Articles with "ancillary ligand" as a keyword



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Ancillary ligand effect with methyl and t-butyl for deep blue and high EQE blue phosphorescent organic light-emitting diodes

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.128437

Abstract: Abstract Novel phosphorescent emitters, FIr4mpic and FIr4tpic were designed and prepared synthetically to improve the chromaticity and emission efficiency of FIrpic, one of the main blue phosphor. Apparently, methyl and tert-butyl on 4-position of picolinic… read more here.

Keywords: blue; light emitting; fir4mpic fir4tpic; ancillary ligand ... See more keywords
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Manipulating phosphorescence efficiencies of orange iridium(III) complexes through ancillary ligand control

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Published in 2019 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2018.08.001

Abstract: Abstract Two novel orange-emitting iridium (III) complexes (nbi) 2 Ir (bisq) ( 1 ) and (nbi) 2 Ir (dmbisq) ( 2 ) utilizing 2-naphthalen-1-yl-phenyl-1 H -benzimidazole as cyclometalated ligands were successfully synthesized and characterized. The… read more here.

Keywords: iii complexes; iridium iii; ancillary ligand;
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Red-light-emitting electrochemical cells based on cationic iridium complexes with phenanthroimidazole-type ancillary ligand

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Published in 2018 at "Organic Electronics"

DOI: 10.1016/j.orgel.2017.12.035

Abstract: Abstract Red-emitting cationic iridium complexes, namely, [Ir(ppy)2(Qtpi)]PF6 (Complex 1) and [Ir(piq)2(Qtpi)]PF6 (Complex 2) were synthesized using the ancillary ligand 2-(quinolin-2-yl)-1-(p-tolyl)-1H-phenanthro[9,10-d]imidazole (Qtpi) and 2-phenylpyridine (Hppy) and 1-phenylisoquinoline (Hpiq) as cyclometalating ligands. In acetonitrile solution, Complex 1… read more here.

Keywords: ancillary ligand; cationic iridium; light emitting; iridium complexes ... See more keywords
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Electronic impact of ancillary ligand on the oxygenation profile of ruthenium coordinated β-diketiminate

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Published in 2019 at "Polyhedron"

DOI: 10.1016/j.poly.2019.02.052

Abstract: Abstract The recent developments in the direction of metal chelation assisted diverse mode of functionalization of β-diketiminate (nacnac) led to the present deliberation of C(sp2)–H bond oxygenation of Ru-coordinated nacnac through small molecule (O2) activation.… read more here.

Keywords: ancillary ligand; acac; oxygenation; ruii ... See more keywords
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Effects of fluorine substituent on properties of cyclometalated iridium(III) complexes with a 2,2′-bipyridine ancillary ligand

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Published in 2019 at "Tetrahedron"

DOI: 10.1016/j.tet.2019.130686

Abstract: Abstract Cationic cyclometalated Ir(III) complexes (Ir1-Ir5) with fluorine-substituted 2-phenylpyridine (ppy) derivatives as C^N cyclometalating ligands and 2,2′-bipyridine (bpy) as the ancillary ligand, have been synthesized and fully characterized. The influences of the number and the… read more here.

Keywords: ancillary ligand; iii complexes; ligand; effects fluorine ... See more keywords
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Energy Migration Processes in Re(I) MLCT Complexes Featuring a Chromophoric Ancillary Ligand.

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Published in 2020 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.0c00644

Abstract: We present the synthesis, structural characterization, electronic structure calculations, and ultrafast and supra-nanosecond photophysical properties of a series of five Re(I) bichromophores exhibiting metal to ligand charge transfer (MLCT) excited states based on the general… read more here.

Keywords: ancillary ligand; energy migration; model chromophores; spectroscopy ... See more keywords
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Enhancing the Luminescence of Eu(III) Complexes with the Ruthenocene Organometallic Unit as Ancillary Ligand.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c02115

Abstract: Five novel Eu(III)-β-diketonate complexes containing ruthenocene ancillary ligands (1,1'-bis(diphenylphosphoryl)ruthenocene─RcBPO) were synthesized and characterized. The coordination compounds presented the general formula [Eu(β-dik)3(RcBPO)], where β-dik stands for 2-thenoyltrifluoroacetonate (tta), 3-benzoyl-1,1,1-trifluoroacetone (btf), 2-dibenzoylmethanate (dbm), 2-acetyl-1,3-indandionate (aind), and 2-benzoyl-1,3-indandionate… read more here.

Keywords: rcbpo; quantum yields; iii; ancillary ligand ... See more keywords

Selective Ortho Thiolation Enabled by Tuning the Ancillary Ligand in Palladium/Norbornene Catalysis.

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Published in 2019 at "Organic letters"

DOI: 10.1021/acs.orglett.9b00923

Abstract: Site-selective introduction of a sulfur group into aromatic compounds is essential and useful in organic, material, and pharmaceutical chemistry. A palladium/norbornene-catalyzed chemoselective ortho thiolation of aryl halides was reported. The selectivity of reductive elimination for… read more here.

Keywords: ancillary ligand; tuning ancillary; ortho thiolation; palladium norbornene ... See more keywords
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Effect of the Ancillary Ligand on the Performance of Heteroleptic Cu(I) Diimine Complexes as Dyes in Dye-Sensitized Solar Cells

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Published in 2022 at "ACS Applied Energy Materials"

DOI: 10.1021/acsaem.1c02778

Abstract: A series of heteroleptic Cu(I) diimine complexes with different ancillary ligands and 6,6′-dimethyl-2,2′-bipyridine-4,4′-dibenzoic acid (dbda) as the anchoring ligand were self-assembled on TiO2 surfaces and used as dyes for dye-sensitized solar cells (DSSCs). The binding… read more here.

Keywords: dyes dye; performance; diimine complexes; ancillary ligand ... See more keywords
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Novel phosphorescent cationic iridium(iii) complexes with o-carboranylation on the ancillary N^N ligand.

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Published in 2017 at "Dalton transactions"

DOI: 10.1039/c7dt02009k

Abstract: A novel series of heteroleptic iridium complexes with 2-phenyl-pyridine as a main ligand and carborane-functionalized 2,2'-bipyridine as an ancillary ligand were synthesized, and characterized as [Ir(ppy)2(By)]PF6 (where ppy is 2-phenyl-pyridine, By is 5-(2-R-Cb)-2,2'-bipyridine, R =… read more here.

Keywords: ancillary ligand; cationic iridium; ligand; phosphorescent cationic ... See more keywords
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The influence of the ancillary ligand on the potential of cobalt(iii) complexes to act as chaperones for hydroxamic acid-based drugs.

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Published in 2017 at "Dalton transactions"

DOI: 10.1039/c7dt03645k

Abstract: Cobalt(iii) chaperones are a promising class of bioreductive prodrugs under investigation for the delivery of cytotoxic ligands to hypoxic solid tumours. Here we investigate a series of cobalt complexes as chaperones for hydroxamic acid ligands,… read more here.

Keywords: ancillary ligand; chaperones hydroxamic; hydroxamic acid; cobalt iii ... See more keywords