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Salerno EV, Eliseeva SV, Petoud S, Pecoraro VL. Tuning white light emission using single-component tetrachroic Dy 3+ metallacrowns: the role of chromophoric building blocks. Chem Sci 2024; 15:8019-8030. [PMID: 38817571 PMCID: PMC11134414 DOI: 10.1039/d4sc00389f] [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: 01/17/2024] [Accepted: 04/19/2024] [Indexed: 06/01/2024] Open
Abstract
White light production is of major importance for ambient lighting and technological displays. White light can be obtained by several types of materials and their combinations, but single component emitters remain rare and desirable towards thinner devices that are, therefore, easier to control and that require fewer manufacturing steps. We have designed a series of dysprosium(iii)-based luminescent metallacrowns (MCs) to achieve this goal. The synthesized MCs possess three main structural types LnGa4(L')4(L'')4 (type A), Ln2Ga8(L')8(L''')4 (type B) and LnGa8(L')8(OH)4 (type C) (H3L', HL'' and H2L''' derivatives of salicylhydroxamic, benzoic and isophthalic acids, respectively). The advantage of these MCs is that, within each structural type, the nature of the organic building blocks does not affect the symmetry around Dy3+. By detailed studies of the photophysical properties of these Dy3+-based MCs, we have demonstrated that CIE coordinates can be tuned from warm to neutral to cold white by (i) defining the symmetry about Dy3+, and (ii) choosing appropriate chromophoric building blocks. These organic building blocks, without altering the coordination geometry around Dy3+, influence the total emission profile through changing the probability of different energy transfer processes including the 3T1 ← Dy3+* energy back transfer and/or by generating ligand-centered fluorescence in the blue range. This work opens new perspectives for the creation of white light emitting devices using single component tetrachroic molecular compounds.
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Affiliation(s)
- Elvin V Salerno
- Department of Chemistry, Willard H. Dow Laboratories, University of Michigan Ann Arbor Michigan 48109 USA
| | - Svetlana V Eliseeva
- Centre de Biophysique Moléculaire, CNRS UPR 4301, Université d'Orléans F-45071 Orléans Cedex 2 France
| | - Stéphane Petoud
- Centre de Biophysique Moléculaire, CNRS UPR 4301, Université d'Orléans F-45071 Orléans Cedex 2 France
| | - Vincent L Pecoraro
- Department of Chemistry, Willard H. Dow Laboratories, University of Michigan Ann Arbor Michigan 48109 USA
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2
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Cai Z, Yan W, Guo R, Liu H, Huo P, Yu G, Bian Z, Liu Z. Warm-White-Light Perdeuterated Dy(III) Complex with a Photoluminescence Quantum Yield of up to 72% in Deuterated Chloroform. Inorg Chem 2023; 62:6560-6564. [PMID: 37083359 DOI: 10.1021/acs.inorgchem.3c00721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
Herein, a deuteration strategy is proposed to enhance the photoluminescence quantum yield (PLQY) of a Dy(III) complex. The perdeuterated Dy(III) complex Dy(D-DPPOP)3 (D-DPPOP = 6-[bis(phenyl-d5)phosphoryl]picolinate-d3) exhibits a high PLQY of up to 72% in deuterated chloroform, which is 4.8 times higher than that of the nondeuterated Dy(III) complex Dy(DPPOP)3. Then the corresponding ultraviolet-excited light-emitting diode is fabricated, showing a warm-white light with a Commission Internationale de l'Eclairage (CIE) of (0.36, 0.41) and a color temperature of around 4800 K. The deuteration strategy to improve the PLQY of the Dy(III) complex is proved in this work, and it will inspire the further design of white-emission Dy(III) complexes with high efficiency.
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Affiliation(s)
- Zelun Cai
- 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
| | - Huanyu 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
| | - Peihao Huo
- 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
| | - Gang Yu
- 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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Wu PX, Guo ZW, Lai RD, Li XX, Sun C, Zheng ST. Giant Polyoxoniobate-Based Inorganic Molecular Tweezers: Metal Recognitions, Ion-Exchange Interactions and Mechanism Studies. Angew Chem Int Ed Engl 2023; 62:e202217926. [PMID: 36484495 DOI: 10.1002/anie.202217926] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/08/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
This work reports the interesting and unique cation-exchange behaviors of the first indium-bridged purely inorganic 3D framework based on high-nuclearity polyoxoniobates as building units. Each nanoscale polyoxoniobate features a fascinating near-icosahedral core-shell structure with six pairs of unique inorganic "molecular tweezers" that have changeable openings for binding different metal cations via ion-exchanges and exhibit unusual selective metal-uptake behaviors. Further, the material has high chemical stability so that can undergo single-crystal-to-single-crystal metal-exchange processes to produce a dozen new crystals with high crystallinity. Based on these crystals and time-dependent metal-exchange experiments, we can visually reveal the detailed metal-exchange interactions and mechanisms of the material at the atomic precision level. This work demonstrates a rare systematic and atomic-level study on the ion-exchange properties of nanoclusters, which is of significance for the exploration of cluster-based ion-exchange materials that are still to be developed.
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Affiliation(s)
- Ping-Xin Wu
- Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated-Materials, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Zheng-Wei Guo
- Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated-Materials, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Rong-Da Lai
- Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated-Materials, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Xin-Xiong Li
- Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated-Materials, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Cai Sun
- Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated-Materials, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Shou-Tian Zheng
- Fujian Provincial Key Laboratory of Advanced Inorganic Oxygenated-Materials, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
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Liao PY, Liu Y, Ruan ZY, Wang HL, Shi CG, Deng W, Wu SG, Jia JH, Tong ML. Magnetic and Luminescent Dual Responses of Photochromic Hexaazamacrocyclic Lanthanide Complexes. Inorg Chem 2023; 62:1075-1085. [PMID: 36625763 DOI: 10.1021/acs.inorgchem.2c02868] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Herein, hexaazamacrocyclic ligand LN6 was employed to construct a series of photochromic rare-earth complexes, [Ln(LN6)(NO3)2](BPh4) [1-Ln, Ln = Dy, Tb, Eu, Gd, Y; LN6 = (3E,5E,10E,12E)-3,6,10,13-tetraaza-1,8(2,6)-dipyridinacyclotetradecaphane-3,5,10,12-tetraene]. The behavior of photogenerated radicals of hexaazamacrocyclic ligands was revealed for the first time. Upon 365 nm light irradiation, complexes 1-Ln exhibit photochromic behavior induced by photogenerated radicals according to EPR and UV-vis analyses. Static and dynamic magnetic studies of 1-Dy and irradiated product 1-Dy* indicate weak ferromagnetic interactions among DyIII ions and photogenerated LN6 radicals, as well as slow magnetization relaxation behavior under a 2 kOe applied field. Further fitting analyses show that the magnetization relaxation in 1-Dy* is markedly different from 1-Dy. Time-dependent fluorescence measurements reveal the characteristic luminescence quenching dynamics of lanthanide in the photochromic process. Especially for irradiated product 1-Eu*, the luminescence is almost completely quenched within 5 min with a quenching efficiency of 98.4%. The results reported here provide a prospect for the design of radical-induced photochromic lanthanide single-molecule magnets and will promote the further development of multiresponsive photomagnetic materials.
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Affiliation(s)
- Pei-Yu Liao
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, P. R. China
| | - Yang Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, P. R. China
| | - Ze-Yu Ruan
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, P. R. China
| | - Hai-Ling Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, P. R. China
| | - Chen-Guang Shi
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, P. R. China
| | - Wei Deng
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, P. R. China
| | - Si-Guo Wu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, P. R. China
| | - Jian-Hua Jia
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, P. R. China
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Charytanowicz T, Sieklucka B, Chorazy S. Lanthanide Hexacyanidoruthenate Frameworks for Multicolor to White-Light Emission Realized by the Combination of d-d, d-f, and f-f Electronic Transitions. Inorg Chem 2023; 62:1611-1627. [PMID: 36656797 PMCID: PMC9890488 DOI: 10.1021/acs.inorgchem.2c03885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
We report an effective strategy toward tunable room-temperature multicolor to white-light emission realized by mixing three different lanthanide ions (Sm3+, Tb3+, and Ce3+) in three-dimensional (3D) coordination frameworks based on hexacyanidoruthenate(II) metalloligands. Mono-lanthanide compounds, K{LnIII(H2O)n[RuII(CN)6]}·mH2O (1, Ln = La, n = 3, m = 1.2; 2, Ln = Ce, n = 3, m = 1.3; 3, Ln = Sm, n = 2, m = 2.4; 4, Ln = Tb, n = 2, m = 2.4) are 3D cyanido-bridged networks based on the Ln-NC-Ru linkages, with cavities occupied by K+ ions and water molecules. They crystallize differently for larger (1, 2) and smaller (3, 4) lanthanides, in the hexagonal P63/m or the orthorhombic Cmcm space groups, respectively. All exhibit luminescence under the UV excitation, including weak blue emission in 1 due to the d-d 3T1g → 1A1g electronic transition of RuII, as well as much stronger blue emission in 2 related to the d-f 2D3/2 → 2F5/2,7/2 transitions of CeIII, red emission in 3 due to the f-f 4G5/2 → 6H5/2,7/2,9/2,11/2 transitions of SmIII, and green emission in 4 related to the f-f 5D4 → 7F6,5,4,3 transitions of TbIII. The lanthanide emissions, especially those of SmIII, take advantage of the RuII-to-LnIII energy transfer. The CeIII and TbIII emissions are also supported by the excitation of the d-f electronic states. Exploring emission features of the LnIII-RuII networks, two series of heterobi-lanthanide systems, K{SmxCe1-x(H2O)n[Ru(CN)6]}·mH2O (x = 0.47, 0.88, 0.88, 0.99, 0.998; 5-9) and K{TbxCe1-x(H2O)n[Ru(CN)6]}·mH2O (x = 0.56, 0.65, 0.93, 0.99, 0.997; 10-14) were prepared. They exhibit the composition- and excitation-dependent tuning of emission from blue to red and blue to green, respectively. Finally, the heterotri-lanthanide system of the K{Sm0.4Tb0.599Ce0.001(H2O)2[Ru(CN)6]}·2.5H2O (15) composition shows the rich emission spectrum consisting of the peaks related to CeIII, TbIII, and SmIII centers, which gives the emission color tuning from blue to orange and white-light emission of the CIE 1931 xy parameters of 0.325, 0.333.
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6
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Pawlik N, Goryczka T, Pietrasik E, Śmiarowska J, Pisarski WA. Photoluminescence Investigations of Dy 3+-Doped Silicate Xerogels and SiO 2-LaF 3 Nano-Glass-Ceramic Materials. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:4500. [PMID: 36558353 PMCID: PMC9786153 DOI: 10.3390/nano12244500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/14/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
In this work, the series of Dy3+-doped silicate xerogels were synthesized by sol-gel technique and further processed at 350 °C into SiO2-LaF3:Dy3+ nano-glass-ceramic materials. The X-ray diffraction (XRD) measurements, along with the thermal analysis, indicated that heat-treatment triggered the decomposition of La(TFA)3 inside amorphous sol-gel hosts, resulting in the formation of hexagonal LaF3 phase with average crystal size at about ~10 nm. Based on the photoluminescence results, it was proven that the intensities of blue (4F9/2 → 6H15/2), yellow (4F9/2 → 6H13/2), and red (4F9/2 → 6H11/2) emissions, as well as the calculated yellow-to-blue (Y/B) ratios, are dependent on the nature of fabricated materials, and from fixed La3+:Dy3+ molar ratios. For xerogels, the emission was gradually increased, and the τ(4F9/2) lifetimes were elongated to 42.7 ± 0.3 μs (La3+:Dy3+ = 0.82:0.18), however, for the sample with the lowest La3+:Dy3+ molar ratio (0.70:0.30), the concentration quenching was observed. For SiO2-LaF3:Dy3+ nano-glass-ceramics, the concentration quenching effect was more visible than for xerogels and started from the sample with the highest La3+:Dy3+ molar ratio (0.988:0.012), thus the τ(4F9/2) lifetimes became shorter from 1731.5 ± 5.7 up to 119.8 ± 0.4 μs. The optical results suggest, along with an interpretation of XRD data, that Dy3+ ions were partially entered inside LaF3 phase, resulting in the shortening of Dy3+-Dy3+ inter-ionic distances.
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Affiliation(s)
- Natalia Pawlik
- Institute of Chemistry, University of Silesia, 40-007 Katowice, Poland
| | - Tomasz Goryczka
- Institute of Materials Engineering, University of Silesia, 41-500 Chorzów, Poland
| | - Ewa Pietrasik
- Institute of Chemistry, University of Silesia, 40-007 Katowice, Poland
| | - Joanna Śmiarowska
- Institute of Chemistry, University of Silesia, 40-007 Katowice, Poland
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7
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Rojas-Poblete M, Rodríguez-Kessler PL, Guajardo-Maturana R, Olea Ulloa C, Muñoz-Castro A. Nature and Role of Formal Charge of the ion Inclusion in Hexanuclear Platinium(II) Host-Guest Species. Insights from Relativistic DFT Calculations. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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8
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Salerno EV, Foley CM, Marzaroli V, Schneider BL, Sharin MD, Kampf JW, Marchiò L, Zeller M, Guillot R, Mallah T, Tegoni M, Pecoraro VL, Zaleski CM. Unique Dimerization Topology and Countercation Binding Modes in 12‐Metallacrown‐4 Compounds. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Elvin V. Salerno
- Department of Chemistry University of Michigan Ann Arbor Michigan 48109 United States
| | - Collin M. Foley
- Department of Chemistry and Biochemistry Shippensburg University Shippensburg Pennsylvania 17257 United States
| | - Vittoria Marzaroli
- Department of Chemistry Life Sciences, and Environmental Sustainability University of Parma Parco Area delle Scienze 11 A 43124 Parma Italy
| | | | - Max D. Sharin
- Department of Chemistry University of Michigan Ann Arbor Michigan 48109 United States
| | - Jeff W. Kampf
- Department of Chemistry University of Michigan Ann Arbor Michigan 48109 United States
| | - Luciano Marchiò
- Department of Chemistry Life Sciences, and Environmental Sustainability University of Parma Parco Area delle Scienze 11 A 43124 Parma Italy
| | - Matthias Zeller
- Department of Chemistry Purdue University West Lafayette Indiana 47907 United States
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay Université Paris Saclay ICMMO CNRS 8182 91405 Orsay, Cedex France
| | - Talal Mallah
- Institut de Chimie Moléculaire et des Matériaux d'Orsay Université Paris Saclay ICMMO CNRS 8182 91405 Orsay, Cedex France
| | - Matteo Tegoni
- Department of Chemistry Life Sciences, and Environmental Sustainability University of Parma Parco Area delle Scienze 11 A 43124 Parma Italy
| | - Vincent L. Pecoraro
- Department of Chemistry University of Michigan Ann Arbor Michigan 48109 United States
| | - Curtis M. Zaleski
- Department of Chemistry and Biochemistry Shippensburg University Shippensburg Pennsylvania 17257 United States
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9
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Eliseeva SV, Travis JR, Nagy SG, Smihosky AM, Foley CM, Kauffman AC, Zaleski CM, Petoud S. Visible and near-infrared emitting heterotrimetallic lanthanide-aluminum-sodium 12-metallacrown-4 compounds: discrete monomers and dimers. Dalton Trans 2022; 51:5989-5996. [PMID: 35352078 DOI: 10.1039/d1dt04277g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The luminescence properties of two types of heterotrimetallic aluminum-lanthanide-sodium 12-metallacrown-4 compounds are presented here, LnNa(ben)4[12-MCAl(III)N(shi)-4] (LnAl4Na) and {LnNa[12-MCAl(III)N(shi)-4]}2(iph)4 (Ln2Al8Na2), where Ln = GdIII, TbIII, ErIII, and YbIII, MC is metallacrown, ben- is benzoate, shi3- is salicylhydroximate, and iph2- is isophthalate. The aluminum-lanthanide-sodium metallacrowns formed with benzoate are discrete monomers while, upon replacement of the benzoate with the dicarboxylate isophthalate, two individual metallacrowns can be joined to form a dimer. In the solid state, the terbium version of each structure type displays emission in the visible region, and the erbium and ytterbium complexes emit in the near-infrared. The luminescence lifetimes (τobs) and quantum yields have been collected under ligand excitation (QLLn) for both LnAl4Na monomers and Ln2Al8Na2 dimers. Several of these values tend to be shorter (luminescence lifetimes) and smaller (quantum yields) than the corresponding values recorded for the structurally similar gallium-lanthanide monomer and dimer 12-MC-4 molecules. However, the quantum yield value recorded for the visible emitting Tb2Al8Na2 dimer, 43.9%, is the highest value observed in the solid state to date for a TbIII based metallacrown.
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Affiliation(s)
- Svetlana V Eliseeva
- Centre de Biophysique Moléculaire, CNRS UPR 4301, 45071 Orléans Cedex 2, France.
| | - Jordan R Travis
- Department of Chemistry and Biochemistry, Shippensburg University, 1871 Old Main Dr., Shippensburg, PA 17257, USA.
| | - Sarah G Nagy
- Department of Chemistry and Biochemistry, Shippensburg University, 1871 Old Main Dr., Shippensburg, PA 17257, USA.
| | - Alyssa M Smihosky
- Department of Chemistry and Biochemistry, Shippensburg University, 1871 Old Main Dr., Shippensburg, PA 17257, USA.
| | - Collin M Foley
- Department of Chemistry and Biochemistry, Shippensburg University, 1871 Old Main Dr., Shippensburg, PA 17257, USA.
| | - Abigail C Kauffman
- Department of Chemistry and Biochemistry, Shippensburg University, 1871 Old Main Dr., Shippensburg, PA 17257, USA.
| | - Curtis M Zaleski
- Department of Chemistry and Biochemistry, Shippensburg University, 1871 Old Main Dr., Shippensburg, PA 17257, USA.
| | - Stéphane Petoud
- Centre de Biophysique Moléculaire, CNRS UPR 4301, 45071 Orléans Cedex 2, France.
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10
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Karns JP, Eliseeva SV, Ward CL, Allen MJ, Petoud S, Lutter JC. Near-Infrared Lanthanide-Based Emission from Fused Bis[Ln(III)/Zn(II) 14-metallacrown-5] Coordination Compounds. Inorg Chem 2022; 61:5691-5695. [PMID: 35377626 PMCID: PMC9418598 DOI: 10.1021/acs.inorgchem.2c00084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A set of (Ln[14-MCZn(II)N(quinHA)-5])2Ln2Zn2(quinHA)2(ph)2(Hph)4(OH)8(H2O)4 metallacrowns (Ln-1, Ln = Tb, Gd, or Yb; H2quinHA = quinaldic hydroxamic acid, H2ph = phthalic acid) have been synthesized via solution-state self-assembly. The metallacrowns possess an uncommon topology within the metallacrown family where two rarely seen 14-metallacrown-5 moieties are fused by a Yb2Zn2(quinHA)2 bridge. Moreover, Yb-1 analyzed in the solid state exhibits a characteristic near-infrared luminescence signal arising from Yb3+ 2F5/2→2F7/2 transition despite the proximity of high energy O-H oscillators.
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Affiliation(s)
- John P Karns
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - Svetlana V Eliseeva
- Centre de Biophysique Moléculaire, CNRS UPR 4301, 45071 Orléans Cedex 2, France
| | - Cassandra L Ward
- Lumingen Instrument Center, Wayne State University, Detroit, Michigan 48202, United States
| | - Matthew J Allen
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - Stéphane Petoud
- Centre de Biophysique Moléculaire, CNRS UPR 4301, 45071 Orléans Cedex 2, France
| | - Jacob C Lutter
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
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11
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Yao H, Calvez G, Daiguebonne C, Suffren Y, Bernot K, Roisnel T, Guillou O. Synthesis, Crystal Structure, and Luminescence Properties of the Iso-Reticular Series of Lanthanide Coordination Polymers Synthesized from Hexa-Lanthanide Molecular Precursors. Inorg Chem 2022; 61:4895-4908. [PMID: 35289618 DOI: 10.1021/acs.inorgchem.1c03654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Microwave-assisted reactions in DMSO, between a hexa-lanthanide octahedral complex ([Ln6(μ6-O)(μ3-OH)8(NO3)6(H2O)12·2NO3·2H2O] with Ln = Nd-Yb plus Y) and either 3-halogenobenzoic acid (hereafter symbolized by 3-xbH with x = f or c for fluoro or chloro, respectively) or 4-halogenobenzoic acid (hereafter symbolized by 4-xbH with x = f, c, or b for fluoro, chloro, or bromo, respectively), lead to 1D lanthanide coordination polymers. These coordination polymers are almost iso-reticular. The crystal structure is described on the basis of the coordination polymer with chemical formula [Tb(4-fb)3(DMSO)(H2O)2·DMSO]∞ obtained from 4-fluorobenzoic acid (4-fbH) and the Tb3+-based octahedral complex: It crystallizes in the triclinic system, space group P1̅ (n°2), with the following cell parameters: a = 9.8561(9) Å, b = 10.5636(9) Å, c = 15.1288(15) Å, α = 100.840(3)°, β = 95.552(3)°, γ = 110.482(3)°, V = 1426.4(3) Å3, and Z = 2. It can be described on the basis of 1D molecular chains. Luminescence properties of the Tb and Eu derivatives have been measured and compared vs the halogeno-function and its position (meta or para). Some molecular alloys have also been prepared to estimate the strength of the intermetallic energy transfers. To confirm that the hexa-nuclear complexes (and not the halogenated ligand) have a structuring effect for the formation of the straight chain-like molecular motif, another coordination polymer with chemical formula [Tb(4-npa)3DMSO·DMSO·H2O]∞ where 4-npaH symbolizes 4-nitro-phenyl-acetic acid has been prepared. It crystallizes in the triclinic system, space group P1̅ (n°2) with the following cell parameters: a = 7.8784(8) Å, b = 14.8719(16) Å, c = 15.2753(17) Å, α = 73.612(4)°, β = 86.406(4)°, γ = 83.104(4)°, V = 1703.8(3) Å3, and Z = 2. Its crystal structure can be described on the basis of a molecular motif that is similar to the one observed in the five previous crystal structures which confirms the structuring effect of the hexa-nuclear complexes.
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Affiliation(s)
- Haiyun Yao
- Univ Rennes, INSA Rennes, CNRS UMR 6226 "Institut des Sciences Chimiques de Rennes", 35708 Rennes, France
| | - Guillaume Calvez
- Univ Rennes, INSA Rennes, CNRS UMR 6226 "Institut des Sciences Chimiques de Rennes", 35708 Rennes, France
| | - Carole Daiguebonne
- Univ Rennes, INSA Rennes, CNRS UMR 6226 "Institut des Sciences Chimiques de Rennes", 35708 Rennes, France
| | - Yan Suffren
- Univ Rennes, INSA Rennes, CNRS UMR 6226 "Institut des Sciences Chimiques de Rennes", 35708 Rennes, France
| | - Kevin Bernot
- Univ Rennes, INSA Rennes, CNRS UMR 6226 "Institut des Sciences Chimiques de Rennes", 35708 Rennes, France.,Institut Universitaire de France, 1 rue Descartes, 75005 Paris, France
| | - Thierry Roisnel
- Univ Rennes, INSA Rennes, CNRS UMR 6226 "Institut des Sciences Chimiques de Rennes", 35708 Rennes, France
| | - Olivier Guillou
- Univ Rennes, INSA Rennes, CNRS UMR 6226 "Institut des Sciences Chimiques de Rennes", 35708 Rennes, France
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12
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Udayakantha M, Perera SS, Davidson RD, Zuin L, Rabuffetti FA, Banerjee S. Structure-Dependent Accessibility of Phonon-Coupled Radiative Relaxation Pathways Probed by X-ray-Excited Optical Luminescence. J Phys Chem Lett 2021; 12:11170-11175. [PMID: 34757751 DOI: 10.1021/acs.jpclett.1c03103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Rare-earth scheelites represent a diverse family of compounds with multiple degrees of freedom, which enables the incorporation of a wide range of lanthanide color centers. Precise positioning of quantum objects is attainable by the choice of alkali cations and lattice connectivity of polyanion units. Herein, we report the structure-dependent energy transfer and lattice coupling of optical transitions in La3+- and Dy3+-containing scheelite-type double and quadruple molybdates NaLa1-xDyx(MoO4)2 and Na5La1-xDyx(MoO4)4. X-ray excitation of La3+ core states generates excited-state electron-hole pairs, which, upon thermalizing across interconnected REO8 polyhedra in double molybdates, activate a phonon-coupled excited state of Dy3+. A pronounced luminescence band is observed corresponding to optical cooling of the lattice upon preferential radiative relaxation from a "hot" state. In contrast, combined X-ray absorption near-edge structure and X-ray-excited optical luminescence studies reveal that such a lattice coupling mechanism is inaccessible in quadruple molybdates with a greater separation of La3+-Dy3+ centers.
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Affiliation(s)
- Malsha Udayakantha
- Department of Chemistry, Department of Materials Science and Engineering, Texas A&M University, College Station, Texas 77843, United States
| | - S Sameera Perera
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Rachel D Davidson
- Department of Chemistry, Department of Materials Science and Engineering, Texas A&M University, College Station, Texas 77843, United States
| | - Lucia Zuin
- Canadian Light Source, University of Saskatchewan, Saskatoon, Saskatchewan S7N 2V3, Canada
| | - Federico A Rabuffetti
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Sarbajit Banerjee
- Department of Chemistry, Department of Materials Science and Engineering, Texas A&M University, College Station, Texas 77843, United States
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13
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Ning Y, Jin GQ, Wang MX, Gao S, Zhang JL. Recent progress in metal-based molecular probes for optical bioimaging and biosensing. Curr Opin Chem Biol 2021; 66:102097. [PMID: 34775149 DOI: 10.1016/j.cbpa.2021.102097] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/03/2021] [Accepted: 10/05/2021] [Indexed: 12/29/2022]
Abstract
Biological imaging and biosensing from subcellular/cellular level to whole body have enabled non-invasive visualisation of molecular events during various biological and pathological processes, giving great contributions to the rapid and impressive advances in chemical biology, drug discovery, disease diagnosis and prognosis. Optical imaging features a series of merits, including convenience, high resolution, good sensitivity, low cost and the absence of ionizing radiation. Among different luminescent probes, metal-based molecules offer unique promise in optical bioimaging and biosensing in vitro and in vivo, arising from their small sizes, strong luminescence, large Stokes shifts, long lifetimes, high photostability and tunable toxicity. In this review, we aim to highlight the design of metal-based molecular probes from the standpoint of synthetic chemistry in the last 2 years for optical imaging, covering d-block transition metal and lanthanide complexes and multimodal imaging agents.
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Affiliation(s)
- Yingying Ning
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, PR China; Athinoula A. Martinos Center for Biomedical Imaging, Institute for Innovation in Imaging (i(3)), Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, 02129, USA
| | - Guo-Qing Jin
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, PR China
| | - Meng-Xin Wang
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, PR China
| | - Song Gao
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, PR China; Chemistry and Chemical Engineering Guangdong Laboratory, Shantou, 515031, PR China; Spin-X Institute, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510641, PR China; Guangdong-Hong Kong-Macao Joint Laboratory of Optoelectronic and Magnetic Functional Materials
| | - Jun-Long Zhang
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, PR China; Chemistry and Chemical Engineering Guangdong Laboratory, Shantou, 515031, PR China.
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14
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Rauguth A, Kredel A, Carrella LM, Rentschler E. 3d/4f Sandwich Complex Based on Metallacrowns. Inorg Chem 2021; 60:14031-14037. [PMID: 34463493 DOI: 10.1021/acs.inorgchem.1c01356] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A novel lanthanide double-decker complex with nickel metallacrowns (MCs) as coordinating ligands has been synthesized. In the 3d/4f metallacrown complex TbIII[12-MCNiIIN(shi)-4]2, the central lanthanide ion is sandwiched between two [12-MC-4] units, forming an almost ideal square-antiprismatic coordination sphere. The resulting zenithal angles at the central lanthanide ion are smaller than those for previously reported sandwich compounds. Magnetic measurements reveal an energy barrier of 346 K under zero field and up to 585 K under 3200 Oe, the highest reported for metallacrowns with D4d symmetry.
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Affiliation(s)
- Andreas Rauguth
- Department of Chemistry, Johannes Gutenberg University of Mainz, Duesbergweg 10-14, Mainz D-55128, Germany
| | - Alexander Kredel
- Department of Chemistry, Johannes Gutenberg University of Mainz, Duesbergweg 10-14, Mainz D-55128, Germany
| | - Luca M Carrella
- Department of Chemistry, Johannes Gutenberg University of Mainz, Duesbergweg 10-14, Mainz D-55128, Germany
| | - Eva Rentschler
- Department of Chemistry, Johannes Gutenberg University of Mainz, Duesbergweg 10-14, Mainz D-55128, Germany
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15
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Passadis SS, Hadjithoma S, Siafarika P, Kalampounias AG, Keramidas AD, Miras HN, Kabanos TA. Synthesis, Structural and Physicochemical Characterization of a Titanium(IV) Compound with the Hydroxamate Ligand N,2-Dihydroxybenzamide. Molecules 2021; 26:5588. [PMID: 34577059 PMCID: PMC8465426 DOI: 10.3390/molecules26185588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 11/17/2022] Open
Abstract
The siderophore organic ligand N,2-dihydroxybenzamide (H2dihybe) incorporates the hydroxamate group, in addition to the phenoxy group in the ortho-position and reveals a very rich coordination chemistry with potential applications in medicine, materials, and physical sciences. The reaction of H2dihybe with TiCl4 in methyl alcohol and KOH yielded the tetranuclear titanium oxo-cluster (TOC) [TiIV4(μ-O)2(HOCH3)4(μ-Hdihybe)4(Hdihybe)4]Cl4∙10H2O∙12CH3OH (1). The titanium compound was characterized by single-crystal X-ray structure analysis, ESI-MS, 13C, and 1H NMR spectroscopy, solid-state and solution UV-Vis, IR vibrational, and luminescence spectroscopies and molecular orbital calculations. The inorganic core Ti4(μ-O)2 of 1 constitutes a rare structural motif for discrete TiIV4 oxo-clusters. High-resolution ESI-MS studies of 1 in methyl alcohol revealed the presence of isotopic distribution patterns which can be attributed to the tetranuclear clusters containing the inorganic core {Ti4(μ-O)2}. Solid-state IR spectroscopy of 1 showed the presence of an intense band at ~800 cm-1 which is absent in the spectrum of the H2dihybe and was attributed to the high-energy ν(Ti2-μ-O) stretching mode. The ν(C=O) in 1 is red-shifted by ~10 cm-1, while the ν(N-O) is blue-shifted by ~20 cm-1 in comparison to H2dihybe. Density Functional Theory (DFT) calculations reveal that in the experimental and theoretically predicted IR absorbance spectra of the ligand and Ti-complex, the main bands observed in the experimental spectra are also present in the calculated spectra supporting the proposed structural model. 1H and 13C NMR solution (CD3OD) studies of 1 reveal that it retains its integrity in CD3OD. The observed NMR changes upon addition of base to a CD3OD solution of 1, are due to an acid-base equilibrium and not a change in the TiIV coordination environment while the decrease in the complex's lability is due to the improved electron-donating properties which arise from the ligand deprotonation. Luminescence spectroscopic studies of 1 in solution reveal a dual narrow luminescence at different excitation wavelengths. The TOC 1 exhibits a band-gap of 1.98 eV which renders it a promising candidate for photocatalytic investigations.
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Affiliation(s)
- Stamatis S. Passadis
- Section of Inorganic and Analytical Chemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece;
| | - Sofia Hadjithoma
- Department of Chemistry, University of Cyprus, Nicosia 2109, Cyprus;
| | - Panagiota Siafarika
- Physical Chemistry Laboratory, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece;
| | - Angelos G. Kalampounias
- Physical Chemistry Laboratory, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece;
- Institute of Materials Science and Computing, University Research Center of Ioannina (URCI), 45110 Ioannina, Greece
| | | | | | - Themistoklis A. Kabanos
- Section of Inorganic and Analytical Chemistry, Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece;
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16
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17
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Wegner W, Zakrzewski JJ, Zychowicz M, Chorazy S. Incorporation of expanded organic cations in dysprosium(III) borohydrides for achieving luminescent molecular nanomagnets. Sci Rep 2021; 11:11354. [PMID: 34059691 PMCID: PMC8166919 DOI: 10.1038/s41598-021-88446-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 04/05/2021] [Indexed: 11/09/2022] Open
Abstract
Luminescent single-molecule magnets (SMMs) constitute a class of molecular materials offering optical insight into magnetic anisotropy, magnetic switching of emission, and magnetic luminescent thermometry. They are accessible using lanthanide(III) complexes with advanced organic ligands or metalloligands. We present a simple route to luminescent SMMs realized by the insertion of well-known organic cations, tetrabutylammonium and tetraphenylphosphonium, into dysprosium(III) borohydrides, the representatives of metal borohydrides investigated due to their hydrogen storage properties. We report two novel compounds, [n-Bu4N][DyIII(BH4)4] (1) and [Ph4P][DyIII(BH4)4] (2), involving DyIII centers surrounded by four pseudo-tetrahedrally arranged BH4- ions. While 2 has higher symmetry and adopts a tetragonal unit cell (I41/a), 1 crystallizes in a less symmetric monoclinic unit cell (P21/c). They exhibit yellow room-temperature photoluminescence related to the f-f electronic transitions. Moreover, they reveal DyIII-centered magnetic anisotropy generated by the distorted arrangement of four borohydride anions. It leads to field-induced slow magnetic relaxation, well-observed for the magnetically diluted samples, [n-Bu4N][YIII0.9DyIII0.1(BH4)4] (1@Y) and [Ph4P][YIII0.9DyIII0.1(BH4)4] (2@Y). 1@Y exhibits an Orbach-type relaxation with an energy barrier of 26.4(5) K while only the onset of SMM features was found in 2@Y. The more pronounced single-ion anisotropy of DyIII complexes of 1 was confirmed by the results of the ab initio calculations performed for both 1-2 and the highly symmetrical inorganic DyIII borohydrides, α/β-Dy(BH4)3, 3 and 4. The magneto-luminescent character was achieved by the implementation of large organic cations that lower the symmetry of DyIII centers inducing single-ion anisotropy and separate them in the crystal lattice enabling the emission property. These findings are supported by the comparison with 3 and 4, crystalizing in cubic unit cells, which are not emissive and do not exhibit SMM behavior.
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Affiliation(s)
- Wojciech Wegner
- College of Inter-Faculty Individual Studies in Mathematics and Natural Sciences, University of Warsaw, Banacha 2c, 02-097, Warsaw, Poland.
- Center of New Technologies, University of Warsaw, Banacha 2c, 02-097, Warsaw, Poland.
| | - Jakub J Zakrzewski
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Mikolaj Zychowicz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Szymon Chorazy
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland.
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18
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Zakrzewski JJ, Liberka M, Zychowicz M, Chorazy S. Diverse physical functionalities of rare-earth hexacyanidometallate frameworks and their molecular analogues. Inorg Chem Front 2021. [DOI: 10.1039/d0qi01197e] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The combination of rare-earth metal complexes and hexacyanidometallates of transition metals is a fruitful pathway for achieving functional materials exhibiting a wide scope of mechanical, magnetic, optical, and electrochemical properties.
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Affiliation(s)
| | - Michal Liberka
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Kraków
- Poland
| | | | - Szymon Chorazy
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Kraków
- Poland
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19
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Rojas-Poblete M, Rodríguez-Kessler PL, Guajardo Maturana R, Muñoz-Castro A. Coinage-metal pillarplexes hosts. Insights into host-guest interaction nature and luminescence quenching effects. Phys Chem Chem Phys 2021; 23:15917-15924. [PMID: 34086020 DOI: 10.1039/d1cp00849h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Host-guest chemistry is a relevant issue in materials science, which encourages further development of versatile host structures. Here the particular features of coinage-metal pillarplexes are evaluated towards formation of host-guest aggregates by the inclusion of 1,8-diaminooctane, as characterized for [M8(LMe)2]4+ (M = Ag, and, Au). The obtained results denotes the main contribution from van der Waals type interaction (50%), followed by a contribution from orbital polarization and electrostatic nature (20% and 30%), involving both orbitalary and electrostatic terms. Throughout the different coinage-metal based hosts (M = Cu, Ag, and Au), a similar interaction energy is found given by the large contribution of the π-surface from the organic ligand backbone to both van de Waals and electrostatic interactions. This suggests that a similar host structure can be obtained for the lighter copper counterpart, retaining similar how-guest features. Moreoves, the [Au8(LMe)2]4+ host exhibits inherent luminescent properties, involving the shortening of Au(i)-Au(i) contacts at the excited state, which is partially avoided when the guest is incorporated, accounting for the observed quenching from titration experiments. This results encourages further exploration of coinage metal hosts in the formation of inclusion complexes.
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Affiliation(s)
- Macarena Rojas-Poblete
- Instituto de Ciencias Químicas Aplicadas, Laboratorio de Química Inorgánica y Materiales Moleculares, Facultad de Ingeniería, Universidad Autonoma de Chile, El Llano Subercaseaux 2801, Santiago, Chile.
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