Articles with "acac" as a keyword



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Contribution of Catalytic Transesterification Reactions to the Compatibilization of Poly(lactic acid)/Polycarbonate Blends: Thermal, Morphological and Viscoelastic Characterization

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Published in 2017 at "Journal of Polymers and the Environment"

DOI: 10.1007/s10924-017-0950-4

Abstract: Samarium acetylacetonate (Sm-Acac) was added to catalyze interchange reactions between poly(lactic acid) (PLA) and polycarbonate (PC) in order to promote compatibilization and enhance the performances of the PLA/PC blend. The effects of the composition and… read more here.

Keywords: poly lactic; acac; pla; transesterification reactions ... See more keywords
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[Pd(acac)(PR3)(PhCN)][BF4] and [Pd(acac)(S)2][BF4] (R = phenyl, 2-methoxyphenyl; S = benzonitrile, pyridine): Synthesis, characterization, reactivity and catalytic behavior. Crystal structure of Pd(κ2-O,O′-acac)(κ1-C-acac)(P(2-MeOC6H4)3)

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Published in 2020 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2020.128425

Abstract: Abstract The Pd(II)complexes [Pd(acac)(PR3)(PhCN)][BF4] and [Pd(acac)(S)2][BF4] (acac = acetylacetonate; R = phenyl, 2-methoxyphenyl; S = benzonitrile, pyridine, CD3CN) were synthesized by the reaction of Pd(acac)2 or Pd(acac)2·PR3 with 2 equiv. of BF3·OEt2 in the presence of appropriate ligands (S). The structural… read more here.

Keywords: bf4 acac; acac; bf4; acac pr3 ... 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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Ruthenium-Benzothiadiazole Building Block Derived Dynamic Heterometallic Ru-Ag Coordination Polymer and Its Enhanced Water-Splitting Feature.

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Published in 2021 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c00865

Abstract: This article deals with the development of the unprecedented redox-mediated heterometallic coordination polymer {[RuIII(acac)2(μ-bis-η1-N,η1-N-BTD)2AgI(ClO4)]ClO4}n (3) via the oxidation of the monomeric building block cis-[RuII(acac)2(η1-N-BTD)2] (1) by AgClO4 (BTD = exodentate 2,1,3-benzothiadiazole, acac = acetylacetonate). Monomeric… read more here.

Keywords: acac; ruii; water; heterometallic coordination ... See more keywords
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Inner-Sphere Electron Transfer Induced Reversible Electron Reservoir Feature of Azoheteroarene Bridged Diruthenium Frameworks.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c02921

Abstract: This article demonstrates the stabilization of ground- and redox-induced metal-to-ligand charge transfer excited states on coordination of azo-coupled bmpd(L4) [bmpd = (E)-1,2-bis(1-methyl-1H-pyrazol-3-yl)diazene; L4 = -N═N-] to the electron-rich {Ru(acac)2} (acac = acetylacetonate) unit in mononuclear… read more here.

Keywords: transfer induced; electron transfer; inner sphere; electron ... See more keywords
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Aligning π-Extended π-Deficient Ligands to Afford Submicrosecond Phosphorescence Radiative Decay Time of Mononuclear Ir(III) Complexes.

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Published in 2023 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c03403

Abstract: Herein, we report a profound investigation of the photophysical properties of three mononuclear Ir(III) complexes fac-Ir(dppm)3 (Hdppm-4,6-bis(4-(tert-butyl)phenyl)pyrimidine), Ir(dppm)2(acac) (acac-acetylacetonate), and Ir(ppy)2(acac) (Hppy-phenylpyridine). The heteroleptic Ir(dppm)2(acac) is found to emit with efficiency above 80% and feature… read more here.

Keywords: dppm acac; phosphorescence; mononuclear iii; iii complexes ... See more keywords
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Tuning Emission Lifetimes of Ir(C^N)2(acac) Complexes with Oligo(phenyleneethynylene) Groups

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Published in 2023 at "Inorganic Chemistry"

DOI: 10.1021/acs.inorgchem.2c03934

Abstract: Emissive compounds with long emission lifetimes (μs to ms) in the visible region are of interest for a range of applications, from oxygen sensing to cellular imaging. The emission behavior of Ir(ppy)2(acac) complexes (where ppy… read more here.

Keywords: dope3 complexes; emission lifetimes; ppy acac; emission ... See more keywords

Complex Structural Landscape of Titanium Organophosphonates: Isolation of Structurally Related Ti4, Ti5, and Ti6 Species and Mechanistic Insights.

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Published in 2017 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.7b01651

Abstract: [Ti(acac)2(OiPr)2] reacts with tert-butylphosphonic acid to yield a series of titanium organophosphonates such as tetranuclear [Ti4(acac)4(μ-O)2(μ-tBuPO3)2(μ-tBuPO3H)4]·2CH3CN (1), pentanuclear [Ti5(acac)5(μ-O)2(OiPr)(μ-tBuPO3)4(μ-tBuPO3H)2] (2), hexanuclear [Ti6(acac)6(μ-O)2(OiPr)2(μ-tBuPO3)6] (3), or [Ti6(acac)6(μ-O)3(OiPr)(μ-tBuPO3)5(μ-tBuPO3H)]·2CH3CN (4). The isolation of each of these products in pure… read more here.

Keywords: acac oipr; acac; tbupo3; titanium ... See more keywords

A novel furo[3,2-c]pyridine-based iridium complex for high-performance organic light-emitting diodes with over 30% external quantum efficiency

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Published in 2017 at "Journal of Materials Chemistry C"

DOI: 10.1039/c7tc03937a

Abstract: A novel furo[3,2-c]pyridine based Ir complex, namely (pfupy)2Ir(acac), has been developed by replacing sulfur with oxygen in the C^N ligand. Compared with the thiophene-containing (pthpy)2Ir(acac), the LUMO level is elevated while the HOMO level remains… read more here.

Keywords: 2ir acac; acac; furo pyridine; novel furo ... See more keywords

Novel cathode buffer layer of Al(acac)3 enables efficient, large area and stable semi-transparent organic solar cells

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Published in 2020 at "Materials Chemistry Frontiers"

DOI: 10.1039/d0qm00198h

Abstract: The electrode buffer layer plays a more crucial role in semi-transparent organic solar cells (ST-OSCs) than in opaque devices due to the additional requirements of the average visible transmittance (AVT) and color rendering index (CRI)… read more here.

Keywords: organic solar; acac; layer; transparent organic ... See more keywords
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Inner-sphere electron transfer at the ruthenium-azo interface.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d1dt03934b

Abstract: Metal complexes exhibiting multiple reversible redox states have drawn continuing research interest due to their electron reservoir features. In this context, the present article describes ruthenium-acac complexes (acac = acetylacetonate) incorporating redox-active azo-derived abim (azobis(1-methylbenzimidazole))… read more here.

Keywords: redox; electron transfer; ruthenium; abim ... See more keywords