1
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Simms CH, Nielsen VRM, Sørensen TJ, Faulkner S, Langton MJ. Photoswitchable luminescent lanthanide complexes controlled and interrogated by four orthogonal wavelengths of light. Phys Chem Chem Phys 2024; 26:18683-18691. [PMID: 38922672 DOI: 10.1039/d4cp02243b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Optical information storage requires careful control of excitation and emission wavelengths in a reversible and orthogonal manner to enable efficient reading, writing, and erasing of information. Photochromic systems, in which a photoswitch is typcially coupled to an emissive organic fluorophore, have much promise in this regard. However, these suffer from considerable spectral overlap between the switch and fluorophore, such that their emissive and photoswitchable properties are not orthogonal. Here, we overcome this limitation by coupling visible/NIR emissive lanthanide complexes with molecular photoswitches, enabling reversible and orthogonal photoswitching with visible light. Crucially, photoswitching does not lead to sensitised emission from the lanthanide, while excitation of the lanthanide does not induce photoswitching, enabling the state of the system to be probed without perturbation of the switch. This opens up the possibility of developing multi-colour read-write methods for information storage using emissive photoswitches.
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Affiliation(s)
- Charlie H Simms
- Department of Chemistry, University of Oxford Chemistry Research Laboratory, Mansfield road, Oxford, OX1 3TA, UK.
| | - Villads R M Nielsen
- Nano-Science Centre and Department of Chemistry University of Copenhagen Universitetsparken 5, 2100 København Ø, Denmark
| | - Thomas Just Sørensen
- Nano-Science Centre and Department of Chemistry University of Copenhagen Universitetsparken 5, 2100 København Ø, Denmark
| | - Stephen Faulkner
- Department of Chemistry, University of Oxford Chemistry Research Laboratory, Mansfield road, Oxford, OX1 3TA, UK.
| | - Matthew J Langton
- Department of Chemistry, University of Oxford Chemistry Research Laboratory, Mansfield road, Oxford, OX1 3TA, UK.
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2
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Selvanathan P, Tufenkjian E, Galangau O, Roisnel T, Riobé F, Maury O, Norel L, Rigaut S. Ytterbium(III) Complex with Photochromic Ruthenium(II) Acetylide Ligand: All Visible Light Photoswitching of NIR Luminescence. Inorg Chem 2023; 62:2049-2057. [PMID: 36680521 DOI: 10.1021/acs.inorgchem.2c03628] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
We report a ruthenium(II) bisacetylide complex bearing a photochromic dithienylethene (DTE) acetylide arm and a coordinating bipyridyl on the trans acetylide unit. Its coordination with Yb(TTA)3 centers (TTA = 2-thenoyltrifluoroacetonate) produces a bimetallic complex in which the dithienylethene isomerization is triggered by both ultraviolet (UV) light absorbed by the DTE unit and 450 nm excitation in a transition of the organometallic moiety. The redox behavior arising from the ruthenium(II) bisacetylide system is fully investigated by cyclic voltammetry and spectroelectrochemistry, revealing a lack of stability of the DTE-closed oxidized state preventing effective redox luminescence switching. On the other hand, the photoswitching of ytterbium(III) near-infrared (NIR) emission triggered by the photochromic reaction is fully operational. The electronic structure of this complex in its different states characterized by strong electronic coupling between the DTE and the ruthenium(II)-based moieties leading to metal-assisted photochromic behavior were rationalized with the help of time-dependent density functional theory (TD-DFT) calculations.
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Affiliation(s)
- Pramila Selvanathan
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)─UMR 6226, F-35000 Rennes, France
| | - Elsa Tufenkjian
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)─UMR 6226, F-35000 Rennes, France
| | - Olivier Galangau
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)─UMR 6226, F-35000 Rennes, France
| | - Thierry Roisnel
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)─UMR 6226, F-35000 Rennes, France
| | - François Riobé
- Univ. Lyon, CNRS, Ecole Normale Supérieure de Lyon, Laboratoire de Chimie UMR 5182, 46 Allée d'Italie, F-69007 Lyon, France
| | - Olivier Maury
- Univ. Lyon, CNRS, Ecole Normale Supérieure de Lyon, Laboratoire de Chimie UMR 5182, 46 Allée d'Italie, F-69007 Lyon, France
| | - Lucie Norel
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)─UMR 6226, F-35000 Rennes, France
| | - Stéphane Rigaut
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes)─UMR 6226, F-35000 Rennes, France
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3
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O’Neil AT, Zhang N, Harrison JA, Goldup SM, Kitchen JA. Synthesis, photophysical and assembly studies of novel luminescent lanthanide(III) complexes of 1,2,3-triazolyl-pyridine-2,6-dicarboxamide-based ligands. Supramol Chem 2021. [DOI: 10.1080/10610278.2021.1955120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Alex T. O’Neil
- Chemistry, School of Natural and Computational Sciences, Massey University, Auckland, NZ, New Zealand
| | - Ningjin Zhang
- School of Chemistry, University of Southampton, Highfield, Southampton, UK
| | - John A. Harrison
- Chemistry, School of Natural and Computational Sciences, Massey University, Auckland, NZ, New Zealand
| | - Stephen M. Goldup
- School of Chemistry, University of Southampton, Highfield, Southampton, UK
| | - Jonathan A. Kitchen
- Chemistry, School of Natural and Computational Sciences, Massey University, Auckland, NZ, New Zealand
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4
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Norel L, Galangau O, Al Sabea H, Rigaut S. Remote Control of Near Infrared Emission with Lanthanide Complexes. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202000248] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Lucie Norel
- Univ Rennes, CNRS ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226 F-35000 Rennes France
| | - Olivier Galangau
- Univ Rennes, CNRS ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226 F-35000 Rennes France
| | - Hassan Al Sabea
- Univ Rennes, CNRS ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226 F-35000 Rennes France
| | - Stéphane Rigaut
- Univ Rennes, CNRS ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226 F-35000 Rennes France
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5
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Verma P, Singh A, Maji TK. Photo-modulated wide-spectrum chromism in Eu 3+ and Eu 3+/Tb 3+ photochromic coordination polymer gels: application in decoding secret information. Chem Sci 2020; 12:2674-2682. [PMID: 34164036 PMCID: PMC8179347 DOI: 10.1039/d0sc05721e] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 12/21/2020] [Indexed: 12/14/2022] Open
Abstract
Photo-switching emission of photochromic materials has paramount importance in the field of optoelectronics. Here, we report synthesis and characterization of a dithienylethene (DTE) based photochromic low molecular weight gelator (LMWG) and self-assembly with lanthanide (Eu3+ and Tb3+) ions to form a photochromic coordination polymer gel (pcCPG). Based on DTE ring opening and closing, the TPY-DTE gel shuttles from pale-yellow coloured TPY-DTE-O to dark blue coloured TPY-DTE-C and vice versa upon irradiating with UV and visible light, respectively, and both the photoisomers show distinct optical properties. Furthermore, integration of Eu3+ and Tb3+ lanthanides with TPY-DTE resulted in red and green emissive Eu-pcCPG (Q.Y. = 18.7% for the open state) and Tb-pcCPG (Q.Y. = 23.4% for the open state), respectively. The photoisomers of Eu-pcCPG exhibit photo-switchable spherical to fibrous reversible morphology transformation. Importantly, an excellent spectral overlap of the Eu3+ centred emission and absorption of DTE in the closed form offered photo-switchable emission properties in Eu-pcCPG based on pcFRET (energy transfer efficiency >94%). Further, owing to the high processability and photo-switchable emission, the Eu-pcCPG has been utilized as invisible security ink for protecting confidential information. Interestingly, mixed Eu3+/Tb3+ pcCPG exhibited photo-modulated multi-spectrum chromism reversibly where the colour changes from yellow, blue, and red to green and vice versa under suitable light irradiation.
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Affiliation(s)
- Parul Verma
- Molecular Material Laboratory, Chemistry and Physics of Material Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Bangalore-560064 India
| | - Ashish Singh
- Molecular Material Laboratory, Chemistry and Physics of Material Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Bangalore-560064 India
| | - Tapas Kumar Maji
- Molecular Material Laboratory, Chemistry and Physics of Material Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Bangalore-560064 India
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6
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Zhang Y, Zhou Y, Gao T, Yan P, Li H. Metal-directed synthesis of quadruple-stranded helical Eu(III) molecular switch: a significant improvement in photocyclization quantum yield. Chem Commun (Camb) 2020; 56:13213-13216. [PMID: 33026367 DOI: 10.1039/d0cc05698g] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The self-assembly of a quadruple-stranded Eu(iii) helicate induces the conformation transformation of a DAE-based photochromic ligand from parallel to antiparallel, which brings a significant improvement in the photocyclization quantum yield (Φo-c) as compared with the free ligand. Furthermore, the photocontrolled open- and closed-rings of the ligand realized a reversible modulation toward Eu3+ center emission.
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Affiliation(s)
- Yuan Zhang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China. and School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China.
| | - Yanyan Zhou
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China. and School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China.
| | - Ting Gao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China. and School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China.
| | - Pengfei Yan
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China. and School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China.
| | - Hongfeng Li
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China. and School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, P. R. China.
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7
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Peng XX, Zhu XF, Zhang JL. Near Infrared (NIR) imaging: Exploring biologically relevant chemical space for lanthanide complexes. J Inorg Biochem 2020; 209:111118. [PMID: 32502875 DOI: 10.1016/j.jinorgbio.2020.111118] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/13/2020] [Accepted: 05/17/2020] [Indexed: 02/08/2023]
Abstract
Near Infrared (NIR) imaging agents are extensively used in the biological or preclinical treatment and diagnosis of a wide range of diseases including cancers and tumors. The current arsenal of NIR compounds are most constituted by organic dyes, polymers, inorganic nanomaterials, whereas Ln molecular complexes explore an alternative approach to design NIR probes that are potentially bring new molecular toolkits into the biomedicine. In this review, NIR imaging agents are categorized according to their molecular sizes, constitution and the key properties and features of each class of compounds are briefly defined wherever possible. To better elucidate the features of Ln complexes, we provide a succinct understanding of sensitization process and molecular Ln luminescence at a mechanistic level, which may help to deliver new insights to design NIR imaging probes. Finally, we used our work on NIR ytterbium (Yb3+) probes as an example to raise awareness of exploring biologically relevant chemical space for lanthanide complexes as chemical entities for biological activity.
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Affiliation(s)
- Xin-Xin Peng
- 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, PR China
| | - Xiao-Fei Zhu
- 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, PR China; School of Chemistry and Life Science, Changchun University of Technology, Changchun 130012, PR China
| | - Jun-Long Zhang
- 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, PR China.
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8
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Regulating photothermal conversion of hemicyanine dye by light-controlling switch: A preliminary investigation. RESULTS IN CHEMISTRY 2020. [DOI: 10.1016/j.rechem.2020.100082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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9
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Al Sabea H, Hamon N, Galangau O, Norel L, Maury O, Riobé F, Tripier R, Rigaut S. Efficient luminescence control in dithienylethene functionalized cyclen macrocyclic lanthanide complexes. Inorg Chem Front 2020. [DOI: 10.1039/d0qi00354a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We report the synthesis of an original ligand scaffold based on a dimethyl-cyclen platform Medo2pa with two dithienylethene units attached to each picolinate arm and the corresponding yttrium(iii), europium(iii) and ytterbium(iii) complexes.
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Affiliation(s)
- Hassan Al Sabea
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F-35000 Rennes
- France
| | | | - Olivier Galangau
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F-35000 Rennes
- France
| | - Lucie Norel
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F-35000 Rennes
- France
| | | | | | | | - Stéphane Rigaut
- Univ Rennes
- CNRS
- ISCR (Institut des Sciences Chimiques de Rennes) – UMR 6226
- F-35000 Rennes
- France
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10
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Zhang Z, He L, Feng J, Liu X, Zhou L, Zhang H. Unveiling the Relationship between Energy Transfer and the Triplet Energy Level by Tuning Diarylethene within Europium(III) Complexes. Inorg Chem 2019; 59:661-668. [PMID: 31851500 DOI: 10.1021/acs.inorgchem.9b02907] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Luminescence performance and photoisomerization control of sensitized energy transfer in a series of Eu(acac)3De complexes that contain photochromic diarylethene (De) as the ligand are studied by theoretical methods. Both the open-ring and closed-ring isomers exhibit a consistent coordination mode between the EuIII ion and De. An unneglected weak interaction originating from electrostatic attraction is found in the region of the coordinate bond Eu-N. The open-ring isomer has higher triplet energy levels than 5D1 and 5D0 of the EuIII ion, which facilitates forward energy transfer from De to the EuIII ion. The closed-ring isomer, for the extended conjugated system formed in cyclization, has a much lower triplet energy level than 5D0 of the EuIII ion. The energy-gap deficit makes energy transfer unavailable. By utilization of this phenomenon, regulation of energy transfer and reversible on/off luminescence switching of the europium(III) complex can be achieved. The forward and backward energy-transfer rates in different channels are also calculated for the series of complexes. A statistics diagram is obtained to exhibit the change trend of energy-transfer rates in the forward and backward directions as a function of the triplet energy level, which indicates the contribution of different channels to energy transfer in each level region and figures out that the optimal triplet energy level should be in the range of 21740-19532 cm-1.
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Affiliation(s)
- Zhixiang Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , People's Republic of China
| | - Lingjun He
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , People's Republic of China
| | - Jing Feng
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , People's Republic of China
| | - Xiaojuan Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , People's Republic of China
| | - Liang Zhou
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , People's Republic of China
| | - Hongjie Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun 130022 , People's Republic of China
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11
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Al Sabea H, Norel L, Galangau O, Hijazi H, Métivier R, Roisnel T, Maury O, Bucher C, Riobé F, Rigaut S. Dual Light and Redox Control of NIR Luminescence with Complementary Photochromic and Organometallic Antennae. J Am Chem Soc 2019; 141:20026-20030. [DOI: 10.1021/jacs.9b11318] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Hassan Al Sabea
- Univ Rennes, CNRS, ISCR (Institut
des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Lucie Norel
- Univ Rennes, CNRS, ISCR (Institut
des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Olivier Galangau
- Univ Rennes, CNRS, ISCR (Institut
des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Hussein Hijazi
- Univ Rennes, CNRS, ISCR (Institut
des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Remi Métivier
- UMR CNRS 8531-PPSM, ENS
Paris-Saclay, Université Paris-Saclay, 94235 Cachan, France
| | - Thierry Roisnel
- Univ Rennes, CNRS, ISCR (Institut
des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
| | - Olivier Maury
- Univ Lyon, CNRS, Ecole Normale Supérieure de Lyon, Laboratoire de Chimie UMR 5182 46 allée d’Italie, F-69007 Lyon, France
| | - Christophe Bucher
- Univ Lyon, CNRS, Ecole Normale Supérieure de Lyon, Laboratoire de Chimie UMR 5182 46 allée d’Italie, F-69007 Lyon, France
| | - François Riobé
- Univ Lyon, CNRS, Ecole Normale Supérieure de Lyon, Laboratoire de Chimie UMR 5182 46 allée d’Italie, F-69007 Lyon, France
| | - Stéphane Rigaut
- Univ Rennes, CNRS, ISCR (Institut
des Sciences Chimiques de Rennes) − UMR 6226, F-35000 Rennes, France
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12
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13
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Near-infrared excited cooperative upconversion in luminescent Ytterbium(ΙΙΙ) bioprobes as light-responsive theranostic agents. Eur J Med Chem 2019; 163:546-559. [DOI: 10.1016/j.ejmech.2018.12.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 12/03/2018] [Accepted: 12/04/2018] [Indexed: 12/27/2022]
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14
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Abbas Z, Dasari S, Beltrán-Leiva MJ, Cantero-López P, Páez-Hernández D, Arratia-Pérez R, Butcher RJ, Patra AK. Luminescent europium(iii) and terbium(iii) complexes of β-diketonate and substituted terpyridine ligands: synthesis, crystal structures and elucidation of energy transfer pathways. NEW J CHEM 2019. [DOI: 10.1039/c9nj02838b] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A series of coordinatively saturated LnIII complexes: [Ln(R-TPY)(TTA)3] (1–6) were designed and structurally characterized and plausible energy transfer (ET) pathways determined using a theoretical method.
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Affiliation(s)
- Zafar Abbas
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Srikanth Dasari
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - María J. Beltrán-Leiva
- Relativistic Molecular Physics (ReMoPh) Group
- Ph.D. Program in Molecular Physical Chemistry
- Universidad Andrés Bello
- Santiago 8370146
- Chile
| | - Plinio Cantero-López
- Relativistic Molecular Physics (ReMoPh) Group
- Ph.D. Program in Molecular Physical Chemistry
- Universidad Andrés Bello
- Santiago 8370146
- Chile
| | - Dayán Páez-Hernández
- Relativistic Molecular Physics (ReMoPh) Group
- Ph.D. Program in Molecular Physical Chemistry
- Universidad Andrés Bello
- Santiago 8370146
- Chile
| | - Ramiro Arratia-Pérez
- Relativistic Molecular Physics (ReMoPh) Group
- Ph.D. Program in Molecular Physical Chemistry
- Universidad Andrés Bello
- Santiago 8370146
- Chile
| | | | - Ashis K. Patra
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
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15
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Wang N, Wang J, Zhao D, Mellerup SK, Peng T, Wang H, Wang S. Lanthanide Complexes with Photochromic Organoboron Ligand: Synthesis and Luminescence Study. Inorg Chem 2018; 57:10040-10049. [DOI: 10.1021/acs.inorgchem.8b01209] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Nan Wang
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Junwei Wang
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Dan Zhao
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Soren K. Mellerup
- Department of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Tai Peng
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
| | - Hongbo Wang
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, School of Chemical and Environmental Engineering, Jianghan University, Wuhan, Hubei 430056, P. R. China
| | - Suning Wang
- Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China
- Department of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
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16
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Wang YG, Li YQ, Tang HH, Lin LR, Ma LH. Near-Infrared Photoluminescence and Reversible Trans-to-Cis Photoisomerization of Mononuclear and Binuclear Ytterbium(III) Complexes Functionalized by Azobenzene Groups. ACS OMEGA 2018; 3:5480-5490. [PMID: 31458752 PMCID: PMC6641697 DOI: 10.1021/acsomega.8b00386] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Accepted: 05/03/2018] [Indexed: 06/02/2023]
Abstract
Two mononuclear and one binuclear ytterbium complexes with dual near-infrared (NIR) photoluminescence and reversible trans-to-cis photoisomerization functions were synthesized and characterized. The central ytterbium(III) ion coordinates with two β-diketonate (4,4,4-trifluoro-1-phenylbutane-1,3-dionate (tfd)) ligands and one deprotonated azobenzene-containing tetradentate ligand [(E)-4-(phenyldiazenyl)-N,N-bis(pyridin-2-ylmethyl) benzohydrazide (HL), (E)-4-((4-(dimethylamino)phenyl)diazenyl)-N,N-bis(pyridin-2-ylmethyl)benzohydrazide (HNL), or (E)-4,4'-N',N'-bis(pyridin-2-ylmethyl)benzohydrazide azobenzene (H2DL)] to form a neutral ternary complex ([Yb(tfd)2L], [Yb(tfd)2(NL)], or [Yb2(tfd)4(DL)], respectively), where the ytterbium(III) ion is eight-coordinated to N3O5 donor sets. X-ray crystallographic analysis shows that all three complexes form a trigonal dodecahedron geometry with similar -N=N- distances that are slightly longer than those of the pure azobenzene-containing ligands. The NIR luminescence properties of the Yb(III) complexes were determined at a wavelength of about 980 nm with quantum yields in the range of 0.4-0.6% in ethanol and acetonitrile solutions at room temperature, and trans-to-cis photoisomerization was determined with the quantum yields (Φt→c = 10-2) at the same level as their pure ligands. The trans-to-cis photoisomerization rates of the complexes (10-4 s-1) are slightly higher than those of the pure ligands and similar to azobenzene (10-5 to 10-4 s-1). From time-dependent density functional theory calculations of the energy levels of the first excited triplet states of the ligands, the energies of the lowest excited triplet states of all of the ligands are higher than the resonance level of Yb3+ (2F5/2, 1.2722 eV). We suggest that these azo-containing ligands may participate in energy transfer to the ytterbium ion, in addition to the main "antenna effect" ligand tfd. This is the first report of azobenzene group-functionalized ytterbium complexes with dual NIR luminescence and photoisomerization properties, indicating that azobenzene-containing lanthanide(III) complexes have potential applications as dual function materials in biological systems.
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Affiliation(s)
- Yun-Guang Wang
- Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Yu-Qian Li
- Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Hui-Hui Tang
- Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Li-Rong Lin
- Department
of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P. R. China
| | - Li-Hua Ma
- Department
of Chemistry, College of Science and Computer Engineering, University of Houston-Clear Lake, 2700 Bay Area Blvd, Houston, Texas 77058, United States
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17
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Hashimoto Y, Nakashima T, Yamada M, Yuasa J, Rapenne G, Kawai T. Hierarchical Emergence and Dynamic Control of Chirality in a Photoresponsive Dinuclear Complex. J Phys Chem Lett 2018; 9:2151-2157. [PMID: 29641885 DOI: 10.1021/acs.jpclett.8b00690] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Chiroptical photoswitches are of interest from a viewpoint of applications in advanced information technologies. We report dynamic on-off photoswitching of circularly polarized luminescence (CPL) in a binuclear europium complex system. Two coordination units are arranged closely in a chiral fashion by a photoresponsive ligand with a one-handed helical structure. The chirality in the helical scaffold is hierarchically transferred to the chirality in nine-coordinate complex sites. The chiral close arrangement of complex units induces the enrichment of a specific chiral coordination structure in the nine-coordinate europium sites. The chiral arrangement of complex units is switched in conjunction with the photoinduced helix-nonhelix structural change in the photoresponsive framework, demonstrating on-off switching of CPL with high contrast.
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Affiliation(s)
- Yuichiro Hashimoto
- Graduate School of Materials Science , Nara Institute of Science and Technology , Ikoma, Nara 630-0192 , Japan
| | - Takuya Nakashima
- Graduate School of Materials Science , Nara Institute of Science and Technology , Ikoma, Nara 630-0192 , Japan
| | - Miku Yamada
- Graduate School of Materials Science , Nara Institute of Science and Technology , Ikoma, Nara 630-0192 , Japan
| | - Junpei Yuasa
- Department of Applied Chemistry , Tokyo University of Science , Kagurazaka, Shinjuku , Tokyo 162-8061 , Japan
| | - Gwénaël Rapenne
- Graduate School of Materials Science , Nara Institute of Science and Technology , Ikoma, Nara 630-0192 , Japan
- NAIST-CEMES International Collaborative Laboratory, CEMES-CNRS , 29 rue Jeanne Marvig , BP94347, 31055 Toulouse , France
| | - Tsuyoshi Kawai
- Graduate School of Materials Science , Nara Institute of Science and Technology , Ikoma, Nara 630-0192 , Japan
- NAIST-CEMES International Collaborative Laboratory, CEMES-CNRS , 29 rue Jeanne Marvig , BP94347, 31055 Toulouse , France
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18
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Ruan J, Yang Z, Huang A, Zhang H, Qiu J, Song Z. Thermomchromic Reaction-Induced Reversible Upconversion Emission Modulation for Switching Devices and Tunable Upconversion Emission Based on Defect Engineering of WO 3:Yb 3+,Er 3+ Phosphor. ACS APPLIED MATERIALS & INTERFACES 2018; 10:14941-14947. [PMID: 29620845 DOI: 10.1021/acsami.8b03616] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Reversible luminescence modulation of upconversion phosphors has the potential applications as photoswitches and optical memory and data storage devices. Previously, the photochromic reaction was extensively used for the realization of reversible luminescence modulation. It is very necessary to develop other approaches such as thermomchromic reaction to obtain the reversible upconversion luminescence modulation. In this work, the WO3:Yb3+,Er3+ phosphors with various colors were prepared at various temperatures, exhibiting tunable upconversion luminescence attributed to the formation of oxygen vacancies in the host. Upon heat treatment in the reducing atmosphere or air, the WO3:Yb3+,Er3+ phosphors show a reversible thermomchromic property. The reversible upconversion luminescence modulation of WO3:Yb3+,Er3+ phosphors was observed based on thermomchromic reaction. Additionally, the upconversion luminescence modulation is maintained after several cycles, indicating its excellent stability. The WO3:Yb3+,Er3+ phosphors with reversible upconversion luminescence and excellent reproducibility have potential applications as the photoswitches and optical memory and data storage devices.
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Affiliation(s)
- Jiufeng Ruan
- College of Materials Science and Engineering , Kunming University of Science and Technology , Kunming 650093 , China
| | - Zhengwen Yang
- College of Materials Science and Engineering , Kunming University of Science and Technology , Kunming 650093 , China
| | - Anjun Huang
- College of Materials Science and Engineering , Kunming University of Science and Technology , Kunming 650093 , China
| | - Hailu Zhang
- College of Materials Science and Engineering , Kunming University of Science and Technology , Kunming 650093 , China
| | - Jianbei Qiu
- College of Materials Science and Engineering , Kunming University of Science and Technology , Kunming 650093 , China
| | - Zhiguo Song
- College of Materials Science and Engineering , Kunming University of Science and Technology , Kunming 650093 , China
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19
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Ko CC, Yam VWW. Coordination Compounds with Photochromic Ligands: Ready Tunability and Visible Light-Sensitized Photochromism. Acc Chem Res 2018; 51:149-159. [PMID: 29265804 DOI: 10.1021/acs.accounts.7b00426] [Citation(s) in RCA: 121] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Photochromic compounds are well-known for their promising applications in many areas. In this context, many different photochromic families have been developed. As the early study of these photochromic compounds was mainly focused on the organic system, their photochromic reactivity was mainly derived from the singlet excited state. We hypothesized that the incorporation of the photochromic ligand to the transition metal complex and coordination complex systems would not only render the triplet state of the organic photochromic system more readily accessible due to the large spin-orbit coupling of the heavy metal center but also would lead to ready extension of the excitation wavelength to less destructive longer wavelength low-energy excitation. On the other hand, the long-lived triplet excited states of the metal complexes are also suitable for energy or electron transfer processes, which should lead to new photochromic behavior and photoswitchable functional properties. Through the incorporation of the stilbene-, azo-, spirooxazine-, and dithienylethene-containing ligands to transition metal complex systems with heavy metal centers and suitable excited states, triplet state photosensitized photochromism has been achieved. With the triplet state photosensitization, the photochromism of these compounds could be extended from the high energy UV region to the visible region. In the development of dithienylethene-containing ligands, we have adopted an alternative strategy, which involves the incorporation of nitrogen and sulfur heterocycles that directly form part of the dithienylethene framework as ligands to exert a much stronger perturbation and influence on the excited state properties of the photochromic unit by the metal center. On the basis of the new design, wide ranges of dithienylethene-containing ligands, including phenanthrolines, 2-pyridylimidazoles, N-pyridylimidazol-2-ylidenes, cyclometalating thienylpyridines, β-diketonates, and β-ketoiminates have been designed and incorporated into various coordination systems. Apart from the photosensitization, tuning of the closed form absorption and photochromic behavior based on the perturbation of the metal center, coordination-assisted planarization, modification of the ancillary ligands and introduction of various electronic excited states derived from the coordination system have been successfully demonstrated. This strategy can be used for developing NIR photochromic dithienylethenes. With the above effects observed upon the coordination to different transition metal centers and central atoms, this strategy offers a simple and effective way for the modification of the photochromic characteristics. Moreover, the emission and other functional properties of the coordination systems could also be photoswitched by the photochromic reactions.
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Affiliation(s)
- Chi-Chiu Ko
- Institute
of Molecular Functional Materials (Areas of Excellence Scheme, University
Grants Committee (Hong Kong)) and Department
of Chemistry, The University of Hong Kong, Pokfulam Road, Pokfulam, Hong Kong, P. R. China
- Department
of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China
| | - Vivian Wing-Wah Yam
- Institute
of Molecular Functional Materials (Areas of Excellence Scheme, University
Grants Committee (Hong Kong)) and Department
of Chemistry, The University of Hong Kong, Pokfulam Road, Pokfulam, Hong Kong, P. R. China
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