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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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.
Sign Up to like & getrecommendations! 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
Synthesis, structure and antiproliferative activity of organometallic iridium(III) complexes containing thiosemicarbazone ligands
Sign Up to like & getrecommendations! 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
A Highly Active PBP–Iridium Catalyst for the Dehydrogenation of Dimethylamine–Borane: Catalytic Performance and Mechanism
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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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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
Decoupling Oxygen and Chlorine Evolution Reactions in Seawater using Iridium‐based Electrocatalysts
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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
Innocent But Deadly: Nontoxic Organoiridium Catalysts Promote Selective Cancer Cell Death
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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
Relevance of Chemical vs. Electrochemical Oxidation of Tunable Carbene Iridium Complexes for Catalytic Water Oxidation
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DOI: 10.1002/ejic.202000090
Abstract: Based on previous work that identified iridium(III) Cp* complexes containing a C,N-bidentate chelating triazolylidene-pyridyl ligand (Cp* = pentamethylcyclopentadienyl, C 5Me 5 –) as efficient molecular water oxidation catalysts, a series of new complexes based on… read more here.
Keywords: oxidation; iridium; relevance chemical; water oxidation ... See more keywords
Iridium Doped Pyrochlore Ruthenates for Efficient and Durable Electrocatalytic Oxygen Evolution in Acidic Media.
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DOI: 10.1002/smll.202202513
Abstract: Developing highly active, durable, and cost-effective electrocatalysts for the oxygen evolution reaction (OER) is of prime importance in proton exchange membrane (PEM) water electrolysis techniques. Ru-based catalysts have high activities but always suffer from severe… read more here.
Keywords: iridium; oxygen evolution; doped pyrochlore; iridium doped ... See more keywords
Dentate number and functionality of O, N-donor ligands for the growth and catalytic reaction of iridium nanoparticles
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DOI: 10.1007/s11696-020-01148-8
Abstract: The catalytic nature of iridium nanoparticles is immensely dependent upon the synthesis procedure, especially on the type of chelating agent used for catalyst in decomposition of hydrazine monohydrate. The mononuclear iridium complexes in high oxidation… read more here.
Keywords: iridium; iridium nanoparticles; number functionality; reaction ... See more keywords
Selective hydrodeoxygenation of biomass derived 5-hydroxymethylfurfural over silica supported iridium catalysts
Sign Up to like & getrecommendations! Published in 2019 at "Applied Catalysis B: Environmental"
DOI: 10.1016/j.apcatb.2018.09.026
Abstract: Abstract Catalytic performance of iridium supported on SiO2 was investigated for 5-hydroxymethylfurfural (HMF) transformation. Ir/SiO2 catalysts exhibiting different metal loading (1, 3, and 5 wt.%) were tested in the preliminary experiments in the hydrogenation of two… read more here.
Keywords: derived hydroxymethylfurfural; selective hydrodeoxygenation; hmf; iridium ... See more keywords