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   Articles with "iridium" as a keyword



Efficient OER Catalyst with Low Ir Volume Density Obtained by Homogeneous Deposition of Iridium Oxide Nanoparticles on Macroporous Antimony‐Doped Tin Oxide Support

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recommendations! Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201906670

Abstract: A multistep synthesis procedure for the homogeneous coating of a complex porous conductive oxide with small Ir nanoparticles is introduced to obtain a highly active electrocatalyst for water oxidation. At first, inverse opal macroporous Sb… read more here.

Keywords: support; density; iridium; ato ... See more keywords

Molecular Alignment of Homoleptic Iridium Phosphors in Organic Light-Emitting Diodes.

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recommendations! Published in 2021 at "Advanced materials"

DOI: 10.1002/adma.202102882

Abstract: The orientation of facial (fac) tris-cyclometalated iridium complexes in doped films prepared by vacuum deposition is investigated by altering the physical shape and electronic asymmetry in the molecular structure. Angle-dependent photoluminescence spectroscopy and Fourier-plane imaging… read more here.

Keywords: molecular alignment; fac tris; iridium; organic light ... See more keywords

Photodeposition‐Based Synthesis of TiO2@IrOx Core–Shell Catalyst for Proton Exchange Membrane Water Electrolysis with Low Iridium Loading

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recommendations! Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202402991

Abstract: The widespread application of green hydrogen production technologies requires cost reduction of crucial elements. To achieve this, a viable pathway to reduce the iridium loading in proton exchange membrane water electrolysis (PEMWE) is explored. Herein,… read more here.

Keywords: iridium; shell; core shell; iridium loading ... See more keywords

Confined Atom Escape and Nucleation Delivering Iridium‐Based Nanoparticles with Ultrahigh Mass Activity for Acidic Water Oxidation

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recommendations! Published in 2025 at "Advanced Energy Materials"

DOI: 10.1002/aenm.202503229

Abstract: Achieving high catalytic activity and stability with as little iridium (Ir) as possible is essential for the widespread deployment of proton exchange membrane water electrolysis (PEMWE). Although single‐atom dispersion strategies could maximize the utilization of… read more here.

Keywords: iridium; nucleation; iridium based; mass activity ... See more keywords
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Synthesis, structure and antiproliferative activity of organometallic iridium(III) complexes containing thiosemicarbazone ligands

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recommendations! Published in 2017 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.3610

Abstract: A series of half-sandwich iridium complexes (1–4) with thiosemicarbazone ligands in two types of coordination modes were synthesized and characterized. The molecular structures of compounds 1, 2 and 3 were determined using single-crystal X-ray diffraction… read more here.

Keywords: iridium; thiosemicarbazone ligands; synthesis structure; structure antiproliferative ... See more keywords

Cyclometalated half‐sandwich iridium complexes: Synthesis, characterization, and catalytic activity in preparation of esters from halides by using formate as both CO source and coupling partner

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recommendations! Published in 2024 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.7555

Abstract: A highly efficient carbonylation of aryl halides using half‐sandwich iridium catalysis was developed, providing a new avenue for synthesizing carboxylic ester derivatives and yielding consistently impressive results. These iridium complexes demonstrated remarkable catalytic performance in… read more here.

Keywords: iridium; sandwich iridium; half sandwich; catalytic activity ... See more keywords

A Highly Active PBP–Iridium Catalyst for the Dehydrogenation of Dimethylamine–Borane: Catalytic Performance and Mechanism

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recommendations! Published in 2017 at "ChemCatChem"

DOI: 10.1002/cctc.201700384

Abstract: A long‐tethered boron‐containing (P‐B‐P) pincer ligand with an aliphatic backbone was synthesized. Oxidative addition of the B−H bond in the ligand to [Ir(coe)2Cl]2 (coe=cyclooctene) afforded the (P‐B‐P)Ir(H)Cl complex. A catalyst system comprising the iridium complex… read more here.

Keywords: dehydrogenation; iridium; dimethylamine borane; performance ... See more keywords

Single Iridium Pincer Complex for Roundtrip Electrochemical Conversion between Carbon Dioxide and Formate

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recommendations! Published in 2019 at "ChemCatChem"

DOI: 10.1002/cctc.201900083

Abstract: An iridium (III) complex based on a PONOP pincer ligand (PONOP=2,6‐bis(di‐tert‐butylphosphinito)pyridine) is a versatile catalyst for both electro‐reduction of CO2 to formate and formate electro‐oxidation to CO2. The electro‐reduction of CO2 in acetonitrile is very… read more here.

Keywords: pincer; iridium; conversion; co2 ... See more keywords
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Decoupling Oxygen and Chlorine Evolution Reactions in Seawater using Iridium‐based Electrocatalysts

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recommendations! Published in 2020 at "ChemCatChem"

DOI: 10.1002/cctc.202000653

Abstract: A series of iridium (Ir) organometallic‐based electrocatalysts fused onto high surface‐area activated carbon using pyrolysis were prepared for the oxygen evolution reaction (OER) in seawater electrolysis. These catalysts had a low loading of Ir ( read more here.

Keywords: decoupling oxygen; evolution; iridium; chlorine ... See more keywords

SPOs as Non‐Innocent Ligands in Chiral‐at‐Iridium Catalyzed Asymmetric Hydrogenations

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recommendations! Published in 2024 at "ChemCatChem"

DOI: 10.1002/cctc.202400585

Abstract: A series of bis‐cyclometalated chiral‐at‐metal iridium(III) complexes containing a coordinated secondary phosphine oxide (SPO) have been synthesized and evaluated as catalysts in the asymmetric transfer hydrogenation (ATH) of acetophenone. The catalytic results show that SPO… read more here.

Keywords: iridium; chiral iridium; spos non; innocent ligands ... See more keywords

Innocent But Deadly: Nontoxic Organoiridium Catalysts Promote Selective Cancer Cell Death

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recommendations! Published in 2017 at "ChemMedChem"

DOI: 10.1002/cmdc.201600638

Abstract: We demonstrate that nontoxic organoiridum complexes can selectively chemosensitize cancer cells toward platinum antiproliferative agents. Treatment of human cancer cells (breast, colon, eye/retina, head/neck, lung, ovary, and blood) with the iridium chemosensitizers led to lowering… read more here.

Keywords: deadly nontoxic; iridium; nontoxic organoiridium; cancer cells ... See more keywords