1
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Lu W, Yan W, Guo R, Zheng J, Bian Z, Liu Z. Upconversion Luminescence in a Photostable Ion-Paired Yb-Eu Heteronuclear Complex. Angew Chem Int Ed Engl 2024; 63:e202413069. [PMID: 39045802 DOI: 10.1002/anie.202413069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2024] [Revised: 07/19/2024] [Accepted: 07/22/2024] [Indexed: 07/25/2024]
Abstract
Lanthanide-based upconversion molecular complexes have potential application in diverse fields and attracted considerable research interest in recent years. However, the similar coordination reactivity of lanthanide ions has constrained the designability of target molecule with well-defined structure, and many attempts obtained statistical mixtures. Herein, an ion-paired Yb-Eu heteronuclear complex [Eu(TpPy)2][Yb(ND)4] (TpPy=tris[3-(2-pyridyl)pyrazolyl]hydroborate, ND=3-cyano-2-methyl-1,5-naphthyridin-4-olate) was designed and synthesized. Thanks to the radius difference between Eu3+ (1.07 Å) and Yb3+ (0.98 Å) ions, the hexadentate TpPy ligand was selected to coordinate with Eu3+ and the Yb3+ with a smaller radius was chelated by bidentate ND ligand. As a result, the sites of Eu3+ and Yb3+ in the complex can be clarified by high-resolution mass spectrometry and single-crystal structure analysis. Upon the excitation of Yb3+ at 980 nm, the upconversion emission of Eu3+ was realized through a cooperative sensitization process. Furthermore, [Eu(TpPy)2][Yb(ND)4] demonstrated excellent photostability during continuous high-power density 980 nm laser irradiation, with a LT95 (the time to 95 % of the initial emission intensity) of 420 minutes. This work provides the first example of a pure ion-paired Yb-Eu heteronuclear complex upconversion system and may bring insights into rational design of lanthanide-based upconversion molecular complexes.
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Affiliation(s)
- Wen Lu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Wenchao Yan
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Ruoyao Guo
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Jiayin Zheng
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Zuqiang Bian
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Zhiwei Liu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
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2
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A Gálico D, Kitos AA, Ramdani R, Ovens JS, Murugesu M. Distortion Engineering: A Strategy to Modulate Molecular Upconversion with Molecular Cluster-Aggregates. J Am Chem Soc 2024; 146:26819-26829. [PMID: 39302693 DOI: 10.1021/jacs.4c07418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/22/2024]
Abstract
The rational engineering of molecules is a powerful chemistry tool of pivotal importance in the fields of molecular magnetism and luminescence. Hence, systems that can be modulated via molecular engineering and composition control are expected to present extra versatility regarding the tunability of their properties. This is the case with molecular cluster aggregates (MCAs), high nuclearity molecular compounds. Herein, we demonstrate how the union of both strategies, namely, composition control and molecular engineering, can be employed to enhance molecular upconversion in MCAs. This was achieved by doping a {Gd8Er2Yb10} MCA with CeIII ions. By replacement of the optically silent GdIII ions with CeIII, the upconversion mechanism is modified due to CeIII-mediated cross-relaxation. In addition to this effect, we could also engineer the degree of metal site distortion due to the larger size of CeIII ions, relaxing the selection rules and impacting the upconversion quantum yield and luminescent thermometry. Opto-structural correlations demonstrate that the presented molecular engineering strategy can be used to enhance the performance of molecular upconverters.
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Affiliation(s)
- Diogo A Gálico
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Alexandros A Kitos
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Rayan Ramdani
- Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
| | - Jeffrey S Ovens
- X-Ray Core Facility, 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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3
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Poncet M, Besnard C, Jiménez JR, Piguet C. Maximizing Nanoscale Downshifting Energy Transfer in a Metallosupramolecular Cr(III)-Er(III) Assembly. Inorg Chem 2024; 63:18345-18354. [PMID: 39163105 PMCID: PMC11445728 DOI: 10.1021/acs.inorgchem.4c02397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 07/11/2024] [Accepted: 07/31/2024] [Indexed: 08/21/2024]
Abstract
Pseudo-octahedral CrIIIN6 chromophores hold a unique appeal for low-energy sensitization of NIR lanthanide luminescence due to their exceptionally long-lived spin-flip excited states. This allure persists despite the obstacles and complexities involved in integrating both elements into a metallosupramolecular assembly. In this work, we have designed a structurally optimized heteroleptic CrIII building block capable of binding rare earths. Following a complex-as-ligand synthetic strategy, two heterometallic supramolecular assemblies, in which three peripherical CrIII sensitizers coordinated through a molecular wire to a central ErIII or YIII, have been prepared. Upon excitation of the CrIII spin-flip states, the downshifted Er(4I13/2 → 4I15/2) emission at 1550 nm was induced through intramolecular energy transfer. Time-resolved experiments at room temperature reveal a CrIII → ErIII energy transfer of 62-73% efficiencies with rate constants of about 8.5 × 105 s-1 despite the long donor-acceptor distance (circa 14 Å). This efficient directional intermetallic energy transfer can be rationalized using the Dexter formalism, which is promoted by a rigid linear electron-rich alkyne bridge that acts as a molecular wire connecting the CrIII and ErIII ions.
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Affiliation(s)
- Maxime Poncet
- Department
of Inorganic and Analytical Chemistry, University
of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Céline Besnard
- Laboratory
of Crystallography, University of Geneva, 24 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Juan-Ramón Jiménez
- Departamento
de Química Inorgánica, Facultad de Ciencias, Universidad de Granada and Unidad de Excelencia en
Química (UEQ), Avda. Fuente Nueva s/n, 18071 Granada, Spain
| | - Claude Piguet
- Department
of Inorganic and Analytical Chemistry, University
of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
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4
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Charbonnière LJ, Nonat AM, Knighton RC, Godec L. Upconverting photons at the molecular scale with lanthanide complexes. Chem Sci 2024; 15:3048-3059. [PMID: 38425527 PMCID: PMC10901487 DOI: 10.1039/d3sc06099c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/29/2024] [Indexed: 03/02/2024] Open
Abstract
In this perspective, we summarise the major milestones to date in the field of molecular upconversion (UC) with lanthanide based coordination complexes. This begins from the leap firstly from solid-state to nanoparticular regimes, and further down the scale to the molecular domain. We explain the mechanistic intricacies of each differing way of generating upconverted photons, critiquing them and outlining our views on the benefits and limitations of each process, also offering our perspective and opinion on where these new molecular UC edifices will take us. This nascent area is already rapidly expanding and improving, having increased in luminance efficiency by more than four orders of magnitude in the last decade: we conclude that the future is bright for molecular UC.
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Affiliation(s)
- Loïc J Charbonnière
- Equipe de Synthèse Pour L'Analyse (SynPA), Institut Pluridisciplinaire Hubert Curien (IPHC), UMR7178, CNRS, Université de Strasbourg, ECPM 67087 Strasbourg Cedex France
| | - Aline M Nonat
- Equipe de Synthèse Pour L'Analyse (SynPA), Institut Pluridisciplinaire Hubert Curien (IPHC), UMR7178, CNRS, Université de Strasbourg, ECPM 67087 Strasbourg Cedex France
| | - Richard C Knighton
- Equipe de Synthèse Pour L'Analyse (SynPA), Institut Pluridisciplinaire Hubert Curien (IPHC), UMR7178, CNRS, Université de Strasbourg, ECPM 67087 Strasbourg Cedex France
- School of Chemistry, University of Southampton Southampton SO17 1BJ UK
| | - Léna Godec
- Equipe de Synthèse Pour L'Analyse (SynPA), Institut Pluridisciplinaire Hubert Curien (IPHC), UMR7178, CNRS, Université de Strasbourg, ECPM 67087 Strasbourg Cedex France
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5
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Behrsing T, Blair VL, Jaroschik F, Deacon GB, Junk PC. Rare Earths-The Answer to Everything. Molecules 2024; 29:688. [PMID: 38338432 PMCID: PMC10856286 DOI: 10.3390/molecules29030688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 01/24/2024] [Accepted: 01/27/2024] [Indexed: 02/12/2024] Open
Abstract
Rare earths, scandium, yttrium, and the fifteen lanthanoids from lanthanum to lutetium, are classified as critical metals because of their ubiquity in daily life. They are present in magnets in cars, especially electric cars; green electricity generating systems and computers; in steel manufacturing; in glass and light emission materials especially for safety lighting and lasers; in exhaust emission catalysts and supports; catalysts in artificial rubber production; in agriculture and animal husbandry; in health and especially cancer diagnosis and treatment; and in a variety of materials and electronic products essential to modern living. They have the potential to replace toxic chromates for corrosion inhibition, in magnetic refrigeration, a variety of new materials, and their role in agriculture may expand. This review examines their role in sustainability, the environment, recycling, corrosion inhibition, crop production, animal feedstocks, catalysis, health, and materials, as well as considering future uses.
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Affiliation(s)
- Thomas Behrsing
- School of Chemistry, Monash University, Melbourne, VIC 3800, Australia; (T.B.); (V.L.B.); (G.B.D.)
| | - Victoria L. Blair
- School of Chemistry, Monash University, Melbourne, VIC 3800, Australia; (T.B.); (V.L.B.); (G.B.D.)
| | | | - Glen B. Deacon
- School of Chemistry, Monash University, Melbourne, VIC 3800, Australia; (T.B.); (V.L.B.); (G.B.D.)
| | - Peter C. Junk
- College of Science & Engineering, James Cook University, Townsville, QLD 4811, Australia
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6
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Naseri S, Taarit I, Bolvin H, Bünzli JC, Fürstenberg A, Guénée L, Le-Hoang G, Mirzakhani M, Nozary H, Rosspeintner A, Piguet C. Symmetry and Rigidity for Boosting Erbium-Based Molecular Light-Upconversion in Solution. Angew Chem Int Ed Engl 2023; 62:e202314503. [PMID: 37847515 DOI: 10.1002/anie.202314503] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/17/2023] [Accepted: 10/17/2023] [Indexed: 10/18/2023]
Abstract
Previously limited to highly symmetrical homoleptic triple-helical complexes [Er(Lk)3 ]3+ , where Lk are polyaromatic tridentate ligands, single-center molecular-based upconversion using linear optics and exploiting the excited-state absorption mechanism (ESA) greatly benefits from the design of stable and low-symmetrical [LkEr(hfa)3 ] heteroleptic adducts (hfa- =hexafluoroacetylacetonate anion). Depending on (i) the extended π-electron delocalization, (ii) the flexibility and (iii) the heavy atom effect brought by the bound ligand Lk, the near-infrared (801 nm) to visible green (542 nm) upconversion quantum yield measured for [LkEr(hfa)3 ] in solution at room temperature can be boosted by up to three orders of magnitude.
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Affiliation(s)
- Soroush Naseri
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, 1211, Geneva 4, Switzerland
| | - Inès Taarit
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, 1211, Geneva 4, Switzerland
| | - Hélène Bolvin
- Laboratoire de Chimie et Physique Quantiques, CNRS, Université Toulouse III, 118 route de Narbonne, 31062, Toulouse, France
| | - Jean-Claude Bünzli
- Institute of Chemical Sciences & Engineering, Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland
| | - Alexandre Fürstenberg
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, 1211, Geneva 4, Switzerland
- Department of Physical Chemistry, University of Geneva, 30 quai E. Ansermet, 1211, Geneva 4, Switzerland
| | - Laure Guénée
- Laboratory of Crystallography, University of Geneva, 24 quai E. Ansermet, 1211, Geneva 4, Switzerland
| | - Giau Le-Hoang
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, 1211, Geneva 4, Switzerland
| | - Mohsen Mirzakhani
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, 1211, Geneva 4, Switzerland
| | - Homayoun Nozary
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, 1211, Geneva 4, Switzerland
| | - Arnulf Rosspeintner
- Department of Physical Chemistry, University of Geneva, 30 quai E. Ansermet, 1211, Geneva 4, Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, 1211, Geneva 4, Switzerland
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7
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Sun G, Xie Y, Wang Y, Zhang H, Sun L. Upconversion Luminescence in Mononuclear Yb/Sm Co-crystal Assemblies at Room Temperature. Angew Chem Int Ed Engl 2023; 62:e202312308. [PMID: 37698110 DOI: 10.1002/anie.202312308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/07/2023] [Accepted: 09/12/2023] [Indexed: 09/13/2023]
Abstract
Metal-based upconversion luminescence transforming high-energy photons into low-energy photons is an attractive anti-Stokes shift process for fundamental research and promising applications. In this work, we developed the upconversion luminescence in co-crystal assemblies consisting of discrete mononuclear Yb and Sm complexes. The characteristic visible emissions of Sm3+ were observed under the excitation of absorption band of Yb3+ at 980 nm. A series of co-crystal assemblies were investigated based on mononuclear Yb and Sm complexes, and the strongest luminescence was obtained when the molar concentration between Yb3+ and Sm3+ is equivalent. The crystal structure was fully characterized by the single crystal X-ray diffraction and upconverting energy transfer mechanisms were verified as cooperative sensitization upconversion and energy transfer upconversion. This is the first example of Sm3+ -based upconverting luminescence in discrete lanthanide complexes which present as co-crystal assemblies at room temperature.
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Affiliation(s)
- Guotao Sun
- School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, China
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Yao Xie
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Yuxin Wang
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
| | - Hongjie Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Lining Sun
- School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, China
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai, 200444, China
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8
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Duan XF, Zhou LP, Li HR, Hu SJ, Zheng W, Xu X, Zhang R, Chen X, Guo XQ, Sun QF. Excited-Multimer Mediated Supramolecular Upconversion on Multicomponent Lanthanide-Organic Assemblies. J Am Chem Soc 2023; 145:23121-23130. [PMID: 37844009 DOI: 10.1021/jacs.3c06775] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
Upconversion (UC) is a fascinating anti-Stokes-like optical process with promising applications in diverse fields. However, known UC mechanisms are mainly based on direct energy transfer between metal ions, which constrains the designability and tunability of the structures and properties. Here, we synthesize two types of Ln8L12-type (Ln for lanthanide ion; L for organic ligand L1 or L2R/S) lanthanide-organic complexes with assembly induced excited-multimer states. The Yb8(L2R/S)12 assembly exhibits upconverted multimer green fluorescence under 980 nm excitation through a cooperative sensitization process. Furthermore, upconverted red emission from Eu3+ on the heterometallic (Yb/Eu)8L12 assemblies is also realized via excited-multimer mediated energy relay. Our findings demonstrate a new strategy for designing UC materials, which is crucial for exploiting photofunctions of multicomponent lanthanide-organic complexes.
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Affiliation(s)
- Xiao-Fang Duan
- State Key Laboratory of Structural Chemistry, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Li-Peng Zhou
- State Key Laboratory of Structural Chemistry, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Hao-Ran Li
- State Key Laboratory of Structural Chemistry, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Shao-Jun Hu
- State Key Laboratory of Structural Chemistry, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Wei Zheng
- State Key Laboratory of Structural Chemistry, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Xin Xu
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, P. R. China
| | - Ruiling Zhang
- Institute of Molecular Sciences and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, P. R. China
| | - Xueyuan Chen
- State Key Laboratory of Structural Chemistry, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Xiao-Qing Guo
- State Key Laboratory of Structural Chemistry, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Qing-Fu Sun
- State Key Laboratory of Structural Chemistry, CAS Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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9
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Yin HJ, Xiao ZG, Feng Y, Yao CJ. Recent Progress in Photonic Upconversion Materials for Organic Lanthanide Complexes. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5642. [PMID: 37629933 PMCID: PMC10456671 DOI: 10.3390/ma16165642] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/27/2023] [Accepted: 07/30/2023] [Indexed: 08/27/2023]
Abstract
Organic lanthanide complexes have garnered significant attention in various fields due to their intriguing energy transfer mechanism, enabling the upconversion (UC) of two or more low-energy photons into high-energy photons. In comparison to lanthanide-doped inorganic nanoparticles, organic UC complexes hold great promise for biological delivery applications due to their advantageous properties of controllable size and composition. This review aims to provide a summary of the fundamental concept and recent developments of organic lanthanide-based UC materials based on different mechanisms. Furthermore, we also detail recent applications in the fields of bioimaging and solar cells. The developments and forthcoming challenges in organic lanthanide-based UC offer readers valuable insights and opportunities to engage in further research endeavors.
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Affiliation(s)
- Hong-Ju Yin
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China; (H.-J.Y.); (Z.-G.X.)
| | - Zhong-Gui Xiao
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China; (H.-J.Y.); (Z.-G.X.)
| | - Yansong Feng
- State Key Laboratory of Explosion Science and Technology, School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Chang-Jiang Yao
- State Key Laboratory of Explosion Science and Technology, School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China
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10
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Chen SH, Jiang K, Liang YH, He JP, Xu BJ, Chen ZH, Wang ZY. Fine-tuning benzazole-based probe for the ultrasensitive detection of Hg 2+ in water samples and seaweed samples. Food Chem 2023; 428:136800. [PMID: 37433252 DOI: 10.1016/j.foodchem.2023.136800] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 06/22/2023] [Accepted: 07/01/2023] [Indexed: 07/13/2023]
Abstract
Developing potentially toxic metal ion probes is significant for environment and food safety. Although Hg2+ probes have been extensively studied, small molecule fluorophores that can integrate two applications of visual detection and separation into one unit remain challenging to access. Herein, by incorporating triphenylamine (TPA) into tridentate skeleton with an acetylene bridge, 2,6-bisbenzimidazolpyridine-TPA (4a), 2,6-bisbenzothiazolylpyridine-TPA (4b) and 2,6-bisbenzothiazolylpyridine-TPA (4c) were first constructed, expectably showing distinct solvatochromism and dual-state emission properties. Since the diverse emission properties, the fluorescence detection of 4a-4b can be achieved with an ultrasensitive response (LOD = 10-11 M) and efficient removal of Hg2+. More interestingly, 4a-4b can not only be developed into paper/film sensing platform, but also reliably detect Hg2+ in real water and seaweed samples, with recoveries ranging from 97.3% to 107.8% and a relative standard deviation of less than 5%, indicating that they have excellent application potential in the field of environmental and food chemistry.
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Affiliation(s)
- Si-Hong Chen
- School of Chemistry, South China Normal University; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education; Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine; GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, Guangzhou 510006, PR China
| | - Kai Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, South China University of Technology, Guangzhou 510640, PR China.
| | - Yao-Hui Liang
- School of Chemistry, South China Normal University; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education; Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine; GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, Guangzhou 510006, PR China
| | - Jin-Ping He
- School of Chemistry, South China Normal University; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education; Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine; GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, Guangzhou 510006, PR China
| | - Bing-Jia Xu
- School of Chemistry, South China Normal University; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education; Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine; GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, Guangzhou 510006, PR China.
| | - Zhao-Hua Chen
- School of Chemistry, South China Normal University; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education; Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine; GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, Guangzhou 510006, PR China
| | - Zhao-Yang Wang
- School of Chemistry, South China Normal University; Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education; Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine; GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, Guangzhou 510006, PR China; Key Laboratory of Functional Molecular Engineering of Guangdong Province, South China University of Technology, Guangzhou 510640, PR China.
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11
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Gálico DA, Santos Calado CM, Murugesu M. Lanthanide molecular cluster-aggregates as the next generation of optical materials. Chem Sci 2023; 14:5827-5841. [PMID: 37293634 PMCID: PMC10246660 DOI: 10.1039/d3sc01088k] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 05/10/2023] [Indexed: 06/10/2023] Open
Abstract
In this perspective, we provide an overview of the recent achievements in luminescent lanthanide-based molecular cluster-aggregates (MCAs) and illustrate why MCAs can be seen as the next generation of highly efficient optical materials. MCAs are high nuclearity compounds composed of rigid multinuclear metal cores encapsulated by organic ligands. The combination of high nuclearity and molecular structure makes MCAs an ideal class of compounds that can unify the properties of traditional nanoparticles and small molecules. By bridging the gap between both domains, MCAs intrinsically retain unique features with tremendous impacts on their optical properties. Although homometallic luminescent MCAs have been extensively studied since the late 1990s, it was only recently that heterometallic luminescent MCAs were pioneered as tunable luminescent materials. These heterometallic systems have shown tremendous impacts in areas such as anti-counterfeiting materials, luminescent thermometry, and molecular upconversion, thus representing a new generation of lanthanide-based optical materials.
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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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12
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Taarit I, Alves F, Benchohra A, Guénée L, Golesorkhi B, Rosspeintner A, Fürstenberg A, Piguet C. Seeking Brightness in Molecular Erbium-Based Light Upconversion. J Am Chem Soc 2023. [PMID: 37018515 DOI: 10.1021/jacs.3c01331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
Whereas dye-sensitized lanthanide-doped nanoparticles represent an unquestionable advance for pushing linear near-infrared (NIR) to visible-light upconversion within the frame of applications, analogous improvements are difficult to mimic for related but intramolecular processes induced at the molecular level in coordination complexes. Major difficulties arise from the cationic nature of the target cyanine-containing sensitizers (S), which drastically limits their thermodynamic affinities for catching the lanthanide activators (A) required for performing linear light upconversion. In this context, the rare previous design of stable dye-containing molecular SA light-upconverters required large S···A distances at the cost of the operation of only poorly efficient intramolecular S → A energy transfers and global sensitization. With the synthesis of the compact ligand [L2]+, we exploit here the benefit of using a single sulfur connector between the dye and the binding unit for counterbalancing the drastic electrostatic penalty which is expected to prevent metal complexation. Quantitative amounts of nine-coordinate [L2Er(hfac)3]+ molecular adducts could be finally prepared in solution at millimolar concentrations, while the S···A distance has been reduced by 40% to reach circa 0.7 nm. Detailed photophysical studies demonstrate the operation of a three times improved energy transfer upconversion (ETU) mechanism for molecular [L2Er(hfac)3]+ in acetonitrile at room temperature, thanks to the boosted heavy atom effect operating in the close cyanine/Er pair. NIR excitation at 801 nm can thus be upconverted into visible light (525-545 nm) with an unprecedented brightness of Bup(801 nm) = 2.0(1) × 10-3 M-1·cm-1 for a molecular lanthanide complex.
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Affiliation(s)
- Inès Taarit
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Filipe Alves
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Amina Benchohra
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Laure Guénée
- Laboratory of Crystallography, University of Geneva, 24 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Bahman Golesorkhi
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Arnulf Rosspeintner
- Department of Physical Chemistry, University of Geneva, CH-1211 Geneva 4, Switzerland
| | - Alexandre Fürstenberg
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211 Geneva 4, Switzerland
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13
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Gil Y, de Santana RC, de Camargo ASS, Merízio LG, Carreño PF, Fuentealba P, Manzur J, Spodine E. Dual visible and near-infrared luminescence in mononuclear macrocyclic erbium(III) complexes via ligand and metal centred excitation. Dalton Trans 2023; 52:3158-3168. [PMID: 36790124 DOI: 10.1039/d2dt03447f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Considering the structural design of some of the scarce molecular-based Er-centred emitters in the literature, we explored the optical properties of three ErIII hexaazamacrocyclic complexes, namely Er-EDA (1), Er-OPDA(2) and Er-DAP(3). The macrocyclic ligands in these complexes differ in the lateral spacers, and are derived from 2,6-pyridine-dicarbaldehyde and ethylenediamine (EDA), ortho-phenylenediamine (OPDA) or 1,3-diaminopropane (DAP). Upon ligand-centred excitation, the bluish-green and green emissions of the ErIII ion were detected only for the complexes containing macrocycles with aliphatic spacers (1 and 3), which evidenced that these ligands can sensitize the ErIII luminescence. On the other hand, the ligand derived from the aromatic diamine (2) does not sensitize the ErIII luminescence. Energy transfer mechanisms, temperature sensing, CIE coordinates and CCT values were analyzed. Besides the excitation in the ligands, the erbium-centred excitation at 980 nm allowed the detection, in all cases, of bluish-green, green and red up-converted emissions, and also the downshifted NIR emission. The possible mechanisms involved in these transitions were described and analyzed according to the available data.
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Affiliation(s)
- Yolimar Gil
- Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Olivos 1007, 8380544, Santiago, Chile.
| | - Ricardo Costa de Santana
- Instituto de Física, Universidade Federal de Goiás, Campus Samambaia, 74690-900, Goiânia, GO, Brazil.
| | - Andréa Simone Stucchi de Camargo
- Instituto de Física de São Carlos, Universidade de São Paulo, Avenida Trabalhador São-Carlense, n°400 Parque Arnold Schimidt, CEP, 13566-590, São Carlos, SP, Brazil.
| | - Leonnam Gotardo Merízio
- Instituto de Física de São Carlos, Universidade de São Paulo, Avenida Trabalhador São-Carlense, n°400 Parque Arnold Schimidt, CEP, 13566-590, São Carlos, SP, Brazil.
| | - Patricia Farías Carreño
- Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Olivos 1007, 8380544, Santiago, Chile.
| | - Pablo Fuentealba
- Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Olivos 1007, 8380544, Santiago, Chile.
| | - Jorge Manzur
- Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Olivos 1007, 8380544, Santiago, Chile.
| | - Evgenia Spodine
- Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Olivos 1007, 8380544, Santiago, Chile.
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14
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Naseri S, Mirzakhani M, Besnard C, Guénée L, Briant L, Nozary H, Piguet C. Preorganized Polyaromatic Soft Terdentate Hosts for the Capture of [Ln(β-diketonate) 3 ] Guests in Solution. Chemistry 2023; 29:e202202727. [PMID: 36285628 DOI: 10.1002/chem.202202727] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/25/2022] [Accepted: 10/25/2022] [Indexed: 11/07/2022]
Abstract
The concept of preorganization is famous in coordination chemistry for having transformed flexible bidentate 2,2'-bipyridine scaffolds into rigid 1,10-phenanthroline platforms. The resulting boosted affinities for d-block cations has successfully paved the way for the design of a wealth of functional complexes, devices and materials for analysis and optics. Its extension toward terdentate homologues adapted for the selective complexation of f-block cations with larger coordination numbers remains more overlooked. The resulting rigidification of 2,6-bis(1-methyl-1H-benzo[d]imidazol-2-yl)pyridine ligands (L1-L7) produces the highly preorganized and extended polyaromatic benzo[4',5']imidazo[1',2' : 1,2]pyrido[3,4-b]benzo[4,5]imidazo[1,2-h][1,7]naphthyridines (L8-L11) receptors, which offer some novel and rare opportunities for efficiently complexing trivalent lanthanides with polyaromatic soft terimine ligands. The crystal structures of the stable heteroleptic [LkLn(hfac)3 ] adducts (Lk=L1, L8, L9; Ln=La, Eu, Gd, Er, Yb, Y; H-hfac=1,1,1,5,5,5-hexafluoropentane-2,4-dione) show a drastic decrease in the Ln-N bond valences upon replacement of the flexible ligand L1 with its preorganized counterparts L8 and L9. This points to a limited match between the preorganized cavity and the entering [Ln(hfac)3 ] lanthanide containers. However, thermodynamic studies conducted in dichloromethane reach the opposite conclusion, with an improved affinity, by up to three orders of magnitude for catching Ln(hfac)3 when L1 is replaced by the preorganized L8-L9 receptors. The key to the enigma lies in the removal of the energy penalty which accompanies the formation of flexible [L1Ln(hfac)3 ] complexes in solution. This driving force overcomes the poor match between the preorganized terdentate N∩ N∩ N cavity in L8 and L9 and the size of trivalent lanthanides. As planned, the rigid, planar and extended π-conjugated system found in L8 and L9 shifts the ligand-centered absorption bands by about 5000 cm-1 toward lower energies, a crucial point if these stable [L8Ln(hfac)3 ] and [L9Ln(hfac)3 ] platforms have to be considered for the visible sensitization of luminescent lanthanides in metallopolymers.
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Affiliation(s)
- Soroush Naseri
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Mohsen Mirzakhani
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Céline Besnard
- Laboratory of Crystallography, University of Geneva, 24 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Laure Guénée
- Laboratory of Crystallography, University of Geneva, 24 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Liza Briant
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Homayoun Nozary
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211, Geneva 4, Switzerland
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15
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Liu X, Li R, Xu X, Jiang Y, Zhu W, Yao Y, Li F, Tao X, Liu S, Huang W, Zhao Q. Lanthanide(III)-Cu 4 I 4 Organic Framework Scintillators Sensitized by Cluster-Based Antenna for High-Resolution X-ray Imaging. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2206741. [PMID: 36303536 DOI: 10.1002/adma.202206741] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 10/12/2022] [Indexed: 06/16/2023]
Abstract
Scintillator-based X-ray imaging has attracted great attention from industrial quality inspection and security to medical diagnostics. Herein, a series of lanthanide(III)-Cu4 I4 heterometallic organic frameworks (Ln-Cu4 I4 MOFs)-based X-ray scintillators are developed by rationally assembling X-ray absorption centers ([Cu4 I4 ] clusters) and luminescent chromophores (Ln(III) ions) in a specific manner. Under X-ray irradiation, the heavy inorganic units ([Cu4 I4 ] clusters) absorb the X-ray energy to populate triplet excitons via halide-to-ligand charge transfer (XLCT) combined with the metal-to-ligand charge-transfer (MLCT) state (defined as the X/MLCT state), and then the 3 X/MLCT excited state sensitizes Tb3+ for intense X-ray-excited luminescence via excitation energy transfer. The obtained Tb-Cu4 I4 MOF scintillators exhibit high resistance to humidity and radiation, excellent linear response to X-ray dose rate, and high X-ray relative light yield of 29 379 ± 3000 photons MeV-1 . The relative light yield of Tb-Cu4 I4 MOFs is ≈3 times higher than that of the control Tb(III) complex. X-ray imaging tests show that the Tb-Cu4 I4 MOFs-based flexible scintillator film exhibits a high spatial resolution of 12.6 lp mm-1 . These findings not only provide a promising design strategy to develop lanthanide-MOF-based scintillators with excellent scintillation performance, but also exhibit high-resolution X-ray imaging for biological specimens and electronic chips.
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Affiliation(s)
- Xiangmei Liu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
| | - Ruhua Li
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
| | - Xueli Xu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
| | - Yangyang Jiang
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
| | - Wenjuan Zhu
- College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan, Nanjing, 210023, P. R. China
| | - Yu Yao
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
| | - Feiyang Li
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
| | - Xiaofang Tao
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
| | - Shujuan Liu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
| | - Wei Huang
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
- Frontiers Science Center for Flexible Electronics (FSCFE), MIIT Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University, Xi'an, 710072, P. R. China
| | - Qiang Zhao
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications (NUPT), 9 Wenyuan, Nanjing, Jiangsu, 210023, P. R. China
- College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts & Telecommunications (NUPT), 9 Wenyuan, Nanjing, 210023, P. R. China
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16
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Sun G, Ren Y, Song Y, Xie Y, Zhang H, Sun L. Achieving Photon Upconversion in Mononuclear Lanthanide Molecular Complexes at Room Temperature. J Phys Chem Lett 2022; 13:8509-8515. [PMID: 36066905 DOI: 10.1021/acs.jpclett.2c02135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Photon upconversion luminescence at the molecule scale is a rarely observed phenomenon despite possessing colossal potential for basic research and reality applications. Here we show that the eight-coordinate erbium molecular complex composed of Er3+ ion, dibenzoylmethane, and 2,2'-bipyridine exhibits upconversion emission. Under direct excitation at the absorption band of Er3+ ion at 980 nm, the complex shows upconverted green emissions of Er3+ ion at 525 and 545 nm at room temperature. Noticeably, upon the introduction of fluoride ions into this complex, an additional upconverted red emission at 667 nm appears as well, and the luminescence intensities of both the green and red emissions increase by a factor of 13 at most. This study not only provides a strategy to adjust the green and red emissions in mononuclear erbium complexes but also broadens the horizons of designing lanthanide-based molecular upconversion systems.
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Affiliation(s)
- Guotao Sun
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Yuan Ren
- School of Mechanical Engineering, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia 014010, China
| | - Yapai Song
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Yao Xie
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Hongjie Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Lining Sun
- School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China
- Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, China
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17
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Knighton RC, Soro LK, Thor W, Strub JM, Cianférani S, Mély Y, Lenertz M, Wong KL, Platas-Iglesias C, Przybilla F, Charbonnière LJ. Upconversion in a d-f [RuYb 3] Supramolecular Assembly. J Am Chem Soc 2022; 144:13356-13365. [PMID: 35771602 DOI: 10.1021/jacs.2c05037] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We have prepared a hetero-tetrametallic assembly consisting of three ytterbium ions coordinated to a central [Ru(bpm)3]2+ (bpm = 2,2'-bipyrimidine) motif. Irradiation into the absorption band of the peripheral ytterbium ions at 980 nm engenders emission of the 3MLCT state of the central [Ru(bpm)3]2+ core at 636 nm, which represents the first example of f → d molecular upconversion (UC). Time-resolved measurements reveal a slow rise of the UC emission, which was modeled with a mathematical treatment of the observed kinetics according to a cooperative photosensitization mechanism using a virtual Yb centered doubly excited state followed by energy transfer to the Ru centered 1MLCT state.
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Affiliation(s)
- Richard C Knighton
- Equipe de Synthèse Pour L'Analyse (SynPA), Institut Pluridisciplinaire Hubert Curien (IPHC), UMR 7178, CNRS, Université de Strasbourg, ECPM, 25 rue Becquerel, 67087 Strasbourg Cedex, France
| | - Lohona K Soro
- Equipe de Synthèse Pour L'Analyse (SynPA), Institut Pluridisciplinaire Hubert Curien (IPHC), UMR 7178, CNRS, Université de Strasbourg, ECPM, 25 rue Becquerel, 67087 Strasbourg Cedex, France
| | - Waygen Thor
- Equipe de Synthèse Pour L'Analyse (SynPA), Institut Pluridisciplinaire Hubert Curien (IPHC), UMR 7178, CNRS, Université de Strasbourg, ECPM, 25 rue Becquerel, 67087 Strasbourg Cedex, France.,Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong SAR, China
| | - Jean-Marc Strub
- Laboratoire de Spectrometrie de Masse Bio-Organique, IPHC, UMR 7178, CNRS-Université de Strasbourg, ECPM, 25, rue Becquerel, 67087 Strasbourg, France
| | - Sarah Cianférani
- Laboratoire de Spectrometrie de Masse Bio-Organique, IPHC, UMR 7178, CNRS-Université de Strasbourg, ECPM, 25, rue Becquerel, 67087 Strasbourg, France
| | - Yves Mély
- Laboratoire de Bioimagerie et Pathologies, CNRS UMR 7021, Faculté de Pharmacie CS60024 74, Route du Rhin, 67401 Illkirch-Graffenstaden, France
| | - Marc Lenertz
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504, CNRS/Université de Strasbourg, 23 rue du Lœss, BP 43, 67034 Strasbourg Cedex 2, France
| | - Ka-Leung Wong
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong SAR, China
| | - Carlos Platas-Iglesias
- Centro de Investigacións Científicas Avanzadas (CICA) and Departamento de Química, Universidade da Coruña, Campus da Zapateira-Rúa da Fraga 10, 15008 A Coruña, Spain
| | - Frédéric Przybilla
- Laboratoire de Bioimagerie et Pathologies, CNRS UMR 7021, Faculté de Pharmacie CS60024 74, Route du Rhin, 67401 Illkirch-Graffenstaden, France
| | - Loïc J Charbonnière
- Equipe de Synthèse Pour L'Analyse (SynPA), Institut Pluridisciplinaire Hubert Curien (IPHC), UMR 7178, CNRS, Université de Strasbourg, ECPM, 25 rue Becquerel, 67087 Strasbourg Cedex, France
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18
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Luminescent Metal Complexes for Bioassays in the Near-Infrared (NIR) Region. Top Curr Chem (Cham) 2022; 380:31. [PMID: 35715540 DOI: 10.1007/s41061-022-00386-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 05/14/2022] [Indexed: 10/18/2022]
Abstract
Near-infrared (NIR, 700-1700 nm) luminescent imaging is an emerging bioimaging technology with low photon scattering, minimal autofluorescence, deep tissue penetration, and high spatiotemporal resolution that has shown fascinating promise for NIR imaging-guided theranostics. In recent progress, NIR luminescent metal complexes have attracted substantially increased research attention owing to their intrinsic merits, including small size, anti-photobleaching, long lifetime, and metal-centered NIR emission. In the past decade, scientists have contributed to the advancement of NIR metal complexes involving efforts to improve photophysical properties, biocompatibility, specificity, pharmacokinetics, in vivo visualization, and attempts to exploit new ligand platforms. Herein, we summarize recent progress and provide future perspectives for NIR metal complexes, including d-block transition metals and f-block lanthanides (Ln) as NIR optical molecular probes for bioassays.
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19
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Durán-Hernández J, Muñoz-Rugeles L, Guzmán-Méndez Ó, M Reza M, Cadena-Caicedo A, García-Montalvo V, Peón J. Sensitization of Nd 3+ Luminescence by Simultaneous Two-Photon Excitation through a Coordinating Polymethinic Antenna. J Phys Chem A 2022; 126:2498-2510. [PMID: 35436116 DOI: 10.1021/acs.jpca.2c01052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
We have designed and synthesized two new cyaninic Nd3+ complexes where the lanthanide emission can be induced from simultaneous two-photon absorption followed by energy migration. These complexes correspond to a molecular design that uses an antenna ligand formed by the functionalization of a heptamethine dye with 5-ol-phenanthroline or 4-phenyl-terpyridine derivatives. These complexes employ the important nonlinear optical properties of symmetric polymethines to sensitize the lanthanide ion. We verified that simultaneous biphotonic excitation indirectly induces the 4F3/2 → 4I11/2 Nd3+ emission using femtosecond laser pulses tuned below the first electronic transition of the antenna. The simultaneous two-photon excitation events initially form the nonlinear-active second excited singlet of the polymethine antenna, which rapidly evolves into its first excited singlet. This state in turn induces the formation of the emissive Nd3+ states through energy transfer. The role of the first excited singlet of the antenna as the donor state in this process was verified through time resolution of the antenna's fluorescence. These measurements also provided the rates for antenna-lanthanide energy transfer, which indicate that the phenanthroline-type ligand is approximately five times more efficient for energy transfer than the phenyl-terpyridine derivative due to their relative donor-acceptor distances. The simultaneous two-photon excitation of this polymethine antenna allows for high spatial localization of the Nd3+excitation events.
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Affiliation(s)
- Jesús Durán-Hernández
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, México
| | - Leonardo Muñoz-Rugeles
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, México
| | - Óscar Guzmán-Méndez
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, México
| | - Mariana M Reza
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, México
| | - Andrea Cadena-Caicedo
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, México
| | | | - Jorge Peón
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México 04510, México
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20
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Bolvin H, Fürstenberg A, Golesorkhi B, Nozary H, Taarit I, Piguet C. Metal-Based Linear Light Upconversion Implemented in Molecular Complexes: Challenges and Perspectives. Acc Chem Res 2022; 55:442-456. [PMID: 35067044 DOI: 10.1021/acs.accounts.1c00685] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The piling up of low-energy photons to produce light beams of higher energies while exploiting the nonlinear optical response of matter was conceived theoretically around 1930 and demonstrated 30 years later with the help of the first coherent ruby lasers. The vanishingly small efficacy of the associated light-upconversion process was rapidly overcome by the implementation of powerful successive absorptions of two photons using linear optics in materials that possess real intermediate excited states working as relays. In these systems, the key point requires a favorable competition between the rate constant of the excited-state absorption (ESA) and the relaxation rate of the intermediate excited state, the lifetime of which should be thus maximized. Chemists and physicists therefore selected long-lived intermediate excited states found (i) in trivalent lanthanide cations doped into ionic solids or into nanoparticles (2S+1LJ spectroscopic levels) or (ii) in polyaromatic molecules (triplet states) as the logical activators for designing light upconverters using linear optics. Their global efficiency has been stepwise optimized during the past five decades by using indirect intermolecular sensitization mechanisms (energy transfer upconversion = ETU) combined with large absorption cross sections.The induction of light-upconversion operating in a single discrete entity at the molecular level is limited to metal-based units and remained a challenge for a long time because coordination complexes possess high-frequency oscillators incompatible with the existence of (i) scales of accessible excited relays with long lifetimes and (ii) final high-energy emissive levels with noticeable intrinsic quantum yields. In contrast to intermolecular energy transfer processes operating in metal-based doped solids, which require statistical models, the combination of sensitizers and activators within the same molecule limits energy transfers to easily tunable intramolecular processes with first-order kinetic rate constants. Their successful programming in a trinuclear CrErCr complex in 2011 led to the first detectable near-infrared to green light upconversion induced in a molecular unit under reasonable excitation intensity. The subsequent progress in the modeling and understanding of the key factors controlling metal-based light upconversion operating in molecular complexes led to a burst of various designs exploiting different mechanisms, excited-state absorption (ESA), energy transfer upconversion (ETU), cooperative luminescence (CL), and cooperative upconversion (CU), which are discussed in this Account.
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Affiliation(s)
- Hélène Bolvin
- Laboratoire de Chimie et Physique Quantiques, CNRS, Université Toulouse III, 118 route de Narbonne, F-31062 Toulouse, France
| | - Alexandre Fürstenberg
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
- Department of Physical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4. Switzerland
| | - Bahman Golesorkhi
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Homayoun Nozary
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Inès Taarit
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
| | - Claude Piguet
- Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland
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Knighton RC, Soro LK, Francés‐Soriano L, Rodríguez‐Rodríguez A, Pilet G, Lenertz M, Platas‐Iglesias C, Hildebrandt N, Charbonnière LJ. Cooperative Luminescence and Cooperative Sensitisation Upconversion of Lanthanide Complexes in Solution. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113114] [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)
- Richard C. Knighton
- Equipe de synthèse pour l'analyse (SynPA) Institut Pluridisciplaire Hubert Curien (IPHC) UMR 7178 CNRS/Université de Strasbourg, ECPM 25 rue Becquerel 67087 Strasbourg cedex France
| | - Lohona K. Soro
- Equipe de synthèse pour l'analyse (SynPA) Institut Pluridisciplaire Hubert Curien (IPHC) UMR 7178 CNRS/Université de Strasbourg, ECPM 25 rue Becquerel 67087 Strasbourg cedex France
| | - Laura Francés‐Soriano
- nanoFRET.com Laboratoire COBRA (Chimie Organique, Bioorganique, Réactivite et Analyse) Université de Rouen Normandie, CNRS INSA 76821 Mont Saint-Aignan France
| | - Aurora Rodríguez‐Rodríguez
- Centro de Investigacións Científicas Avanzadas (CICA) and Departamento de Química Universidade da Coruña Campus da Zapateira-Rúa da Fraga 10 15008 A Coruña Spain
| | - Guillaume Pilet
- Laboratoire des Multimatériaux et Interfaces (LMI) UMR 5615 CNRS Université Claude Bernard Lyon 1 Avenue du 11 novembre 1918 69622 Villeurbanne cedex France
| | - Marc Lenertz
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS) UMR 7504 CNRS/Université de Strasbourg 23 rue du Lœss, BP 43 67034 Strasbourg Cedex 2 France
| | - Carlos Platas‐Iglesias
- Centro de Investigacións Científicas Avanzadas (CICA) and Departamento de Química Universidade da Coruña Campus da Zapateira-Rúa da Fraga 10 15008 A Coruña Spain
| | - Niko Hildebrandt
- nanoFRET.com Laboratoire COBRA (Chimie Organique, Bioorganique, Réactivite et Analyse) Université de Rouen Normandie, CNRS INSA 76821 Mont Saint-Aignan France
- Université Paris-Saclay 91190 Gif-sur-Yvette France
| | - Loïc J. Charbonnière
- Equipe de synthèse pour l'analyse (SynPA) Institut Pluridisciplaire Hubert Curien (IPHC) UMR 7178 CNRS/Université de Strasbourg, ECPM 25 rue Becquerel 67087 Strasbourg cedex France
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22
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Charbonnière LJ, Knighton RC, Soro LK, Francés-Soriano L, Rodríguez-Rodríguez A, Pilet G, Lenertz M, Platas-Iglesias C, Hildebrandt N. Cooperative Luminescence and Cooperative Sensitisation Upconversion of Lanthanide Complexes in Solution. Angew Chem Int Ed Engl 2021; 61:e202113114. [PMID: 34748678 DOI: 10.1002/anie.202113114] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/05/2021] [Indexed: 11/11/2022]
Abstract
Upconversion nanoparticles have led to various breakthrough applications in solar energy conversion, imaging, and biomedicine. One key impediment is the facilitation of such processes at the molecular scale in solution where quenching effects are much more pronounced. In this work, molecular solution-state cooperative luminescence (CL) upconversion arising from a Yb excited state is explored and the mechanistic origin behind cooperative sensitisation (CS) upconversion in Yb/ Tb systems is investigated. Counterintuitively, the best UC performances were obtained for Yb/Tb ratios close to parity, resulting in the brightest molecular upconversion complexes with a quantum yield of 2.8 × 10-6 at a low laser power density of 2.86 W/cm2.
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Affiliation(s)
- Loic Joanny Charbonnière
- CNRS, IPHC, UMR 7178 UdS, Equipe de synthèse pour l'analyse, ECPM, 25 rue Becquerel, 67087, Strasbourg cedex, FRANCE
| | | | - Lohona K Soro
- CNRS: Centre National de la Recherche Scientifique, IPHC, FRANCE
| | | | | | | | - Marc Lenertz
- CNRS: Centre National de la Recherche Scientifique, IPCMS, FRANCE
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