1
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Yao X, Fan L, Zhang Q, Zheng C, Yang X, Lu Y, Jiang Y. Impact of Anchoring Groups on the Photocatalytic Performance of Iridium(III) Complexes and Their Toxicological Analysis. Molecules 2024; 29:2564. [PMID: 38893440 PMCID: PMC11173709 DOI: 10.3390/molecules29112564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/20/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Three different iridium(III) complexes, labelled as Ir1-Ir3, each bearing a unique anchoring moiety (diethyl [2,2'-bipyridine]-4,4'-dicarboxylate, tetraethyl [2,2'-bipyridine]-4,4'-diylbis(phosphonate), or [2,2'-biquinoline]-4,4'-dicarboxylic acid), were synthesized to serve as photosensitizers. Their electrochemical and photophysical characteristics were systematically investigated. ERP measurements were employed to elucidate the impact of the anchoring groups on the photocatalytic hydrogen generation performance of the complexes. The novel iridium(III) complexes were integrated with platinized TiO2 (Pt-TiO2) nanoparticles and tested for their ability to catalyze hydrogen production under visible light. A H2 turnover number (TON) of up to 3670 was obtained upon irradiation for 120 h. The complexes with tetraethyl [2,2'-bipyridine]-4,4'-diylbis(phosphonate) anchoring groups were found to outperform those bearing other moieties, which may be one of the important steps in the development of high-efficiency iridium(III) photosensitizers for hydrogen generation by water splitting. Additionally, toxicological analyses found no significant difference in the toxicity to luminescent bacteria of any of the present iridium(III) complexes compared with that of TiO2, which implies that the complexes investigated in this study do not pose a high risk to the aquatic environment compared to TiO2.
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Affiliation(s)
- Xiao Yao
- School of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China
| | - Linyu Fan
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
- PolyU Shenzhen Research Institute, Shenzhen 518057, China
| | - Qian Zhang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
- PolyU Shenzhen Research Institute, Shenzhen 518057, China
| | - Chaoqun Zheng
- School of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China
| | - Xue Yang
- School of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China
| | - Yisang Lu
- School of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China
| | - Yachen Jiang
- School of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China
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2
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Fitzgerald SA, Payce EN, Horton PN, Coles SJ, Pope SJA. 2-(Thienyl)quinoxaline derivatives and their application in Ir(III) complexes yielding tuneable deep red emitters. Dalton Trans 2023; 52:16480-16491. [PMID: 37874197 DOI: 10.1039/d3dt02193a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
The synthesis and characterisation of eleven different 2-(thienyl)quinoxaline species that incorporate different points of functionality, including at the thiophene or quinoxaline rings, are described. These species display variable fluorescence properties in the visible region (λem = 401-491 nm) depending upon the molecular structures and extent of conjugation. The series of 2-(thienyl)quinoxaline species were then investigated as cyclometalating agents for Ir(III) to yield [Ir(C^N)2(bipy)]PF6 (where C^N = the cyclometalated ligand; bipy = 2,2'-bipyridine). Eight complexes were successfully isolated and fully characterised by an array of spectroscopic and analytical techniques. Two Ir(III) examples were structurally characterised in the solid state using single crystal X-ray diffraction; both structures confirmed the proposed formulations and coordination spheres in each case showing that the thiophene coordinates via a Ir-C bond. The photophysical properties of the complexes revealed that each complex is luminescent under ambient conditions with a range of emission wavelengths observed (665-751 nm) indicating that electronic tuning can be achieved via both the thienyl and quinoxaline moieties.
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Affiliation(s)
- Sophie A Fitzgerald
- School of Chemistry, Main Building, Cardiff University, Cardiff CF10 3AT, UK.
| | - Ellie N Payce
- School of Chemistry, Main Building, Cardiff University, Cardiff CF10 3AT, UK.
| | - Peter N Horton
- UK National Crystallographic Service, Chemistry, University of Southampton, Highfield, Southampton, SO17 1BJ, UK
| | - Simon J Coles
- UK National Crystallographic Service, Chemistry, University of Southampton, Highfield, Southampton, SO17 1BJ, UK
| | - Simon J A Pope
- School of Chemistry, Main Building, Cardiff University, Cardiff CF10 3AT, UK.
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3
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Greenberg M, Tulloch KM, Reynoso ME, Knapp JL, Sayem FH, Bartkus DD, Lum RH, LaFratta CN, Tanski JM, Anderson CM. Synthesis, Structure, and Photophysical Properties of Platinum Compounds with Thiophene-Derived Cyclohexyl Diimine Ligands. ACS OMEGA 2023; 8:38587-38596. [PMID: 37867690 PMCID: PMC10586441 DOI: 10.1021/acsomega.3c05567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 09/21/2023] [Indexed: 10/24/2023]
Abstract
Platinum(II) and platinum(IV) compounds were prepared by the stereoselective and regioselective reactions of thiophene-derived cyclohexyl diimine C^N^N-ligands with [Pt2Me4(μ-SMe2)2]. Newly synthesized ligands were characterized by NMR spectroscopy and elemental analysis, and Pt(II)/Pt(IV) compounds were characterized by NMR spectroscopy, elemental analysis, high-resolution mass spectrometry, and single-crystal X-ray diffraction. UV-vis absorbance and photoluminescence measurements were performed on newly synthesized complexes, as well as structurally related Pt(II)/Pt(IV) compounds with benzene-derived cyclohexyl diimine ligands, in dichloromethane solution, as solids, and as 5% by weight PMMA-doped films. DFT and TD-DFT calculations were performed, and the results were compared with the observed spectroscopic properties of the newly synthesized complexes. X-ray total scattering measurements and real space pair distribution function analysis were performed on the synthesized complexes to examine the local- and intermediate-range atomic structures of the emissive solid states.
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Affiliation(s)
- Matthew
W. Greenberg
- Department
of Chemistry & Biochemistry, Bard College, 30 Campus Road,Annandale-on-Hudson, New York 12504, United States
| | - Kris M. Tulloch
- Department
of Chemistry & Biochemistry, Bard College, 30 Campus Road,Annandale-on-Hudson, New York 12504, United States
| | - Michelle E. Reynoso
- Department
of Chemistry & Biochemistry, Bard College, 30 Campus Road,Annandale-on-Hudson, New York 12504, United States
| | - Juliette L. Knapp
- Department
of Chemistry & Biochemistry, Bard College, 30 Campus Road,Annandale-on-Hudson, New York 12504, United States
| | - Farman H. Sayem
- Department
of Chemistry & Biochemistry, Bard College, 30 Campus Road,Annandale-on-Hudson, New York 12504, United States
| | - Daphne D. Bartkus
- Department
of Chemistry & Biochemistry, Bard College, 30 Campus Road,Annandale-on-Hudson, New York 12504, United States
| | - Ryan H. Lum
- Department
of Chemistry & Biochemistry, Bard College, 30 Campus Road,Annandale-on-Hudson, New York 12504, United States
| | - Christopher N. LaFratta
- Department
of Chemistry & Biochemistry, Bard College, 30 Campus Road,Annandale-on-Hudson, New York 12504, United States
| | - Joseph M. Tanski
- Department
of Chemistry, Vassar College, Poughkeepsie, New York 12604, United States
| | - Craig M. Anderson
- Department
of Chemistry & Biochemistry, Bard College, 30 Campus Road,Annandale-on-Hudson, New York 12504, United States
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4
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Qin L, Xin X, Wang R, Lv H, Yang GY. Rational Design of Bromine-Modified Ir(III) Photosensitizer for Photocatalytic Hydrogen Generation. J Catal 2022. [DOI: 10.1016/j.jcat.2022.11.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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5
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Dong J, Ding Y, Zhou Y. Synthesis and comparison study of electrochemiluminescence from mononuclear and corresponding heterodinuclear Ir-Ru complexes via an amide bond as a bridge. Dalton Trans 2022; 51:15031-15039. [PMID: 36112029 DOI: 10.1039/d2dt02524h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A mononuclear iridium-based complex with a primary amine group (named Ir-NH2), a mononuclear ruthenium-based complex with a butanoic acid group (named Ru-COOH) and the corresponding heterodinuclear complex containing an iridium and ruthenium center via an amide bond bridge (named Ir-Ru) were designed and successfully synthesized in this study. The photophysical and electrochemical properties and ECL performances of these three metal complexes under various experimental conditions were well characterized. For the first time, the insights from this comprehensive comparison study indicate that the two metal-based subunits with comparable luminescent properties are significant in the design of bimetallic-based multicolor luminophores at the molecular level, which helps us to further understand the emission performances of bimetallic complexes and to rationally design more efficient corresponding organometallic luminophores with multicolor emission for wide applications in the future.
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Affiliation(s)
- Jianhua Dong
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou, 215009, China.
| | - Yangming Ding
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou, 215009, China.
| | - Yuyang Zhou
- School of Chemistry and Life Sciences, Suzhou University of Science and Technology, Suzhou, 215009, China.
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6
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Yiu SC, Ho PY, Kwok YY, He X, Wang Y, Yu WH, Ho CL, Huang S. Development of Strong Visible-Light-Absorbing Cyclometalated Iridium(III) Complexes for Robust and Efficient Light-Driven Hydrogen Production. Chemistry 2022; 28:e202104575. [PMID: 35170133 DOI: 10.1002/chem.202104575] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Indexed: 12/12/2022]
Abstract
Weak light absorption of common Ir(III) complexes (e. g., using phenylpyridine as the ligand) has hindered their applications in photocatalytic hydrogen generation from water as an efficient photosensitizer. To address this issue, a series of cyclometalated Ir(III) complexes (Ir1-Ir5), featuring different electron-donating substituents to enhance the absorptivity, have been synthesized and studied as photosensitizers (PSs) for light-driven hydrogen production from water. Ir6-Ir7 were prepared as fundamental systems for comparisons. Electron donors, including 9-phenylcarbazole, triphenylamine, 4,4'-dimethoxytriphenylamine, 4,4'-di(N-hexylcarbazole)triphenylamine moieties were introduced on 6-(thiophen-2-yl)phenanthridine-based cyclometalating (C^N) ligands to explore the donor effect on the hydrogen evolution performance of these cationic Ir(III) complexes. Remarkably, Ir4 with 4,4'-dimethoxytriphenylamine achieved the highest turn-over number (TON) of 12 300 and initial turnover frequency (TOFi ) of 394 h-1 , with initial activity (activityi ) of 547 000 μmol g-1 h-1 and initial apparent quantum yield (AQYi ) of 9.59 %, under the illumination of blue light-emitting diodes (LEDs) for 105 hours, which demonstrated a stable three-component photocatalytic system with high efficiency. The TON (based on n(H2 )/n(PSr)) in this study is the highest value reported to date among the similar photocatalytic systems using Ir(III) complexes with Pt nanoparticles as catalyst. The great potential of using triphenylamine-based Ir(III) PSs in boosting photocatalytic performance has also been shown.
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Affiliation(s)
- Sze-Chun Yiu
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University Hung Hom, Hong Kong, P. R. China.,PolyU Shenzhen Research Institute, Shenzhen, P. R. China.,Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon Tong, Hong Kong, P. R. China
| | - Po-Yu Ho
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University Hung Hom, Hong Kong, P. R. China.,PolyU Shenzhen Research Institute, Shenzhen, P. R. China.,Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon Tong, Hong Kong, P. R. China.,Biological Inorganic Chemistry Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, United Kingdom.,Department of Chemistry, King's College London Britannia House, 7 Trinity Street, London, SE1 1DB, United Kingdom
| | - Yan-Yi Kwok
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University Hung Hom, Hong Kong, P. R. China.,PolyU Shenzhen Research Institute, Shenzhen, P. R. China
| | - Xiaojie He
- College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, P. R. China
| | - Yi Wang
- Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon Tong, Hong Kong, P. R. China
| | - Wai-Hong Yu
- Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon Tong, Hong Kong, 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.,PolyU Shenzhen Research Institute, Shenzhen, P. R. China.,Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon Tong, Hong Kong, P. R. China
| | - Shuping Huang
- College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350108, P. R. China
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7
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Altinolcek N, Battal A, Tavasli M, Cameron J, Peveler WJ, Yu HA, Skabara PJ, Fairbairn NJ, Hedley GJ. A red-orange carbazole-based iridium(III) complex: Synthesis, thermal, optical and electrochemical properties and OLED application. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.122004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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8
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Bevernaegie R, Wehlin SAM, Elias B, Troian‐Gautier L. A Roadmap Towards Visible Light Mediated Electron Transfer Chemistry with Iridium(III) Complexes. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202000255] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Robin Bevernaegie
- Laboratoire de Chimie Organique CP160/06 Université libre de Bruxelles 50 avenue F. R. Roosevelt 1050 Brussels Belgium
- Institut de la Matière Condensée et des Nanosciences (IMCN) Molecular Chemistry, Materials and Catalysis (MOST) Université catholique de Louvain (UCLouvain) Place Louis Pasteur 1 box L4.01.02 1348 Louvain-la-Neuve Belgium
| | - Sara A. M. Wehlin
- Laboratoire de Chimie Organique CP160/06 Université libre de Bruxelles 50 avenue F. R. Roosevelt 1050 Brussels Belgium
| | - Benjamin Elias
- Institut de la Matière Condensée et des Nanosciences (IMCN) Molecular Chemistry, Materials and Catalysis (MOST) Université catholique de Louvain (UCLouvain) Place Louis Pasteur 1 box L4.01.02 1348 Louvain-la-Neuve Belgium
| | - Ludovic Troian‐Gautier
- Laboratoire de Chimie Organique CP160/06 Université libre de Bruxelles 50 avenue F. R. Roosevelt 1050 Brussels Belgium
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9
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Wang D, Chen X, Yang H, Zhong D, Liu B, Yang X, Yue L, Zhou G, Ma M, Wu Z. The synthesis of cyclometalated platinum(II) complexes with benzoaryl-pyridines as C^N ligands for investigating their photophysical, electrochemical and electroluminescent properties. Dalton Trans 2020; 49:15633-15645. [PMID: 33057516 DOI: 10.1039/d0dt02224a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A series of (C^N)Pt(acac)-type complexes has been successfully synthesized with a benzo[b]furan, benzo[b]thiophene, benzo[b]selenophene, or benzo[b]tellurophene group in the benzoaryl-pyridine ligand. Using X-ray crystallography, the chemical structures of the complexes with benzo[b]selenophene and benzo[b]tellurophene groups have been clearly revealed. The photophysical, electrochemical, and electroluminescent (EL) behaviors of these (C^N)Pt(acac)-type complexes have been fully characterized. Furthermore, both time-dependent functional theory (TD-DFT) and natural transition orbital (NTO) theoretical results have been obtained to gain insight into the absorption and emission features. It has been shown that both the absorption bands with the lowest energy and the phosphorescence emission behaviors are dominated by the benzoaryl-pyridine cyclometalating ligand. Importantly, the effects of the group VIA atoms on the properties of these (C^N)Pt(acac)-type complexes have been revealed. Owing to the rareness of (C^N)Pt(acac)-type complexes with benzo[b]selenophene and benzo[b]tellurophene groups, their EL abilities have been characterized using solution-processed organic light-emitting diodes (OLEDs). The optimized red OLEDs with the complex bearing a benzo[b]selenophene unit show a maximum external quantum efficiency (ηext) of 6.3%, current efficiency (ηL) of 10.5 cd A-1, and power efficiency (ηP) of 9.1 lm W-1, while the EL device with the complex bearing a benzo[b]tellurophene unit can give deep-red emission at ca. 636 nm with ηext of 6.3%, ηL of 6.5 cd A-1, and ηP of 5.8 lm W-1. This research not only provides novel (C^N)Pt(acac)-type complexes, but also furnishes critical information regarding the photophysical and EL behavior of these new complexes.
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Affiliation(s)
- Dezhi Wang
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, P. R. China. and Department of Applied Chemistry, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, P. R. China.
| | - Xi Chen
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
| | - Hua Yang
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
| | - Daokun Zhong
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
| | - Boao Liu
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
| | - Xiaolong Yang
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
| | - Ling Yue
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
| | - Guijiang Zhou
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
| | - Miaofeng Ma
- Department of Applied Chemistry, College of Chemistry & Pharmacy, Northwest A&F University, Yangling 712100, P. R. China.
| | - Zhaoxin Wu
- Key Laboratory for Physical Electronics and Devices of the Ministry of Education, Faculty of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
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10
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Shen Y, Li X, Ye J, Qiu Y. A DFT study on second-order NLO properties of bis-cyclometalated Iridium(III) complexes with chelating dicarbene auxiliary ligands. COMPUT THEOR CHEM 2019. [DOI: 10.1016/j.comptc.2019.112535] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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11
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Feng Z, Wang D, Yang X, Jin D, Zhong D, Liu B, Zhou G, Ma M, Wu Z. Asymmetric Heteroleptic Ir(III) Phosphorescent Complexes with Aromatic Selenide and Selenophene Groups: Synthesis and Photophysical, Electrochemical, and Electrophosphorescent Behaviors. Inorg Chem 2018; 57:11027-11043. [PMID: 30129751 DOI: 10.1021/acs.inorgchem.8b01639] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
With the aim of evaluating the potential of selenium-containing groups in developing electroluminescent (EL) materials, a series of asymmetric heteroleptic Ir(III) phosphorescent complexes (Ir-Se0F, Ir-Se1F, Ir-Se2F, and Ir-Se3F) have been synthesized by using 2-selenophenylpyridine and one ppy-type (ppy = 2-phenylpyridine) ligand with a fluorinated selenide group. To the best of our knowledge, these complexes represent unprecedented examples of asymmetric heteroleptic Ir(III) phosphorescent emitters bearing selenium-containing groups. Natural transition orbital (NTO) analysis based on optimized geometries of the first triplet state (T1) have shown that the phosphorescent emissions of these Ir(III) complexes dominantly show 3π-π* features of the 2-selenophenylpyridine ligand with slight metal to ligand charge transfer (MLCT) contribution. In comparison with their symmetric parent complex Ir-Se with two 2-selenophenylpyridine ligands, these asymmetric heteroleptic Ir(III) phosphorescent complexes can show much higher phosphorescent quantum yields (ΦP) of ca. 0.90. Both the hole- and electron-trapping ability of these Ir(III) phosphorescent complexes can be enhanced by selenophene and fluorinated selenide groups to improve their EL efficiencies. The EL abilities of these asymmetric heteroleptic Ir(III) phosphorescent emitters fall in the order Ir-Se3F > Ir-Se2F > Ir-Se1F > Ir-Se0F. The highest EL efficiencies have been achieved by Ir-Se3F in the solution-processed OLEDs with external quantum efficiency (ηext), current efficiency (ηL), and power efficiency (ηP) of 19.9%, 65.6 cd A-1, and 57.3 lm W-1, respectively. These encouraging EL results clearly indicate the great potential of selenium-containing groups in developing high-performance Ir(III) phosphorescent emitters.
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Affiliation(s)
- Zhao Feng
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Institute of Chemistry for New Energy Materials, Department of Chemistry, School of Science , Xi'an Jiaotong University , Xi'an 710049 , People's Republic of China
| | - Dezhi Wang
- Department of Applied Chemistry, College of Chemistry & Pharmacy , Northwest A&F University , Yangling 712100 , People's Republic of China
| | - Xiaolong Yang
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Institute of Chemistry for New Energy Materials, Department of Chemistry, School of Science , Xi'an Jiaotong University , Xi'an 710049 , People's Republic of China
| | - Deyuan Jin
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Institute of Chemistry for New Energy Materials, Department of Chemistry, School of Science , Xi'an Jiaotong University , Xi'an 710049 , People's Republic of China
| | - Daokun Zhong
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Institute of Chemistry for New Energy Materials, Department of Chemistry, School of Science , Xi'an Jiaotong University , Xi'an 710049 , People's Republic of China
| | - Boao Liu
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Institute of Chemistry for New Energy Materials, Department of Chemistry, School of Science , Xi'an Jiaotong University , Xi'an 710049 , People's Republic of China
| | - Guijiang Zhou
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Institute of Chemistry for New Energy Materials, Department of Chemistry, School of Science , Xi'an Jiaotong University , Xi'an 710049 , People's Republic of China
| | - Miaofeng Ma
- Department of Applied Chemistry, College of Chemistry & Pharmacy , Northwest A&F University , Yangling 712100 , People's Republic of China
| | - Zhaoxin Wu
- Key Laboratory of Photonics Technology for Information School of Electronic and Information Engineering , Xi'an Jiaotong University , Xi'an 710049 , People's Republic of China
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12
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Yoshikawa N, Yamazaki S, Kato N, Kanehisa N, Inoue T, Nakata E, Takashima H. Study of the triplet excited states and DFT calculations of iridium(III) complexes with mixed ligands. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.03.064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Kajjam AB, Vaidyanathan S. Tuning the photophysical properties of heteroleptic Ir(III) complexes through ancillary ligand substitution: Experimental and theoretical investigation. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.09.054] [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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14
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Zhou Y, Kong L, Xie K, Liu C. Heteroleptic iridium(III) complex with N -heterocyclic carbene ligand: Synthesis, photophysics, theoretical calculations and electrochemiluminescence. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2017.07.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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15
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Yang Z, Zhao Y, Wang C, Song Q, Pang Q. A water-soluble and highly phosphorescent cyclometallated iridium complex with versatile sensing capability. Talanta 2017; 166:169-175. [DOI: 10.1016/j.talanta.2017.01.050] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 01/11/2017] [Accepted: 01/16/2017] [Indexed: 12/26/2022]
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16
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Zhou Y, Xie K, Leng R, Kong L, Liu C, Zhang Q, Wang X. Highly efficient electrochemiluminescence labels comprising iridium(iii) complexes. Dalton Trans 2017; 46:355-363. [DOI: 10.1039/c6dt04038a] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Highly efficient iridium ECL labels exhibiting various emission colors have been developed. Importantly, BSA labeled with the novel iridium labels displays much more intense ECL than the same amount labeled by a traditional ruthenium label in ProCell buffer solution.
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Affiliation(s)
- Yuyang Zhou
- School of Chemistry
- Biology and Material Engineering
- Jiangsu Key Laboratory of Environmental Functional Materials
- Suzhou University of Science and Technology
- Suzhou
| | - Kai Xie
- School of Chemistry
- Biology and Material Engineering
- Jiangsu Key Laboratory of Environmental Functional Materials
- Suzhou University of Science and Technology
- Suzhou
| | - Ruimei Leng
- School of Chemistry
- Biology and Material Engineering
- Jiangsu Key Laboratory of Environmental Functional Materials
- Suzhou University of Science and Technology
- Suzhou
| | - Lingyan Kong
- School of Chemistry
- Biology and Material Engineering
- Jiangsu Key Laboratory of Environmental Functional Materials
- Suzhou University of Science and Technology
- Suzhou
| | - Chengbao Liu
- School of Chemistry
- Biology and Material Engineering
- Jiangsu Key Laboratory of Environmental Functional Materials
- Suzhou University of Science and Technology
- Suzhou
| | - Qingqing Zhang
- Suzhou Institute of Nano-Tech and Nano-Bionics
- Chinese Academy of Sciences
- Suzhou
- China
| | - Xiaomei Wang
- School of Chemistry
- Biology and Material Engineering
- Jiangsu Key Laboratory of Environmental Functional Materials
- Suzhou University of Science and Technology
- Suzhou
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17
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Zhao Y, Xue D, Qi H, Zhang C. Twisted configuration pyrene derivative: exhibiting pure blue monomer photoluminescence and electrogenerated chemiluminescence emissions in non-aqueous media. RSC Adv 2017. [DOI: 10.1039/c7ra01586k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Methyl benzoate-pyrene, a pyrene derivative with a twisted configuration, exhibited monomer photoluminescence and electrogenerated chemiluminescence emissions.
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Affiliation(s)
- Ying Zhao
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710062
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710062
| | - Honglan Qi
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710062
| | - Chengxiao Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi’an 710062
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18
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Valenti G, Fiorani A, Li H, Sojic N, Paolucci F. Essential Role of Electrode Materials in Electrochemiluminescence Applications. ChemElectroChem 2016. [DOI: 10.1002/celc.201600602] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Giovanni Valenti
- Department of Chemistry “G. Ciamician”; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Andrea Fiorani
- Department of Chemistry “G. Ciamician”; University of Bologna; Via Selmi 2 40126 Bologna Italy
| | - Haidong Li
- University of Bordeaux; INP Bordeaux, Institut des Sciences Moléculaires, CNRS UMR 5255, ENSCBP; 33607 Pessac France
| | - Neso Sojic
- University of Bordeaux; INP Bordeaux, Institut des Sciences Moléculaires, CNRS UMR 5255, ENSCBP; 33607 Pessac France
| | - Francesco Paolucci
- Department of Chemistry “G. Ciamician”; University of Bologna; Via Selmi 2 40126 Bologna Italy
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19
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Jiang Q, Wang M, Yang L, Chen H, Mao L. Synergistic Coordination and Hydrogen Bonding Interaction Modulate the Emission of Iridium Complex for Highly Sensitive Glutamine Imaging in Live Cells. Anal Chem 2016; 88:10322-10327. [DOI: 10.1021/acs.analchem.6b03383] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Qin Jiang
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Analytical Chemistry for Living Biosystems and Photochemistry, Institute
of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Ming Wang
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Analytical Chemistry for Living Biosystems and Photochemistry, Institute
of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lifen Yang
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Analytical Chemistry for Living Biosystems and Photochemistry, Institute
of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Hui Chen
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Analytical Chemistry for Living Biosystems and Photochemistry, Institute
of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lanqun Mao
- Beijing
National Laboratory for Molecular Sciences, CAS Key Laboratory of
Analytical Chemistry for Living Biosystems and Photochemistry, Institute
of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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20
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Kapturkiewicz A. Cyclometalated iridium(III) chelates-a new exceptional class of the electrochemiluminescent luminophores. Anal Bioanal Chem 2016; 408:7013-33. [PMID: 27255104 PMCID: PMC5025512 DOI: 10.1007/s00216-016-9615-8] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 03/29/2016] [Accepted: 05/02/2016] [Indexed: 11/24/2022]
Abstract
Recent development of the phosphorescent cyclometalated iridium(III) chelates has enabled, due to their advantageous electrochemical and photo-physical properties, important breakthroughs in many photonic applications. This particular class of 5d(6) ion complexes has attracted increasing interest because of their potential application in electroluminescence devices with a nearly 100 % internal quantum efficiency for the conversion of electric energy to photons. Similar to electroluminescence, the cyclometalated iridium(III) chelates have been successfully applied in the electricity-to-light conversion by means of the electrochemiluminescence (ECL) processes. The already reported ECL systems utilizing the title compounds exhibit extremely large ECL efficiencies that allow one to envisage many potential application for them, especially in further development of ECL-based analytical techniques. This review, based on recently published papers, focuses on the ECL properties of this very exciting class of organometallic luminophores. The reported work, describing results from fundamental as well as application-oriented investigations, will be surveyed and briefly discussed. Graphical abstract Depending on the chemical nature of the cyclometalated irdium(III) chelate different colours of the emitted light can be produced during electrochemical excitation.
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Affiliation(s)
- Andrzej Kapturkiewicz
- Institute of Chemistry, Faculty of Sciences, Siedlce University of Natural Sciences and Humanities, 3 Maja 54, 08-110, Siedlce, Poland.
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21
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Electrogenerated chemiluminescence of cyclometalated iridium(III) complexes with derived β-acetylacetone as ancillary ligand. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.07.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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22
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Kang TK, Kang CH, Lee J, Kim SH, Kim BH, Lee WY. Electrogenerated chemiluminescence from newly synthesized α-diimine-ligated heteroleptic iridium(III) complexes. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.05.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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23
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Improved electrochemiluminescence labels for heterogeneous microbead immunoassay. Anal Bioanal Chem 2016; 408:7095-103. [DOI: 10.1007/s00216-016-9583-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 03/05/2016] [Accepted: 04/19/2016] [Indexed: 01/01/2023]
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24
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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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25
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Jesu Raj JG, Quintanilla M, Vetrone F. Near-infrared triggered generation of reactive oxygen species from upconverting nanoparticles decorated with an organoiridium complex. J Mater Chem B 2016; 4:3113-3120. [DOI: 10.1039/c5tb02555a] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
We developed an upconverting nanoparticle capable of (up)converting near-infrared excitation light to UV to sensitize an organoiridium complex for the production of reactive oxygen species.
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Affiliation(s)
- Joe Gerald Jesu Raj
- Institut National de la Recherche Scientifique (INRS) - Énergie, Matériaux et Télécommunications (EMT)
- Université du Québec
- Varennes
- Canada
| | - Marta Quintanilla
- Institut National de la Recherche Scientifique (INRS) - Énergie, Matériaux et Télécommunications (EMT)
- Université du Québec
- Varennes
- Canada
| | - Fiorenzo Vetrone
- Institut National de la Recherche Scientifique (INRS) - Énergie, Matériaux et Télécommunications (EMT)
- Université du Québec
- Varennes
- Canada
- Centre for Self-Assembled Chemical Structures
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26
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Howarth AJ, Majewski MB, Brown CM, Lelj F, Wolf MO, Patrick BO. Emissive Ir(III) complexes bearing thienylamido groups on a 1,10-phenanthroline scaffold. Dalton Trans 2015; 44:16272-9. [PMID: 26278384 DOI: 10.1039/c5dt02691a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis, structures and photophysical properties of a series of bis-cyclometallated Ir(iii) complexes bearing phenylpyrazole (ppz) cyclometallating ligands and phenanthroline-based ancillary ligands containing thienyl- and bithienylamido groups are reported. All complexes are emissive in solution, while in PMMA films strong emission is observed from the thienylamido substituted complex with no emission from the bithienylamido complex. The bithienylamido substituted complex has an excited state lifetime which is significantly longer than the emission lifetime, attributed to the population of non-equilibrated (3)MLCT and (3)LC states in this complex. This represents a rare example of this unusual excited state behaviour. DFT calculations show that the emitting (3)MLCT state and the dark (3)LC state on bithiophene are close in energy and that a large change in the triplet state geometry occurs upon excitation that effectively lowers the energy of the (3)MLCT state below that of the dark (3)LC state. The low quantum yield of the bithienylamido complex is attributed to a structural rearrangement upon relaxation back to the ground state, opening a non-radiative decay pathway.
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Affiliation(s)
- Ashlee J Howarth
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6 T 1Z1, Canada.
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27
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Gao H, Xia S, Zhang R, Zhao Y, Wang W, An Z, Qi H. Efficient green electrogenerated chemiluminescence from cyclometalated iridium(III) complex. J Electroanal Chem (Lausanne) 2015. [DOI: 10.1016/j.jelechem.2015.07.026] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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28
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Jesu Raj JG, Quintanilla M, Mahmoud KA, Ng A, Vetrone F, Zourob M. Sensitive Detection of ssDNA Using an LRET-Based Upconverting Nanohybrid Material. ACS APPLIED MATERIALS & INTERFACES 2015; 7:18257-18265. [PMID: 26280649 DOI: 10.1021/acsami.5b02986] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Water-dispersible, optical hybrid nanoparticles are preferred materials for DNA biosensing due to their biocompatibility. Upconverting nanoparticles are highly desirable optical probes in sensors and bioimaging owing to their sharp emission intensity in the visible region. We herein report a highly sensitive ss-DNA detection based on an energy transfer system that uses a nanohybrid material synthesized by doping NaYF4:Tm(3+)/Yb(3+) upconverting nanoparticles (UCNPs) on silica coated polystyrene-co-acrylic acid (PSA) nanoparticles (PSA/SiO2) as the donor, and gold nanoparticles (AuNPs) decorated with Ir(III) complex as the acceptor. UCNPs tagged on PSA/SiO2 and the cyclometalated Ir(III)/AuNP conjugates were then linked through the ss-DNA sequence. Sequential addition of the target DNA to the probe molecular beacon complex resulted in the separation of the optical nanohybrid material and the quencher, leading to a measurable increase in the blue fluorescence emission intensity. Our results have shown a linear relationship between the fluorescence intensity and target DNA concentration down to the picomolar.
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Affiliation(s)
- Joe Gerald Jesu Raj
- Biosensors, Bio-MEMS, Bionanotechnology Laboratory (BBBL), Institute for Global Food Security, School of Biological Sciences, Queen's University, Queen's University Belfast , 18-30 Malone Road, Belfast, BT9 5BN, United Kingdom
- Advanced Materials Laboratory, Institut National de la Recherche Scientifique - Énergie, Matériaux et Télécommunications, Université du Québec , Varennes, J3X 1S2 Québec, Canada
| | - Marta Quintanilla
- Advanced Materials Laboratory, Institut National de la Recherche Scientifique - Énergie, Matériaux et Télécommunications, Université du Québec , Varennes, J3X 1S2 Québec, Canada
| | - Khaled A Mahmoud
- Qatar Environment and Energy Research Institute, Qatar Foundation , Doha, Qatar
| | - Andy Ng
- Biosensors, Bio-MEMS, Bionanotechnology Laboratory (BBBL), Institute for Global Food Security, School of Biological Sciences, Queen's University, Queen's University Belfast , 18-30 Malone Road, Belfast, BT9 5BN, United Kingdom
| | - Fiorenzo Vetrone
- Advanced Materials Laboratory, Institut National de la Recherche Scientifique - Énergie, Matériaux et Télécommunications, Université du Québec , Varennes, J3X 1S2 Québec, Canada
- Centre for Self-Assembled Chemical Structures, McGill University , 845 Sherbrooke Street West, Montreal H3A 0G4 Québec, Canada
| | - Mohammed Zourob
- Biosensors, Bio-MEMS, Bionanotechnology Laboratory (BBBL), Institute for Global Food Security, School of Biological Sciences, Queen's University, Queen's University Belfast , 18-30 Malone Road, Belfast, BT9 5BN, United Kingdom
- Department of Chemistry, Alfaisal University , Al Zahrawi Street, Al Maather, Al Takhassusi Rd, Riyadh 11533, Saudi Arabia
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29
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Castor KJ, Metera KL, Tefashe UM, Serpell CJ, Mauzeroll J, Sleiman HF. Cyclometalated Iridium(III) Imidazole Phenanthroline Complexes as Luminescent and Electrochemiluminescent G-Quadruplex DNA Binders. Inorg Chem 2015; 54:6958-67. [PMID: 26125314 DOI: 10.1021/acs.inorgchem.5b00921] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Katherine J. Castor
- Department of Chemistry, McGill University, 801 Sherbrooke
West, Montreal, Quebec H3A 0B8, Canada
| | - Kimberly L. Metera
- Department of Chemistry, McGill University, 801 Sherbrooke
West, Montreal, Quebec H3A 0B8, Canada
| | - Ushula M. Tefashe
- Department of Chemistry, McGill University, 801 Sherbrooke
West, Montreal, Quebec H3A 0B8, Canada
| | - Christopher J. Serpell
- Department of Chemistry, McGill University, 801 Sherbrooke
West, Montreal, Quebec H3A 0B8, Canada
| | - Janine Mauzeroll
- Department of Chemistry, McGill University, 801 Sherbrooke
West, Montreal, Quebec H3A 0B8, Canada
| | - Hanadi F. Sleiman
- Department of Chemistry, McGill University, 801 Sherbrooke
West, Montreal, Quebec H3A 0B8, Canada
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30
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Zhu L, Tang X, Yu Q, Lv W, Yan H, Zhao Q, Huang W. Tuning the Optical Properties of 2-Thienylpyridyl Iridium Complexes through Carboranes and Anions. Chemistry 2015; 21:4721-30. [DOI: 10.1002/chem.201405897] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Indexed: 01/18/2023]
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31
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Valenti G, Fiorani A, Di Motta S, Bergamini G, Gingras M, Ceroni P, Negri F, Paolucci F, Marcaccio M. Molecular Size and Electronic Structure Combined Effects on the Electrogenerated Chemiluminescence of Sulfurated Pyrene-Cored Dendrimers. Chemistry 2014; 21:2936-47. [DOI: 10.1002/chem.201404230] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Indexed: 11/06/2022]
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32
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Monti F, Baschieri A, Gualandi I, Serrano-Pérez JJ, Junquera-Hernández JM, Tonelli D, Mazzanti A, Muzzioli S, Stagni S, Roldan-Carmona C, Pertegás A, Bolink HJ, Ortí E, Sambri L, Armaroli N. Iridium(III) Complexes with Phenyl-tetrazoles as Cyclometalating Ligands. Inorg Chem 2014; 53:7709-21. [DOI: 10.1021/ic500999k] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Filippo Monti
- Istituto
per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale
delle Ricerche, Via P.
Gobetti, 101, I-40129, Bologna, Italy
| | - Andrea Baschieri
- Dipartimento
di Chimica Industriale “Toso Montanari”, Università di Bologna, Viale Risorgimento 4, I-40136, Bologna, Italy
| | - Isacco Gualandi
- Dipartimento
di Chimica Industriale “Toso Montanari”, Università di Bologna, Viale Risorgimento 4, I-40136, Bologna, Italy
| | - Juan J. Serrano-Pérez
- Instituto
de Ciencia Molecular, Universidad de Valencia, Catedrático José Beltrán
2, E-46980, Paterna, Spain
| | - José M. Junquera-Hernández
- Instituto
de Ciencia Molecular, Universidad de Valencia, Catedrático José Beltrán
2, E-46980, Paterna, Spain
| | - Domenica Tonelli
- Dipartimento
di Chimica Industriale “Toso Montanari”, Università di Bologna, Viale Risorgimento 4, I-40136, Bologna, Italy
| | - Andrea Mazzanti
- Dipartimento
di Chimica Industriale “Toso Montanari”, Università di Bologna, Viale Risorgimento 4, I-40136, Bologna, Italy
| | - Sara Muzzioli
- Dipartimento
di Chimica Industriale “Toso Montanari”, Università di Bologna, Viale Risorgimento 4, I-40136, Bologna, Italy
| | - Stefano Stagni
- Dipartimento
di Chimica Industriale “Toso Montanari”, Università di Bologna, Viale Risorgimento 4, I-40136, Bologna, Italy
| | - Cristina Roldan-Carmona
- Instituto
de Ciencia Molecular, Universidad de Valencia, Catedrático José Beltrán
2, E-46980, Paterna, Spain
| | - Antonio Pertegás
- Instituto
de Ciencia Molecular, Universidad de Valencia, Catedrático José Beltrán
2, E-46980, Paterna, Spain
| | - Henk J. Bolink
- Instituto
de Ciencia Molecular, Universidad de Valencia, Catedrático José Beltrán
2, E-46980, Paterna, Spain
| | - Enrique Ortí
- Instituto
de Ciencia Molecular, Universidad de Valencia, Catedrático José Beltrán
2, E-46980, Paterna, Spain
| | - Letizia Sambri
- Dipartimento
di Chimica Industriale “Toso Montanari”, Università di Bologna, Viale Risorgimento 4, I-40136, Bologna, Italy
| | - Nicola Armaroli
- Istituto
per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale
delle Ricerche, Via P.
Gobetti, 101, I-40129, Bologna, Italy
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33
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Barbante GJ, Doeven EH, Kerr E, Connell TU, Donnelly PS, White JM, Lópes T, Laird S, Wilson DJD, Barnard PJ, Hogan CF, Francis PS. Understanding Electrogenerated Chemiluminescence Efficiency in Blue-Shifted Iridium(III)-Complexes: An Experimental and Theoretical Study. Chemistry 2014; 20:3322-32. [DOI: 10.1002/chem.201304500] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Indexed: 01/05/2023]
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34
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Bünzli AM, Bolink HJ, Constable EC, Housecroft CE, Junquera-Hernández JM, Neuburger M, Ortí E, Pertegás A, Serrano-Pérez JJ, Tordera D, Zampese JA. Thienylpyridine-based cyclometallated iridium(iii) complexes and their use in solid state light-emitting electrochemical cells. Dalton Trans 2014; 43:738-50. [DOI: 10.1039/c3dt52622d] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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35
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Ladouceur S, Swanick KN, Gallagher-Duval S, Ding Z, Zysman-Colman E. Strongly Blue Luminescent Cationic Iridium(III) Complexes with an Electron-Rich Ancillary Ligand: Evaluation of Their Optoelectronic and Electrochemiluminescence Properties. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300849] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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36
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Moore SA, Davies DL, Karim MM, Nagle JK, Wolf MO, Patrick BO. Photophysical behaviour of cyclometalated iridium(III) complexes with phosphino(terthiophene) ligands. Dalton Trans 2013; 42:12354-63. [PMID: 23856816 DOI: 10.1039/c3dt51320c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Six new Ir(III) complexes containing the 3'-phosphino-2,2':5',2''-terthiophene (PT3) ligand in three different coordination modes are reported. The electronic properties of the complexes are characterized by cyclic voltammetry, absorption, emission and time-resolved transient absorption spectroscopies and DFT/TDDFT calculations. The electrochemical and photophysical behaviour of the complexes was found to be dominated by the PT3 ligand. For the complexes in which the PT3 ligand is coordinated in a bidentate P,S or P,C mode, the lowest energy absorption band is attributed to π-π* PT3 localized transitions consistent with observations from DFT calculations. Emission quantum yields are low in all cases (<0.07) and emission lifetimes are short (<50 ns). Intersystem crossing leads to a long-lived triplet state ((3)L) also localized on the PT3 group. In the complex where the PT3 ligand is coordinated only via the phosphine, TDDFT calculations suggest that there is some MLCT (and Cl-PT3 CT) character in the lowest energy transition.
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Affiliation(s)
- Stephanie A Moore
- Department of Chemistry, University of British Columbia, Vancouver, BC V6 T 1Z1, Canada
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37
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Zhu S, Song Q, Zhang S, Ding Y. Effects of the frontier orbitals on the electrochemical and electrochemiluminescent properties of the bis-cyclometalated iridium(III) complexes with different ligands. J Mol Struct 2013. [DOI: 10.1016/j.molstruc.2012.11.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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38
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Jin G, Lu L, Gao X, Li MJ, Qiu B, Lin Z, Yang H, Chen G. Magnetic graphene oxide-based electrochemiluminescent aptasensor for thrombin. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2012.10.155] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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39
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Organometallic Complexes of Pyridines Together with Diverse Heterocycles as Ligands. ADVANCES IN HETEROCYCLIC CHEMISTRY 2013. [DOI: 10.1016/b978-0-12-407777-5.00002-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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40
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Lu F, Yamamura M, Nabeshima T. A highly selective and sensitive ratiometric chemodosimeter for Hg2+ ions based on an iridium(iii) complex via thioacetal deprotection reaction. Dalton Trans 2013; 42:12093-100. [DOI: 10.1039/c3dt50807b] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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41
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Swanick KN, Ladouceur S, Zysman-Colman E, Ding Z. Correlating electronic structures to electrochemiluminescence of cationic Ir complexes. RSC Adv 2013. [DOI: 10.1039/c3ra43134g] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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42
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Photophysics, electrochemistry and electrochemiluminescence of water-soluble biscyclometalated iridium (III) complexes. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.08.006] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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43
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Valenti G, O'Reilly EJ, McNally A, Keyes TE, Marcaccio M, Paolucci F, Forster RJ. Electrochemically Induced Release of a Luminescent Probe from a Rhenium-Containing Metallopolymer. Chempluschem 2012. [DOI: 10.1002/cplu.201200193] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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44
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Metera KL, Hänni KD, Zhou G, Nayak MK, Bazzi HS, Juncker D, Sleiman HF. Luminescent Iridium(III)-Containing Block Copolymers: Self-Assembly into Biotin-Labeled Micelles for Biodetection Assays. ACS Macro Lett 2012; 1:954-959. [PMID: 35607050 DOI: 10.1021/mz3001644] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Luminescent polymers containing Ir(ppy)2(bpy) PF6 complexes, biocompatible poly(ethylene glycol) (PEG) chains, and biotin moieties were synthesized via ring-opening metathesis polymerization (ROMP). Their self-assembly in water into micelles resulted in an increased quantum yield compared to open polymer chains in acetonitrile, which is likely due to core rigidity and desolvation. Streptavidin coated magnetic beads were employed to analyze the binding ability of these micelles. The positioning of the molecular recognition moiety biotin within the polymer chain had a very significant effect on the availability of biotin on the micelle surface and the ability of the micelles to bind to streptavidin. Simply attaching biotin to the end of the ROMP polymer yielded micelles in which the biotin units were shielded by the PEG chains, whereas the synthesis of a new ROMP monomer containing biotin at the end of the PEG chains resulted in improved surface availability of the biotin group. Preliminary experiments in which streptavidin was microcontact-printed onto functionalized glass coverslips also indicated specific binding between the micelles and streptavidin and further demonstrated the potential of these micelle systems to function as luminescent probes in solid-phase biodetection assays.
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Affiliation(s)
- Kimberly L. Metera
- Department of Chemistry and Center for Self-Assembled Chemical Structures (CSACS), McGill University, Montreal, Quebec, Canada H3A 2K6
| | - Kevin D. Hänni
- Department of Chemistry and Center for Self-Assembled Chemical Structures (CSACS), McGill University, Montreal, Quebec, Canada H3A 2K6
| | - Gina Zhou
- Biomedical Engineering Department, McGill University and Genome Quebec Innovation Centre, Montreal, Quebec, Canada H3A 0G1
| | - Manoj K. Nayak
- Department of Chemistry, Texas A&M University at Qatar, P.O. Box 23874, Doha, Qatar
| | - Hassan S. Bazzi
- Department of Chemistry, Texas A&M University at Qatar, P.O. Box 23874, Doha, Qatar
| | - David Juncker
- Biomedical Engineering Department, McGill University and Genome Quebec Innovation Centre, Montreal, Quebec, Canada H3A 0G1
| | - Hanadi F. Sleiman
- Department of Chemistry and Center for Self-Assembled Chemical Structures (CSACS), McGill University, Montreal, Quebec, Canada H3A 2K6
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Rampazzo E, Bonacchi S, Genovese D, Juris R, Marcaccio M, Montalti M, Paolucci F, Sgarzi M, Valenti G, Zaccheroni N, Prodi L. Nanoparticles in metal complexes-based electrogenerated chemiluminescence for highly sensitive applications. Coord Chem Rev 2012. [DOI: 10.1016/j.ccr.2012.03.021] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Swanick KN, Price JT, Jones ND, Ding Z. Synthesis, Structure, Electrochemistry, and Electrochemiluminescence of Thienyltriazoles. J Org Chem 2012; 77:5646-55. [DOI: 10.1021/jo300802h] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Kalen N. Swanick
- Department
of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario,
Canada N6A 5B7
| | - Jacquelyn T. Price
- Department
of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario,
Canada N6A 5B7
| | - Nathan D. Jones
- Department
of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario,
Canada N6A 5B7
| | - Zhifeng Ding
- Department
of Chemistry, The University of Western Ontario, 1151 Richmond Street, London, Ontario,
Canada N6A 5B7
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Schwartz KR, Chitta R, Bohnsack JN, Ceckanowicz DJ, Miró P, Cramer CJ, Mann KR. Effect of Axially Projected Oligothiophene Pendants and Nitro-Functionalized Diimine Ligands on the Lowest Excited State in Cationic Ir(III) bis-Cyclometalates. Inorg Chem 2012; 51:5082-94. [DOI: 10.1021/ic202573y] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Kyle R. Schwartz
- Department of Chemistry and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota
55455, United States
| | - Raghu Chitta
- Department of Chemistry and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota
55455, United States
| | - Jon N. Bohnsack
- Department of Chemistry and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota
55455, United States
| | - Darren J. Ceckanowicz
- Department of Chemistry and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota
55455, United States
| | - Pere Miró
- Department of Chemistry and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota
55455, United States
| | - Christopher J. Cramer
- Department of Chemistry and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota
55455, United States
| | - Kent R. Mann
- Department of Chemistry and Supercomputing Institute, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota
55455, United States
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Xia H, Liu X, Wu Q, Zhang Y, Gao W, Mu Y. Synthesis, structure, and luminescence of rhenium(I) complexes with substituted bipyridines. J COORD CHEM 2012. [DOI: 10.1080/00958972.2012.671479] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Hong Xia
- a State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University , Changchun 130012 , People's Republic of China
| | - Xiaoming Liu
- a State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University , Changchun 130012 , People's Republic of China
- b State Key Laboratory of Supramolecular Structure and Materials, School of Chemistry, Jilin University , Changchun 130012 , People's Republic of China
| | - Qiaolin Wu
- b State Key Laboratory of Supramolecular Structure and Materials, School of Chemistry, Jilin University , Changchun 130012 , People's Republic of China
| | - Yuwei Zhang
- b State Key Laboratory of Supramolecular Structure and Materials, School of Chemistry, Jilin University , Changchun 130012 , People's Republic of China
| | - Wei Gao
- b State Key Laboratory of Supramolecular Structure and Materials, School of Chemistry, Jilin University , Changchun 130012 , People's Republic of China
| | - Ying Mu
- b State Key Laboratory of Supramolecular Structure and Materials, School of Chemistry, Jilin University , Changchun 130012 , People's Republic of China
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Liu X, Xia H, Gao W, Wu Q, Fan X, Mu Y, Ma C. New rhenium(i) complexes with substituted diimine ligands for highly efficient phosphorescent devices fabricated by a solution process. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm14222h] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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50
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Swanick KN, Ladouceur S, Zysman-Colman E, Ding Z. Bright electrochemiluminescence of iridium(iii) complexes. Chem Commun (Camb) 2012; 48:3179-81. [DOI: 10.1039/c2cc16385c] [Citation(s) in RCA: 113] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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