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Sun Y, Liu J, Wang B, Hou S, Zhang Y, Fu G, Lü X. Straightforward and high-performance white-light of an isostructurally organo-(Gd3+,Tb3+,Sm3+)-ternary blending through typical trichromatic integration. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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2
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Psalti AE, Andriotou D, Diamantis SA, Chatz-Giachia A, Pournara A, Manos MJ, Hatzidimitriou A, Lazarides T. Mixed-Metal and Mixed-Ligand Lanthanide Metal-Organic Frameworks Based on 2,6-Naphthalenedicarboxylate: Thermally Activated Sensitization and White-Light Emission. Inorg Chem 2022; 61:11959-11972. [PMID: 35861587 DOI: 10.1021/acs.inorgchem.2c01703] [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
Trivalent lanthanide ions (Ln3+) hold an exceptional position in the field of optoelectronic materials due to their atomic-like emission spectra and long luminescence lifetimes. Metal-organic frameworks (MOFs) and coordination polymers are particularly suited as luminescent materials due to their structural diversity and ease of functionalization both at bridging ligands and/or metal centers. In this contribution, we present a series of mixed-metal Ln3+/Eu3+ (Ln = La, Gd) and mixed-ligand (2,6-naphthalenedicarboxylate (ndc2-) and 4-aminonaphthalene-2,6-dicarboxylate (andc2-)) MOFs belonging to three different structural types, with emissions spanning most of the visible region, thereby constituting favorable materials for color tuning and white-light emission. We investigate the thermal stability and photophysical properties of the synthesized materials with regard to their metal and ligand doping levels and structural type, where we discuss excimer and monomer emission. The photophysical study, involving both steady-state and time-resolved luminescence measurements, allows us to discuss the possible energy migration and Eu3+ sensitization pathways that take place within these materials following ligand excitation. Low-temperature luminescence studies led us to determine the energies of the ligand-based excited states and investigate their participation in thermally activated energy transfer mechanisms within the studied lattices. We observe emission quantum yields of up to 87% for the Eu3+-doped materials, while their ligand- and metal-doped counterparts show decreased quantum yields of up to 17%. Finally, we attempt fine color tuning by carefully adjusting the doping levels to achieve yellow and white-light emission.
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Affiliation(s)
- Athanasia E Psalti
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Despoina Andriotou
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Stavros A Diamantis
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Amina Chatz-Giachia
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | | | - Manolis J Manos
- Department of Chemistry, University of Ioannina, 45110 Ioannina, Greece.,Institute of Materials Science and Computing, University Research Center of Ioannina, 45110 Ioannina, Greece
| | | | - Theodore Lazarides
- Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
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3
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Xu K, Xie X, Zheng LM. Iridium-lanthanide complexes: Structures, properties and applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214367] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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4
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Shang P, Dong G, Jiang XF. Hydrogen bonds promoted formation of Eu(III)-based host-guest complex and luminescence properties. Inorganica Chim Acta 2022; 530:120676. [DOI: 10.1016/j.ica.2021.120676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | - Geng Dong
- Medical Informatics Research Center, Shantou University Medical College, Shantou 515041, China
| | - Xuan-Feng Jiang
- Key Laboratory of Green Preparation and Application for Functional Materials, Ministry of Education, Hubei Key Laboratory of Polymer Science, School of Materials Science and Engineering, Hubei University, Wuhan, Hubei 430062, China
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5
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Qiu Y, Feng Y, Zhao Q, Wang H, Guo Y, Qiu D. White light emission from a green cyclometalated platinum(ii) terpyridylphenylacetylide upon titration with Zn(ii) and Eu(iii ). Dalton Trans 2020; 49:11163-11169. [PMID: 32747881 DOI: 10.1039/d0dt02336a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The cyclometalated Pt(ii) acetylide derivative with a 1,3-bis(N-octyl-benzimidazol-2-yl)benzene (N^C^N) ligand and a free terpyridine (TPY) receptor has been successfully synthesized and characterized. X-ray crystallography shows its inefficient conjugation degree between the [(N^C^N)Pt] and TPY planes. This bifunctional complex shows an enhanced 1MLCT/LLCT absorption band (ε = 3.30 × 104 dm3 mol-1 cm-1) centered at λmax = 365 nm, and the well-resolved vibronic-structured 3MLCT/LLCT emission bands (Φ = 0.08, τ = 3.43 μs) in the range of ca. 475-700 nm. Consecutive titrations show that added Zn2+ and Eu(HFA)3 bond to its free TPY receptor with 1 : 2 and 1 : 1 stoichiometry to form the heterotrinuclear Pt-Zn-Pt (Ka = 3.48 × 104 mol-1 dm3) and heterodinuclear Pt-Eu (Ka = 1.73 × 104 mol-1 dm3) complexes, respectively. A sensitizing effect of Zn2+ on the TPY unit, and the incomplete d → f energy transfer from the [(N^C^N)Pt(ii)] antenna donor to the Eu(iii) center with maximum efficiency of 51.8% are observed. Using an in situ mixed titration strategy, the R/G/B emission triads consisted of red [(TPY)Eu(HFA)3] and green [(N^C^N)Pt(ii)] dual phosphorescence and blue [(TPY)Zn(TPY)] fluorescence, which can be well balanced to realize the white-light-emission with CIE coordinates (x = 0.36, y = 0.36) by precisely controlling the molar ratio (9 : 1 : 2) of the parent complexes, Eu(HFA)3 and Zn(ClO4)2.
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Affiliation(s)
- Yuqing Qiu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou City, Henan Province 450001, P. R. China
| | - Yuquan Feng
- College of Chemistry and Pharmacy Engineering, Nanyang Normal University, Nanyang City, Henan Province 473061, P. R. China.
| | - Qian Zhao
- College of Chemistry and Pharmacy Engineering, Nanyang Normal University, Nanyang City, Henan Province 473061, P. R. China.
| | - Hongwei Wang
- College of Chemistry and Pharmacy Engineering, Nanyang Normal University, Nanyang City, Henan Province 473061, P. R. China.
| | - Yingchen Guo
- College of Chemistry and Pharmacy Engineering, Nanyang Normal University, Nanyang City, Henan Province 473061, P. R. China.
| | - Dongfang Qiu
- College of Chemistry and Pharmacy Engineering, Nanyang Normal University, Nanyang City, Henan Province 473061, P. R. China.
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6
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Chen Z, Ho CL, Wang L, Wong WY. Single-Molecular White-Light Emitters and Their Potential WOLED Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1903269. [PMID: 32009268 DOI: 10.1002/adma.201903269] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 09/30/2019] [Indexed: 05/06/2023]
Abstract
White organic light-emitting diodes (WOLEDs) are superior to traditional incandescent light bulbs and compact fluorescent lamps in terms of their merits in ensuring pure white-light emission, low-energy consumption, large-area thin-film fabrication, etc. Unfortunately, WOLEDs based on multilayered or multicomponent (red, green, and blue (RGB)) emissive layers can suffer from some remarkable disadvantages, such as intricate device fabrication and voltage-dependent emission color, etc. Single molecules, which can emit white light, can be used to replace multiple emitters, leading to a simplified fabrication process, stable and reproducible WOLEDs. Recently, the performance of WOLEDs by using single molecules is catching up with that of the state-of-the-art devices fabricated by multicomponent emitters. Therefore, an increasing attention has been paid on single white-light-emitting materials for efficient WOLEDs. In this review, different mechanisms of white-light emission from a single molecule and the performance of single-molecule-based WOLEDs are collected and expounded, hoping to light up the interesting subject on single-molecule white-light-emitting materials, which have great potential as white-light emitters for illumination and lighting applications in the world.
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Affiliation(s)
- Zhao Chen
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
- Institute of Molecular Functional Materials and Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon Tong, Hong Kong, P. R. China
- School of Applied Physics and Materials, Wuyi University, Jiangmen, 529020, P. R. China
| | - Cheuk-Lam Ho
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Liqi Wang
- Institute of Molecular Functional Materials and Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon Tong, Hong Kong, P. R. China
| | - Wai-Yeung Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, P. R. China
- Institute of Molecular Functional Materials and Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon Tong, Hong Kong, P. R. China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, P. R. China
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7
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Belyaev A, Slavova SO, Solovyev IV, Sizov VV, Jänis J, Grachova EV, Koshevoy IO. Solvatochromic dual luminescence of Eu–Au dyads decorated with chromophore phosphines. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01015g] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Chromophore-containing phosphines produce highly solvatochromic gold(i) fluorophores. Their combination with red-emitting Eu centers offers a facile approach to dual emissive complexes with widely tunable luminescence characteristics.
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Affiliation(s)
- Andrey Belyaev
- Department of Chemistry
- University of Eastern Finland
- Joensuu
- Finland
| | - Sofia O. Slavova
- Institute of General and Inorganic Chemistry
- Bulgarian Academy of Sciences
- Sofia
- Bulgaria
| | - Igor V. Solovyev
- Institute of Chemistry
- St. Petersburg State University
- St. Petersburg
- Russia
| | - Vladimir V. Sizov
- Institute of Chemistry
- St. Petersburg State University
- St. Petersburg
- Russia
| | - Janne Jänis
- Department of Chemistry
- University of Eastern Finland
- Joensuu
- Finland
| | - Elena V. Grachova
- Institute of Chemistry
- St. Petersburg State University
- St. Petersburg
- Russia
| | - Igor O. Koshevoy
- Department of Chemistry
- University of Eastern Finland
- Joensuu
- Finland
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8
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Crowston BJ, Shipp JD, Chekulaev D, McKenzie LK, Jones C, Weinstein JA, Meijer AJH, Bryant HE, Natrajan L, Woodward A, Ward MD. Heteronuclear d-d and d-f Ru(ii)/M complexes [M = Gd(iii), Yb(iii), Nd(iii), Zn(ii) or Mn(ii)] of ligands combining phenanthroline and aminocarboxylate binding sites: combined relaxivity, cell imaging and photophysical studies. Dalton Trans 2019; 48:6132-6152. [PMID: 30990506 DOI: 10.1039/c9dt00954j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A ligand skeleton combining a 1,10-phenanthroline (phen) binding site and one or two heptadentate N3O4 aminocarboxylate binding sites, connected via alkyne spacers to the phen C3 or C3/C8 positions, has been used to prepare a range of heteronuclear Ru·M and Ru·M2 complexes which have been evaluated for their cell imaging, relaxivity, and photophysical properties. In all cases the phen unit is bound to a {Ru(bipy)2}2+ unit to give a phosphorescent {Ru(bipy)2(phen)}2+ luminophore, and the pendant aminocarboxylate sites are occupied by a secondary metal ion M which is either a lanthanide [Gd(iii), Nd(iii), Yb(iii)] or another d-block ion [Zn(ii), Mn(ii)]. When M = Gd(iii) or Mn(ii) these ions provide the complexes with a high relaxivity for water; in the case of Ru·Gd and Ru·Gd2 the combination of high water relaxivity and 3MLCT phosphorescence from the Ru(ii) unit provides the possibility of two different types of imaging modality in a single molecular probe. In the case of Ru·Mn and Ru·Mn2 the Ru(ii)-based phosphorescence is substantially reduced compared to the control complexes Ru·Zn and Ru·Zn2 due to the quenching effect of the Mn(ii) centres. Ultrafast transient absorption spectroscopy studies on Ru·Mn (and Ru·Zn as a non-quenched control) reveal the occurrence of fast (<1 ns) PET in Ru·Mn, from the Mn(ii) ion to the Ru(ii)-based 3MLCT state, i.e. MnII-(phen˙-)-RuIII → MnIII-(phen˙-)-RuII; the resulting MnIII-(phen˙-) state decays with τ ≈ 5 ns and is non-luminescent. This occurs in conformers when an ET pathway is facilitated by a planar, conjugated bridging ligand conformation connecting the two units across the alkyne bridge but does not occur in conformers where the two units are electronically decoupled by a twisted conformation of the bridging ligand. Computational studies (DFT) on Ru·Mn confirmed both the occurrence of the PET quenching pathway and its dependence on molecular conformation. In the complexes Ru·Ln and Ru·Ln2 (Ln = Nd, Yb), sensitised near-infrared luminescence from Nd(iii) or Yb(iii) is observed following photoinduced energy-transfer from the Ru(ii) core, with Ru → Nd energy-transfer being faster than Ru → Yb energy-transfer due to the higher density of energy-accepting states on Nd(iii).
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9
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Sábio RM, Santagneli SH, Gressier M, Caiut JMA, Pazin WM, Leite IS, Inada NM, Rosa da Silva R, Ribeiro SJL, Menu MJ. Luminescent nanohybrids based on silica and silylated Ru(II)-Yb(III) heterobinuclear complex: new tools for biological media analysis. NANOTECHNOLOGY 2019; 31:085709. [PMID: 31703226 DOI: 10.1088/1361-6528/ab55c3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Lanthanide (Ln) complexes emitting in the near-infrared (NIR) region have fostered great interest as upcoming optical tags owing to their high spatial and temporal resolution emission as well deeper light penetration in biological tissues for non-invasive monitoring. For use in live-cell imaging, lanthanide complexes with long-wavelength absorption and good brightness are especially critical. Light-harvesting ligands of Ln complexes are typically excited in the ultraviolet region, which in turn trigger simultaneously autofluorescence and long-exposition damage of living systems. The association of d-metalloligands rather than organic chromophores enables the excitation of NIR-emitting Ln complex occurs in the visible region. Taking advantage of the long-lived excited states and intense absorption band in the ultraviolet (UV) to NIR region of Ru(II), we successfully design a dual-emitting (in the visible and NIR region) d-f heterobinuclear complex based on Ru(II) metalloligand and Yb(III) complex. In addition, we developed luminescent nanohybrids by grafting of Ru(II)-Yb(III) heterobinuclear complexes containing silylated ligands on the surface of mesoporous and dense silica matrix. The nanomarkers were successfully applied for imaging of murine melanoma B16-F10 and neonatal human dermal fibroblast HDFn cell cultures by one-photon or two-photon absorption using laser scanning confocal microscopy. Great cellular uptake, low cytotoxicity and the possibility to achieve visible and NIR emission via two-photons excitation show that the nanohybrids are remarkable markers for in vitro and a potential tool for in vivo applications.
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Affiliation(s)
- Rafael Miguel Sábio
- Institute of Chemistry, São Paulo State University, UNESP, CP355-Araraquara-SP, Brazil. CIRIMAT Université de Toulouse, CNRS, INPT, UPS, Toulouse, France. 118 route de Narbonne, F-31062, Toulouse Cedex 9, France
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10
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Gusev AN, Shulgin VF, Kiskin MA. Self-Assembly of Polynuclear Complexes Based on Spacer- Armed Pyridylazoles. J STRUCT CHEM+ 2019. [DOI: 10.1134/s0022476619030016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Sato T, Higuchi M. Efficient white-light-emission from a heterometallo-supramolecular polymer with Eu(III) and Zn(II) ions introduced alternately. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.02.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Xu YY, Chen P, Gao T, Li HF, Yan PF. White-light emission based on a single component Sm(iii) complex and enhanced optical properties by doping methods. CrystEngComm 2019. [DOI: 10.1039/c8ce01919c] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Six lanthanide complexes with enhanced tunable photoluminescence were designed and synthesized using codoping methods and single component white-light emission was achieved.
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Affiliation(s)
- Yuan-Yi Xu
- Key Laboratory of Functional Inorganic Material Chemistry (MOE)
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
- P.R. China
| | - Peng Chen
- Key Laboratory of Functional Inorganic Material Chemistry (MOE)
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
- P.R. China
| | - Ting Gao
- Key Laboratory of Functional Inorganic Material Chemistry (MOE)
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
- P.R. China
| | - Hong-Feng Li
- Key Laboratory of Functional Inorganic Material Chemistry (MOE)
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
- P.R. China
| | - Peng-Fei Yan
- Key Laboratory of Functional Inorganic Material Chemistry (MOE)
- School of Chemistry and Materials Science
- Heilongjiang University
- Harbin 150080
- P.R. China
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13
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Dennison GH, Curty C, Metherell AJ, Micich E, Zaugg A, Ward MD. Qualitative colorimetric analysis of a Ir(iii)/Eu(iii) dyad in the presence of chemical warfare agents and simulants on a paper matrix. RSC Adv 2019; 9:7615-7619. [PMID: 35521155 PMCID: PMC9061201 DOI: 10.1039/c9ra00824a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 02/26/2019] [Indexed: 11/21/2022] Open
Abstract
The addition of G- and V-series organophosphorus chemical warfare agents and simulants to a paper-based assay of a dual-luminescent Ir(iii)/Eu(iii) dyad generated different emissive responses between the classes and compound types. The emission responses are complex and based not only on altering the balance between red Eu(iii)-based and blue Ir(iii)-based luminescent components, but also incorporate other factors such as analyte volatility, concentration and UV absorption. The extent of this emission colour change was analysed colorimetrically and related to the change in RGB output over time. A dual emissive Ir(iii)/Eu(iii) dyad in a paper-based luminescence assay for liquid chemical warfare agents demonstrated clear visual responses.![]()
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Affiliation(s)
| | - Christophe Curty
- Organic Chemistry Branch
- Federal Office for Civil Protection (FOCP)
- Spiez Laboratory
- Switzerland
| | | | - Eva Micich
- Land Division
- Defence Science and Technology Group
- Melbourne
- Australia
| | - Andreas Zaugg
- Organic Chemistry Branch
- Federal Office for Civil Protection (FOCP)
- Spiez Laboratory
- Switzerland
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14
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Junker AKR, Sørensen TJ. Shining light on the excited state energy cascade in kinetically inert Ln(iii) complexes of a coumarin-appended DO3A ligand. Dalton Trans 2019; 48:964-970. [DOI: 10.1039/c8dt04464c] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Lanthanide based molecular probes for bioimaging relies on the antenna effect, here we are unravelling the excited state energy cascade that results in sensitized lanthanide luminescence.
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Affiliation(s)
- Anne Kathrine R. Junker
- Nano-Science Center & Department of Chemistry
- University of Copenhagen
- 2100 København Ø
- Denmark
| | - Thomas Just Sørensen
- Nano-Science Center & Department of Chemistry
- University of Copenhagen
- 2100 København Ø
- Denmark
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15
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Das P, Kumar A, Chowdhury A, Mukherjee PS. Aggregation-Induced Emission and White Luminescence from a Combination of π-Conjugated Donor-Acceptor Organic Luminogens. ACS OMEGA 2018; 3:13757-13771. [PMID: 31458076 PMCID: PMC6645036 DOI: 10.1021/acsomega.8b01706] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 10/05/2018] [Indexed: 05/19/2023]
Abstract
Two new star-shaped phenyl- and triazine-core based donor-acceptor (D-A) type conjugated molecules bearing triphenylamine end-capped arms were synthesized and characterized as imminent organic optoelectronic materials. Photophysical properties of the compounds were explored systematically via spectroscopic and theoretical methods. Because of the presence of donor-acceptor interactions, these luminogens display multifunctional properties, for instance, high extinction coefficient, large stokes shift, and pronounced solvatochromic effect. The compounds also exhibited phenomenon known as aggregation-induced emission on formation of nano-aggregates in the tetrahydrofuran-water mixture. The aggregate formation was confirmed by transmission electron microscopy, scanning electron microscopy, and dynamic light scattering analyses. Moreover, by controlling the electron withdrawing ability of the acceptor, complementary emissive fluorophores (blue and yellow) were achieved. These two complementary colors together span the entire range of visible spectrum (400-800 nm) and therefore when mixed in a requisite proportion generate white light in solution phase. These findings have potential for the progress of new organic white light radiating materials for applications in lighting and display devices.
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Affiliation(s)
- Paramita Das
- Department of Inorganic
and Physical Chemistry, Indian Institute
of Science, Bangalore 560012, India
- Department
of Chemistry, Asutosh College, 92, S. P. Mukherjee Road, Kolkata 700026, India
| | - Atul Kumar
- Department of Inorganic
and Physical Chemistry, Indian Institute
of Science, Bangalore 560012, India
| | - Aniket Chowdhury
- Department of Inorganic
and Physical Chemistry, Indian Institute
of Science, Bangalore 560012, India
| | - Partha Sarathi Mukherjee
- Department of Inorganic
and Physical Chemistry, Indian Institute
of Science, Bangalore 560012, India
- E-mail:
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16
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Pan M, Liao WM, Yin SY, Sun SS, Su CY. Single-Phase White-Light-Emitting and Photoluminescent Color-Tuning Coordination Assemblies. Chem Rev 2018; 118:8889-8935. [DOI: 10.1021/acs.chemrev.8b00222] [Citation(s) in RCA: 352] [Impact Index Per Article: 58.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Mei Pan
- Ministry of Education (MOE) Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wei-Ming Liao
- Ministry of Education (MOE) Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Shao-Yun Yin
- Ministry of Education (MOE) Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Si-Si Sun
- Ministry of Education (MOE) Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Cheng-Yong Su
- Ministry of Education (MOE) Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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17
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Zhang H, Jiang J, Gao P, Yang T, Zhang KY, Chen Z, Liu S, Huang W, Zhao Q. Dual-Emissive Phosphorescent Polymer Probe for Accurate Temperature Sensing in Living Cells and Zebrafish Using Ratiometric and Phosphorescence Lifetime Imaging Microscopy. ACS APPLIED MATERIALS & INTERFACES 2018; 10:17542-17550. [PMID: 29733202 DOI: 10.1021/acsami.8b01565] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Temperature plays an important part in many biochemical processes. Accurate diagnosis and proper treatment usually depend on precise measurement of temperature. In this work, a dual-emissive phosphorescent polymer temperature probe, composed of iridium(III) complexes as temperature sensitive unit with phosphorescence lifetime of ∼500 ns and europium(III) complexes as reference unit with lifetime of ∼400 μs, has been rationally designed and synthesized. Upon the increase of the temperature, the luminescence intensity from the iridium(III) complexes is enhanced, while that from the europium(III) complexes remains unchanged, which makes it possible for the ratiometric detection of temperature. Furthermore, the polymer also displays a significant change in emission lifetime accompanied by the temperature variation. By utilizing the laser scanning confocal microscope and time-resolved luminescence imaging systems, ratiometric and time-resolved luminescence imaging in Hela cells and zebrafish have been carried out. Notably, the intensity ratio and long-lifetime-based imaging can offer higher sensitivity, decrease the detection limit, and minimize the background interference from biosamples.
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Affiliation(s)
- Huajie Zhang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts & Telecommunications , 9 Wenyuan Road , Nanjing 210023 , China
| | - Jiayang Jiang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts & Telecommunications , 9 Wenyuan Road , Nanjing 210023 , China
| | - Pengli Gao
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts & Telecommunications , 9 Wenyuan Road , Nanjing 210023 , China
| | - Tianshe Yang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts & Telecommunications , 9 Wenyuan Road , Nanjing 210023 , China
| | - Kenneth Yin Zhang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts & Telecommunications , 9 Wenyuan Road , Nanjing 210023 , China
| | - Zejing Chen
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts & Telecommunications , 9 Wenyuan Road , Nanjing 210023 , China
| | - Shujuan Liu
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts & Telecommunications , 9 Wenyuan Road , Nanjing 210023 , China
| | - Wei Huang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts & Telecommunications , 9 Wenyuan Road , Nanjing 210023 , China
- Shanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University (NPU) , Xi'an 710072 , China
| | - Qiang Zhao
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing University of Posts & Telecommunications , 9 Wenyuan Road , Nanjing 210023 , China
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18
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Zhang KY, Yu Q, Wei H, Liu S, Zhao Q, Huang W. Long-Lived Emissive Probes for Time-Resolved Photoluminescence Bioimaging and Biosensing. Chem Rev 2018; 118:1770-1839. [DOI: 10.1021/acs.chemrev.7b00425] [Citation(s) in RCA: 479] [Impact Index Per Article: 79.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Kenneth Yin Zhang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, P. R. China
| | - Qi Yu
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, P. R. China
| | - Huanjie Wei
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, P. R. China
| | - Shujuan Liu
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, P. R. China
| | - Qiang Zhao
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, P. R. China
| | - Wei Huang
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, P. R. China
- Shaanxi
Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), Xi’an 710072, P. R. China
- Key
Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced
Materials (IAM), Jiangsu National Synergetic Innovation Center for
Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), Nanjing 211800, P. R. China
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19
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Junquera-Hernández JM, Escobar J, Ortí E. Electronic nature of the emitting triplet in SF 5 -substituted cationic Ir(III) complexes. Polyhedron 2018. [DOI: 10.1016/j.poly.2017.10.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Lanthanide complex-derived white-light emitting solids: A survey on design strategies. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2017. [DOI: 10.1016/j.jphotochemrev.2017.11.001] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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21
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Stringer BD, Quan LM, Barnard PJ, Hogan CF. Electrochemically Sensitized Luminescence from Lanthanides in d‐/f‐Block Heteronuclear Arrays. CHEMPHOTOCHEM 2017. [DOI: 10.1002/cptc.201700172] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Bradley D. Stringer
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science La Trobe University Melbourne, Victoria 3086 Australia
| | - Linh M. Quan
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science La Trobe University Melbourne, Victoria 3086 Australia
| | - Peter J. Barnard
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science La Trobe University Melbourne, Victoria 3086 Australia
| | - Conor F. Hogan
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science La Trobe University Melbourne, Victoria 3086 Australia
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22
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Zubaidi ZN, Metherell AJ, Baggaley E, Ward MD. Ir(III) and Ir(III)/Re(I) complexes of a new bis(pyrazolyl-pyridine) bridging ligand containing a naphthalene-2,7-diyl spacer: Structural and photophysical properties. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.05.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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23
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Boddula R, Singh K, Giri S, Vaidyanathan S. Controlled Energy Transfer from a Ligand to an EuIII Ion: A Unique Strategy To Obtain Bright-White-Light Emission and Its Versatile Applications. Inorg Chem 2017; 56:10127-10130. [DOI: 10.1021/acs.inorgchem.7b01255] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rajamouli Boddula
- Department of Chemistry, National Institute of Technology, Rourkela, Odisha 769008, India
| | - Kasturi Singh
- Department of Chemistry, National Institute of Technology, Rourkela, Odisha 769008, India
| | - Santanab Giri
- Department of Chemistry, National Institute of Technology, Rourkela, Odisha 769008, India
| | - Sivakumar Vaidyanathan
- Department of Chemistry, National Institute of Technology, Rourkela, Odisha 769008, India
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24
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Kisel KS, Melnikov AS, Grachova EV, Hirva P, Tunik SP, Koshevoy IO. Linking Re I and Pt II Chromophores with Aminopyridines: A Simple Route to Achieve a Complicated Photophysical Behavior. Chemistry 2017. [PMID: 28636113 DOI: 10.1002/chem.201701539] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The bifunctional aminopyridine ligands H2 N-(CH2 )n -4-C5 H4 N (n=0, L1; 1, L2; 2, L3) have been utilized for the preparation of the rhenium complexes [Re(phen)(CO)3 (L1-L3)]+ (1-3; phen=phenanthroline). Complexes 2 and 3 with NH2 -coordinated L2 and L3, respectively, were coupled with cycloplatinated motifs {Pt(ppy)Cl} and {Pt(dpyb)}+ (ppy=2-phenylpyridine, dpyb=dipyridylbenzene) to give the bimetallic species [Re(phen)(CO)3 (μ-L2/L3)Pt(ppy)Cl]+ (4, 6) and [Re(phen)(CO)3 (μ-L2/L3)Pt(dpyb)]2+ (5, 7). In solution, complexes 4 and 6 show 3 MLCT {Re}-based emission at 298 K, which changes to the 3 IL(ppy) state at 77 K. The photophysical properties of compounds 5 and 7 display a pronounced concentration dependence, presumably due to the formation of bimolecular aggregates. Analysis of the spectroscopic data, combined with TD-DFT simulations, suggest that unconventional heteroleptic {Re(phen)}⋅⋅⋅{Pt(dpyb)} π-π stacking operates as the driving force for ground-state association. The latter, together with intra- and intermolecular energy-transfer processes, determines the appearance of multiple emission bands and results in nonlinear relaxation kinetics of the excited states.
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Affiliation(s)
- Kristina S Kisel
- Department of Chemistry, University of Eastern Finland, Yliopistokatu 7, Joensuu, Finland.,Institute of Chemistry, St.-Petersburg State University, 26 Universitetskiy pr., Petergof, St. Petersburg, Russia
| | - Alexei S Melnikov
- Peter the Great St.-Petersburg Polytechnic University, Polytechnicheskaya, 29, St. Petersburg, Russia
| | - Elena V Grachova
- Institute of Chemistry, St.-Petersburg State University, 26 Universitetskiy pr., Petergof, St. Petersburg, Russia
| | - Pipsa Hirva
- Department of Chemistry, University of Eastern Finland, Yliopistokatu 7, Joensuu, Finland
| | - Sergey P Tunik
- Institute of Chemistry, St.-Petersburg State University, 26 Universitetskiy pr., Petergof, St. Petersburg, Russia
| | - Igor O Koshevoy
- Department of Chemistry, University of Eastern Finland, Yliopistokatu 7, Joensuu, Finland
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25
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Ma D, Wang J, Qin L, Guo H, Li S, Huang M, Liu H, Wang Y, Xie R, Sakiyama H, Xu J. A New 2D Europium(III) Coordination Polymer Based on 4-Bromoisophthalate Ligand: Synthesis, X-ray Structure, Luminescent and Magnetic Properties. J Inorg Organomet Polym Mater 2017. [DOI: 10.1007/s10904-017-0611-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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26
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Groves LM, Schotten C, Beames J, Platts JA, Coles SJ, Horton PN, Browne DL, Pope SJA. From Ligand to Phosphor: Rapid, Machine-Assisted Synthesis of Substituted Iridium(III) Pyrazolate Complexes with Tuneable Luminescence. Chemistry 2017; 23:9407-9418. [DOI: 10.1002/chem.201701551] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Lara M. Groves
- School of Chemistry, Main Building, Park Place; Cardiff University; Cardiff CF10 3AT UK
| | - Christiane Schotten
- School of Chemistry, Main Building, Park Place; Cardiff University; Cardiff CF10 3AT UK
| | - Joseph Beames
- School of Chemistry, Main Building, Park Place; Cardiff University; Cardiff CF10 3AT UK
| | - James A. Platts
- School of Chemistry, Main Building, Park Place; Cardiff University; Cardiff CF10 3AT UK
| | - Simon J. Coles
- UK National Crystallographic Service, Chemistry; University of Southampton, Highfield; Southampton SO17 1BJ UK
| | - Peter N. Horton
- UK National Crystallographic Service, Chemistry; University of Southampton, Highfield; Southampton SO17 1BJ UK
| | - Duncan L. Browne
- School of Chemistry, Main Building, Park Place; Cardiff University; Cardiff CF10 3AT UK
| | - Simon J. A. Pope
- School of Chemistry, Main Building, Park Place; Cardiff University; Cardiff CF10 3AT UK
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27
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28
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Nano A, Gullo MP, Ventura B, Barbieri A, Armaroli N, Ziessel R. Color-Tunable Heterodinuclear Pt(II)/B(III) and Pt(II)/Ir(III) Arrays with N^O-julolidine Ligands. Inorg Chem 2017; 56:4807-4817. [DOI: 10.1021/acs.inorgchem.6b02728] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Adela Nano
- Institut de Chimie et Procédés pour l’Énergie, l’Environnement et la Santé (ICPEES), UMR 7515 au CNRS, Ecole Européenne de Chimie, Polymères et Matériaux (ECPM), 25 rue Becquerel, 67087 Strasbourg Cedex 02, France
| | - Maria Pia Gullo
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via P. Gobetti 101, 40129 Bologna, Italy
| | - Barbara Ventura
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via P. Gobetti 101, 40129 Bologna, Italy
| | - Andrea Barbieri
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via P. Gobetti 101, 40129 Bologna, Italy
| | - Nicola Armaroli
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via P. Gobetti 101, 40129 Bologna, Italy
| | - Raymond Ziessel
- Institut de Chimie et Procédés pour l’Énergie, l’Environnement et la Santé (ICPEES), UMR 7515 au CNRS, Ecole Européenne de Chimie, Polymères et Matériaux (ECPM), 25 rue Becquerel, 67087 Strasbourg Cedex 02, France
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29
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Pal AK, Cordes DB, Slawin AMZ, Momblona C, Ortí E, Samuel IDW, Bolink HJ, Zysman-Colman E. Synthesis, Properties, and Light-Emitting Electrochemical Cell (LEEC) Device Fabrication of Cationic Ir(III) Complexes Bearing Electron-Withdrawing Groups on the Cyclometallating Ligands. Inorg Chem 2016; 55:10361-10376. [PMID: 27681985 PMCID: PMC5080635 DOI: 10.1021/acs.inorgchem.6b01602] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Indexed: 11/28/2022]
Abstract
The structure-property relationship study of a series of cationic Ir(III) complexes in the form of [Ir(C^N)2(dtBubpy)]PF6 [where dtBubpy = 4,4'-di-tert-butyl-2,2'-bipyridine and C^N = cyclometallating ligand bearing an electron-withdrawing group (EWG) at C4 of the phenyl substituent, i.e., -CF3 (1), -OCF3 (2), -SCF3 (3), -SO2CF3 (4)] has been investigated. The physical and optoelectronic properties of the four complexes were comprehensively characterized, including by X-ray diffraction analysis. All the complexes exhibit quasireversible dtBubpy-based reductions from -1.29 to -1.34 V (vs SCE). The oxidation processes are likewise quasireversible (metal + C^N ligand) and are between 1.54 and 1.72 V (vs SCE). The relative oxidation potentials follow a general trend associated with the Hammett parameter (σ) of the EWGs. Surprisingly, complex 4 bearing the strongest EWG does not adhere to the expected Hammett behavior and was found to exhibit red-shifted absorption and emission maxima. Nevertheless, the concept of introducing EWGs was found to be generally useful in blue-shifting the emission maxima of the complexes (λem = 484-545 nm) compared to that of the prototype complex [Ir(ppy)2(dtBubpy)]PF6 (where ppy = 2-phenylpyridinato) (λem = 591 nm). The complexes were found to be bright emitters in solution at room temperature (ΦPL = 45-66%) with microsecond excited-state lifetimes (τe = 1.14-4.28 μs). The photophysical properties along with density functional theory (DFT) calculations suggest that the emission of these complexes originates from mixed contributions from ligand-centered (LC) transitions and mixed metal-to-ligand and ligand-to-ligand charge transfer (LLCT/MLCT) transitions, depending on the EWG. In complexes 1, 3, and 4 the 3LC character is prominent over the mixed 3CT character, while in complex 2, the mixed 3CT character is much more pronounced, as demonstrated by DFT calculations and the observed positive solvatochromism effect. Due to the quasireversible nature of the oxidation and reduction waves, fabrication of light-emitting electrochemical cells (LEECs) using these complexes as emitters was possible with the LEECs showing moderate efficiencies.
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Affiliation(s)
- Amlan K. Pal
- Organic Semiconductor Centre, EaStCHEM
School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, United Kingdom
| | - David B. Cordes
- EaStCHEM School of Chemistry, University
of St Andrews, St Andrews, Fife KY16 9ST, United Kingdom
| | - Alexandra M. Z. Slawin
- EaStCHEM School of Chemistry, University
of St Andrews, St Andrews, Fife KY16 9ST, United Kingdom
| | - Cristina Momblona
- Instituto de Ciencia Molecular, Universidad de Valencia, C/J. Beltran 2, 46980 Paterna, Spain
| | - Enrique Ortí
- Instituto de Ciencia Molecular, Universidad de Valencia, C/J. Beltran 2, 46980 Paterna, Spain
| | - Ifor D. W. Samuel
- Organic Semiconductor
Centre, SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, Fife KY16 9SS, United Kingdom
| | - Henk J. Bolink
- Instituto de Ciencia Molecular, Universidad de Valencia, C/J. Beltran 2, 46980 Paterna, Spain
| | - Eli Zysman-Colman
- Organic Semiconductor Centre, EaStCHEM
School of Chemistry, University of St Andrews, St Andrews, Fife KY16 9ST, United Kingdom
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30
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Song XQ, Cheng GQ, Liu YA. Enhanced Tb(III) luminescence by d10 transition metal coordination. Inorganica Chim Acta 2016. [DOI: 10.1016/j.ica.2016.06.028] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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31
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Pati AK, Gharpure SJ, Mishra AK. White Light Emission in Butadiyne Bridged Pyrene–Phenyl Hybrid Fluorophore: Understanding the Photophysical Importance of Diyne Spacer and Utilizing the Excited-State Photophysics for Vapor Detection. J Phys Chem A 2016; 120:5838-47. [DOI: 10.1021/acs.jpca.6b04956] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Avik Kumar Pati
- Department
of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
| | - Santosh J. Gharpure
- Department
of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Ashok K. Mishra
- Department
of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
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32
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33
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Jana A, Crowston BJ, Shewring JR, McKenzie LK, Bryant HE, Botchway SW, Ward AD, Amoroso AJ, Baggaley E, Ward MD. Heteronuclear Ir(III)-Ln(III) Luminescent Complexes: Small-Molecule Probes for Dual Modal Imaging and Oxygen Sensing. Inorg Chem 2016; 55:5623-33. [PMID: 27219675 DOI: 10.1021/acs.inorgchem.6b00702] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Luminescent, mixed metal d-f complexes have the potential to be used for dual (magnetic resonance imaging (MRI) and luminescence) in vivo imaging. Here, we present dinuclear and trinuclear d-f complexes, comprising a rigid framework linking a luminescent Ir center to one (Ir·Ln) or two (Ir·Ln2) lanthanide metal centers (where Ln = Eu(III) and Gd(III), respectively). A range of physical, spectroscopic, and imaging-based properties including relaxivity arising from the Gd(III) units and the occurrence of Ir(III) → Eu(III) photoinduced energy-transfer are presented. The rigidity imposed by the ligand facilitates high relaxivities for the Gd(III) complexes, while the luminescence from the Ir(III) and Eu(III) centers provide luminescence imaging capabilities. Dinuclear (Ir·Ln) complexes performed best in cellular studies, exhibiting good solubility in aqueous solutions, low toxicity after 4 and 18 h, respectively, and punctate lysosomal staining. We also demonstrate the first example of oxygen sensing in fixed cells using the dyad Ir·Gd, via two-photon phosphorescence lifetime imaging (PLIM).
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Affiliation(s)
- Atanu Jana
- Department of Chemistry, University of Sheffield , Sheffield, S3 7HF, United Kingdom
| | - Bethany J Crowston
- Department of Chemistry, University of Sheffield , Sheffield, S3 7HF, United Kingdom
| | - Jonathan R Shewring
- Department of Chemistry, University of Sheffield , Sheffield, S3 7HF, United Kingdom
| | - Luke K McKenzie
- Department of Chemistry, University of Sheffield , Sheffield, S3 7HF, United Kingdom.,Department of Oncology & Metabolism, University of Sheffield , Sheffield, S10 2RX, United Kingdom
| | - Helen E Bryant
- Department of Oncology & Metabolism, University of Sheffield , Sheffield, S10 2RX, United Kingdom
| | - Stanley W Botchway
- Rutherford Appleton Laboratory, STFC, Research Complex at Harwell, Harwell Science and Innovation Campus , Didcot, OX11 0FA, United Kingdom
| | - Andrew D Ward
- Rutherford Appleton Laboratory, STFC, Research Complex at Harwell, Harwell Science and Innovation Campus , Didcot, OX11 0FA, United Kingdom
| | - Angelo J Amoroso
- School of Chemistry, Cardiff University , Main Building, Park Place, Cardiff CF10 3AT, United Kingdom
| | - Elizabeth Baggaley
- Department of Chemistry, University of Sheffield , Sheffield, S3 7HF, United Kingdom
| | - Michael D Ward
- Department of Chemistry, University of Sheffield , Sheffield, S3 7HF, United Kingdom
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34
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Al-Bahri A, Al-Zakwani AS, Al-Farsi SM, Al-Rasbi NK. Synthesis, structure and tuneable white-light emission of dinuclear Eu(III),Tb(III)-mixed Schiff base complexes. ChemistrySelect 2016. [DOI: 10.1002/slct.201600262] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Amani Al-Bahri
- Dept. of Chemistry; Sultan Qaboos University; P.O. Box 36 Al-Khode 123 Oman,
| | - Amina S. Al-Zakwani
- Dept. of Chemistry; Sultan Qaboos University; P.O. Box 36 Al-Khode 123 Oman,
| | - Suhaib M. Al-Farsi
- Dept. of Chemistry; Sultan Qaboos University; P.O. Box 36 Al-Khode 123 Oman,
| | - Nawal K. Al-Rasbi
- Dept. of Chemistry; Sultan Qaboos University; P.O. Box 36 Al-Khode 123 Oman,
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35
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Li GN, Gao CW, Xie H, Chen HH, Liu D, Sun W, Chen GY, Niu ZG. New luminescent cyclometalated iridium(III) complexes containing fluorinated phenylisoquinoline-based ligands: Synthesis, structures, photophysical properties and DFT calculations. CHINESE CHEM LETT 2016. [DOI: 10.1016/j.cclet.2015.12.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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36
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Saad ST, Metherell AJ, Baggaley E, Ward MD. Synthesis and photophysical properties of Ir(iii)/Re(i) dyads: control of Ir→Re photoinduced energy transfer. Dalton Trans 2016; 45:11568-79. [DOI: 10.1039/c6dt01614f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The extent of Ir→Re photoinduced energy transfer in Ir(iii)/Re(i) dyads can be controlled using a solvent-sensitive conformationally flexible bridging ligand.
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Affiliation(s)
- Suad T. Saad
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
- College of Sciences WSCI
| | | | | | - Michael D. Ward
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
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37
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Rong J, Zhang W, Bai J. Highly thermostable lanthanide(iii) MOFs constructed from 4,4′,4′′-s-triazine-2,4,6-triyl-tribenzoate ligand: synthesis, structure, and tunable white-light emission. CrystEngComm 2016. [DOI: 10.1039/c6ce01585a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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38
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Du BB, Zhu YX, Pan M, Yue MQ, Hou YJ, Wu K, Zhang LY, Chen L, Yin SY, Fan YN, Su CY. Direct white-light and a dual-channel barcode module from Pr(III)-MOF crystals. Chem Commun (Camb) 2015; 51:12533-6. [PMID: 26152399 DOI: 10.1039/c5cc04468e] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Direct white-light emission and further a dual-channel readable barcode module in both visible and NIR region was established by single-component homo-metallic Pr(iii)-MOF crystals for the first time.
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Affiliation(s)
- Bin-Bin Du
- MOE Laboratory of Bioinorganic and Synthetic Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, Lehn Institute of Functional Materials, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China.
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39
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Shavaleev NM, Eliseeva SV, Scopelliti R, Bünzli JCG. Influence of Symmetry on the Luminescence and Radiative Lifetime of Nine-Coordinate Europium Complexes. Inorg Chem 2015; 54:9166-73. [DOI: 10.1021/acs.inorgchem.5b01580] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nail M. Shavaleev
- École Polytechnique Fédérale de
Lausanne, Institut des Sciences et Ingénierie Chimiques, Avenue Forel
2, BCH, CH-1015 Lausanne, Switzerland
| | - Svetlana V. Eliseeva
- École Polytechnique Fédérale de
Lausanne, Institut des Sciences et Ingénierie Chimiques, Avenue Forel
2, BCH, CH-1015 Lausanne, Switzerland
| | - Rosario Scopelliti
- École Polytechnique Fédérale de
Lausanne, Institut des Sciences et Ingénierie Chimiques, Avenue Forel
2, BCH, CH-1015 Lausanne, Switzerland
| | - Jean-Claude G. Bünzli
- École Polytechnique Fédérale de
Lausanne, Institut des Sciences et Ingénierie Chimiques, Avenue Forel
2, BCH, CH-1015 Lausanne, Switzerland
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40
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Shavaleev NM, Xie G, Varghese S, Cordes DB, Slawin AMZ, Momblona C, Ortí E, Bolink HJ, Samuel IDW, Zysman-Colman E. Green Phosphorescence and Electroluminescence of Sulfur Pentafluoride-Functionalized Cationic Iridium(III) Complexes. Inorg Chem 2015; 54:5907-14. [DOI: 10.1021/acs.inorgchem.5b00717] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Nail M. Shavaleev
- Organic Semiconductor
Centre, EaStCHEM School of Chemistry, University of St. Andrews, St. Andrews, Fife, KY16 9ST, United Kingdom
| | - Guohua Xie
- Organic Semiconductor Centre, SUPA School
of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY16 9SS, United Kingdom
| | - Shinto Varghese
- Organic Semiconductor Centre, SUPA School
of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY16 9SS, United Kingdom
| | - David B. Cordes
- EaStCHEM School of Chemistry, University of St. Andrews, St. Andrews, Fife, KY16 9ST, United Kingdom
| | - Alexandra M. Z. Slawin
- EaStCHEM School of Chemistry, University of St. Andrews, St. Andrews, Fife, KY16 9ST, United Kingdom
| | - Cristina Momblona
- Instituto
de Ciencia Molecular, Universidad de Valencia, C/J. Beltran 2, 46980 Paterna, Spain
| | - Enrique Ortí
- Instituto
de Ciencia Molecular, Universidad de Valencia, C/J. Beltran 2, 46980 Paterna, Spain
| | - Henk J. Bolink
- Instituto
de Ciencia Molecular, Universidad de Valencia, C/J. Beltran 2, 46980 Paterna, Spain
| | - Ifor D. W. Samuel
- Organic Semiconductor Centre, SUPA School
of Physics and Astronomy, University of St. Andrews, North Haugh, St. Andrews, Fife, KY16 9SS, United Kingdom
| | - Eli Zysman-Colman
- Organic Semiconductor
Centre, EaStCHEM School of Chemistry, University of St. Andrews, St. Andrews, Fife, KY16 9ST, United Kingdom
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41
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Nano A, Gullo MP, Ventura B, Armaroli N, Barbieri A, Ziessel R. Panchromatic luminescence from julolidine dyes exhibiting excited state intramolecular proton transfer. Chem Commun (Camb) 2015; 51:3351-4. [DOI: 10.1039/c4cc09832c] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The panchromatic emission from julolidine dyes modified for ESIPT is modulated by the substituent on the phenyl ring (R = I, CCH).
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Affiliation(s)
- Adela Nano
- Laboratoire de Chimie Moléculaire et Spectroscopies Avancées (ICPEES-LCOSA)
- UMR 7515
- 67087 Strasbourg Cedex 02
- France
| | - Maria Pia Gullo
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF)
- Consiglio Nazionale delle Ricerche (CNR)
- 40129 Bologna BO
- Italy
| | - Barbara Ventura
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF)
- Consiglio Nazionale delle Ricerche (CNR)
- 40129 Bologna BO
- Italy
| | - Nicola Armaroli
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF)
- Consiglio Nazionale delle Ricerche (CNR)
- 40129 Bologna BO
- Italy
| | - Andrea Barbieri
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF)
- Consiglio Nazionale delle Ricerche (CNR)
- 40129 Bologna BO
- Italy
| | - Raymond Ziessel
- Laboratoire de Chimie Moléculaire et Spectroscopies Avancées (ICPEES-LCOSA)
- UMR 7515
- 67087 Strasbourg Cedex 02
- France
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42
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Baschieri A, Muzzioli S, Matteucci E, Stagni S, Massi M, Sambri L. New heterometallic Ir(iii)2–Eu(iii) complexes: white light emission from a single molecule. Dalton Trans 2015; 44:37-40. [DOI: 10.1039/c4dt01910e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Pure white light emission from a single-molecule Ir2(iii)–Eu(iii) complex can be achieved with appropriate ligands.
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Affiliation(s)
- Andrea Baschieri
- Department of Industrial Chemistry “Toso Montanari”
- University of Bologna
- 40136 Bologna
- Italy
| | - Sara Muzzioli
- Department of Industrial Chemistry “Toso Montanari”
- University of Bologna
- 40136 Bologna
- Italy
| | - Elia Matteucci
- Department of Industrial Chemistry “Toso Montanari”
- University of Bologna
- 40136 Bologna
- Italy
| | - Stefano Stagni
- Department of Industrial Chemistry “Toso Montanari”
- University of Bologna
- 40136 Bologna
- Italy
| | - Massimiliano Massi
- Nanochemistry Research Institute
- Department of Chemistry
- Curtin University
- Western Australia
- Australia
| | - Letizia Sambri
- Department of Industrial Chemistry “Toso Montanari”
- University of Bologna
- 40136 Bologna
- Italy
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43
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Gao B, Zhao D, Li X, Cui Y, Duan R, Pang X. Magnesium complexes bearing N,N-bidentate phenanthrene derivatives for the stereoselective ring-opening polymerization of rac-lactides. RSC Adv 2015. [DOI: 10.1039/c4ra12548g] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Magnesium complexes based on N,N-bidentate phenanthrene derivatives derived from Schiff bases were synthesized and investigated as catalysts for rac-lactide polymerization.
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Affiliation(s)
- Bo Gao
- School of Materials Science and Engineering
- Changchun University of Science and Technology
- Changchun 130022
- China
- Key Laboratory of Polymer Ecomaterials
| | - Dehai Zhao
- School of Materials Science and Engineering
- Changchun University of Science and Technology
- Changchun 130022
- China
- Key Laboratory of Polymer Ecomaterials
| | - Xiang Li
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Yuan Cui
- School of Materials Science and Engineering
- Changchun University of Science and Technology
- Changchun 130022
- China
- Key Laboratory of Polymer Ecomaterials
| | - Ranlong Duan
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
| | - Xuan Pang
- Key Laboratory of Polymer Ecomaterials
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- China
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44
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Jana A, Baggaley E, Amoroso A, Ward MD. A new ligand skeleton for imaging applications with d–f complexes: combined lifetime imaging and high relaxivity in an Ir/Gd dyad. Chem Commun (Camb) 2015; 51:8833-6. [DOI: 10.1039/c5cc02130h] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The rigid dinuclear complexes Ir·Ln (Ln = Eu, Gd) show potential for use in dual magnetic resonance + time-resolved luminescence imaging (Ir·Gd) and d → f energy-transfer (Ir·Eu).
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Affiliation(s)
- Atanu Jana
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
| | | | | | - Michael D. Ward
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
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45
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Stokes EC, Langdon-Jones EE, Groves LM, Platts JA, Horton PN, Fallis IA, Coles SJ, Pope SJA. Cationic, luminescent cyclometalated iridium(iii) complexes based on substituted 2-phenylthiazole ligands. Dalton Trans 2015; 44:8488-96. [DOI: 10.1039/c4dt03054k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ten cationic heteroleptic iridium(iii) complexes involving substituted phenylthiazole ligands reveal phosphorescence emission in solution.
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Affiliation(s)
- Emily C. Stokes
- School of Chemistry
- Main Building
- Cardiff University
- Cardiff CF10 3AT
- UK
| | | | - Lara M. Groves
- School of Chemistry
- Main Building
- Cardiff University
- Cardiff CF10 3AT
- UK
| | - James A. Platts
- School of Chemistry
- Main Building
- Cardiff University
- Cardiff CF10 3AT
- UK
| | - Peter N. Horton
- UK National Crystallographic Service
- Chemistry
- Faculty of Natural and Environmental Sciences
- University of Southampton
- England
| | - Ian A. Fallis
- School of Chemistry
- Main Building
- Cardiff University
- Cardiff CF10 3AT
- UK
| | - Simon J. Coles
- UK National Crystallographic Service
- Chemistry
- Faculty of Natural and Environmental Sciences
- University of Southampton
- England
| | - Simon J. A. Pope
- School of Chemistry
- Main Building
- Cardiff University
- Cardiff CF10 3AT
- UK
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46
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Sykes D, Cankut AJ, Ali NM, Stephenson A, Spall SJP, Parker SC, Weinstein JA, Ward MD. Sensitisation of Eu(III)- and Tb(III)-based luminescence by Ir(III) units in Ir/lanthanide dyads: evidence for parallel energy-transfer and electron-transfer based mechanisms. Dalton Trans 2014; 43:6414-28. [PMID: 24608523 DOI: 10.1039/c4dt00292j] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A series of blue-luminescent Ir(III) complexes with a pendant binding site for lanthanide(III) ions has been synthesized and used to prepare Ir(III)/Ln(III) dyads (Ln = Eu, Tb, Gd). Photophysical studies were used to establish mechanisms of Ir→Ln (Ln = Tb, Eu) energy-transfer. In the Ir/Gd dyads, where direct Ir→Gd energy-transfer is not possible, significant quenching of Ir-based luminescence nonetheless occurred; this can be ascribed to photoinduced electron-transfer from the photo-excited Ir unit (*Ir, (3)MLCT/(3)LC excited state) to the pendant pyrazolyl-pyridine site which becomes a good electron-acceptor when coordinated to an electropositive Gd(III) centre. This electron transfer quenches the Ir-based luminescence, leading to formation of a charge-separated {Ir(4+)}˙-(pyrazolyl-pyridine)˙(-) state, which is short-lived possibly due to fast back electron-transfer (<20 ns). In the Ir/Tb and Ir/Eu dyads this electron-transfer pathway is again operative and leads to sensitisation of Eu-based and Tb-based emission using the energy liberated from the back electron-transfer process. In addition direct Dexter-type Ir→Ln (Ln = Tb, Eu) energy-transfer occurs on a similar timescale, meaning that there are two parallel mechanisms by which excitation energy can be transferred from *Ir to the Eu/Tb centre. Time-resolved luminescence measurements on the sensitised Eu-based emission showed both fast and slow rise-time components, associated with the PET-based and Dexter-based energy-transfer mechanisms respectively. In the Ir/Tb dyads, the Ir→Tb energy-transfer is only just thermodynamically favourable, leading to rapid Tb→Ir thermally-activated back energy-transfer and non-radiative deactivation to an extent that depends on the precise energy gap between the *Ir and Tb-based (5)D4 states. Thus, the sensitised Tb(iii)-based emission is weak and unusually short-lived due to back energy transfer, but nonetheless represents rare examples of Tb(III) sensitisation by a energy donor that could be excited using visible light as opposed to the usually required UV excitation.
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Affiliation(s)
- Daniel Sykes
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, UK.
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47
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Zheng ZP, Ou YJ, Hong XJ, Wei LM, Wan LT, Zhou WH, Zhan QG, Cai YP. Anion-Dependent Assembly of Four Sensitized Near-Infrared Luminescent Heteronuclear ZnII–YbIII Schiff Base Complexes from a Trinuclear ZnII Complex. Inorg Chem 2014; 53:9625-32. [DOI: 10.1021/ic501118b] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Zhi-Peng Zheng
- Guangzhou Key Laboratory of Materials for
Energy Conversion and Storage, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P.R. China
| | - Yan-Jun Ou
- Guangzhou Key Laboratory of Materials for
Energy Conversion and Storage, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P.R. China
| | - Xu-Jia Hong
- Guangzhou Key Laboratory of Materials for
Energy Conversion and Storage, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P.R. China
- State Key Laboratory of Structure ChemistryFujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P.R. China
| | - Lei-Ming Wei
- Guangzhou Key Laboratory of Materials for
Energy Conversion and Storage, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P.R. China
| | - Lin-Tao Wan
- Guangzhou Key Laboratory of Materials for
Energy Conversion and Storage, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P.R. China
| | - Wo-Hua Zhou
- Guangzhou Key Laboratory of Materials for
Energy Conversion and Storage, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P.R. China
| | - Qing-Guang Zhan
- Guangzhou Key Laboratory of Materials for
Energy Conversion and Storage, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, P.R. China
| | - Yue-Peng Cai
- State Key Laboratory of Structure ChemistryFujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P.R. China
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48
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49
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Baggaley E, Cao DK, Sykes D, Botchway SW, Weinstein JA, Ward MD. Combined two-photon excitation and d→f energy transfer in a water-soluble Ir(III)/Eu(III) dyad: two luminescence components from one molecule for cellular imaging. Chemistry 2014; 20:8898-903. [PMID: 24930403 PMCID: PMC4145666 DOI: 10.1002/chem.201403618] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Indexed: 11/18/2022]
Abstract
The first example of cell imaging using two independent emission components from a dinuclear d/f complex is reported. A water-stable, cell-permeable Ir(III) /Eu(III) dyad undergoes partial Ir→Eu energy transfer following two-photon excitation of the Ir unit at 780 nm. Excitation in the near-IR region generated simultaneously green Ir-based emission and red Eu-based emission from the same probe. The orders-of-magnitude difference in their timescales (Ir ca. μs; Eu ca. 0.5 ms) allowed them to be identified by time-gated detection. Phosphorescence lifetime imaging microscopy (PLIM) allowed the lifetime of the Ir-based emission to be measured in different parts of the cell. At the same time, the cells are simultaneously imaged by using the Eu-based emission component at longer timescales. This new approach to cellular imaging by using dual d/f emitters should therefore enable autofluorescence-free sensing of two different analytes, independently, simultaneously and in the same regions of a cell.
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Affiliation(s)
| | - Deng-Ke Cao
- Department of Chemistry, University of SheffieldSheffield S3 7HF (UK)
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing UniversityNanjing 210093 (P.R. China)
| | - Daniel Sykes
- Department of Chemistry, University of SheffieldSheffield S3 7HF (UK)
| | - Stanley W Botchway
- Rutherford Appleton Laboratory, STFC, Research Complex at Harwell, Harwell Science and Innovation CampusDidcot OX11 0FA (UK)
| | - Julia A Weinstein
- Department of Chemistry, University of SheffieldSheffield S3 7HF (UK)
| | - Michael D Ward
- Department of Chemistry, University of SheffieldSheffield S3 7HF (UK)
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50
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Wu Y, Shi M, Zhao L, Feng W, Li F, Huang C. Visible-light-excited and europium-emissive nanoparticles for highly-luminescent bioimaging in vivo. Biomaterials 2014; 35:5830-9. [DOI: 10.1016/j.biomaterials.2014.03.080] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Accepted: 03/27/2014] [Indexed: 11/28/2022]
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