ion-magnet behavior. Also, upon excitation at 320 nm at 300 K, I and II presented very high absolute emission quantum yields (0.90 ± 0.09 and 0.92 ± 0.09, respectively), while the corresponding Eu3+ complexes III and IV showed no photoluminescence. Detailed theoretical calculations on the intramolecular energy-transfer rates for the Tb3+ products indicated that both singlet and triplet ligand excited states contribute efficiently to the overall emission performance. The expressive quantum yields, QLnL, measured for I and II in the solid state and a dichloromethane solution depend on the excitation wavelength, being higher at 320 nm. Such a dependence was rationalized by computing the intersystem crossing rates (WISC) and singlet fluorescence lifetimes (τS) related to the population dynamics of the S1 and T1 levels. Thin films of product II showed high air stability and photostability upon continuous UV illumination, which allowed their use as downshifting layers in a green light-emitting device (LED). The prototypes presented a luminous efficacy comparable with those found in commercial LED coatings, without requiring encapsulation or dispersion of II in host matrixes. The results indicate that the PBP environment determined by the ethylenediamine (en)-based ligands investigated in this work favors the outstanding optical properties in Tb3+ complexes. This work presents a comprehensive structural, chemical, and spectroscopic characterization of two Tb3+ complexes of mixed-donor, en-based ligands, focusing on their outstanding optical properties. They constitute good molecular examples in which both triplet and singlet excited states provide energy to the Tb3+ ion and lead to high values of QLnL.
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Affiliation(s)
| | - Guilherme A Barbosa
- Department of Chemistry, Federal University of Paraná, 81530-900 - Curitiba-PR, Brazil
| | - Jaqueline de L Ramos
- Department of Chemistry, Federal University of Paraná, 81530-900 - Curitiba-PR, Brazil
| | - Siddhartha O K Giese
- Department of Chemistry, Federal University of Paraná, 81530-900 - Curitiba-PR, Brazil
| | - Francielli S Santana
- Department of Chemistry, Federal University of Paraná, 81530-900 - Curitiba-PR, Brazil
| | - David L Hughes
- School of Chemistry, University of East Anglia, Norwich NR4 7TJ, U.K
| | - Giovana G Nunes
- Department of Chemistry, Federal University of Paraná, 81530-900 - Curitiba-PR, Brazil
| | - Lianshe Fu
- Phantom-g, CICECO - Aveiro Institute of Materials, Department of Physics, University of Aveiro, 3810-193 - Aveiro, Portugal
| | - Ming Fang
- Phantom-g, CICECO - Aveiro Institute of Materials, Department of Physics, University of Aveiro, 3810-193 - Aveiro, Portugal
| | - Giordano Poneti
- Institute of Chemistry, Federal University of Rio de Janeiro, 21941-909 - Rio de Janeiro-RJ, Brazil
| | - Albano N Carneiro Neto
- Phantom-g, CICECO - Aveiro Institute of Materials, Department of Physics, University of Aveiro, 3810-193 - Aveiro, Portugal
| | - Renaldo T Moura
- Department of Chemistry and Physics, Federal University of Paraíba, 58397-000 - Areia-PB, Brazil
| | - Rute A S Ferreira
- Phantom-g, CICECO - Aveiro Institute of Materials, Department of Physics, University of Aveiro, 3810-193 - Aveiro, Portugal
| | - Luís D Carlos
- Phantom-g, CICECO - Aveiro Institute of Materials, Department of Physics, University of Aveiro, 3810-193 - Aveiro, Portugal
| | - Andreia G Macedo
- Phantom-g, CICECO - Aveiro Institute of Materials, Department of Physics, University of Aveiro, 3810-193 - Aveiro, Portugal.,Department of Physics, Federal University of Technology, 80230-901 - Curitiba, PR, Brazil
| | - Jaísa F Soares
- Department of Chemistry, Federal University of Paraná, 81530-900 - Curitiba-PR, Brazil
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