Results 51 to 60 of about 169,457 (393)

Near-infrared emitting iridium complexes: Molecular design, photophysical properties, and related applications

iScience, 2021
Summary: Organic light-emitting diodes (OLEDs) have become popular displays from small screens of wearables to large screens of televisions. In those active-matrix OLED displays, phosphorescent iridium(III) complexes serve as the indispensable green and ...
Yanxin Zhang, Juan Qiao
doaj   +1 more source

Highly active iridium(I) complexes for the selective hydrogenation of carbon-carbon multiple bonds [PDF]

, 2011
New iridium(I) complexes, bearing a bulky NHC/phosphine ligand combination, have been established as extremely efficient hydrogenation catalysts that can be used at low catalyst loadings, and are compatible with functional groups which are often ...
Andersson, Shalini, Bennie, Linsey S., Fraser, Calum J., Irvine, Stephanie, Kerr, William J., Nilsson, Göran N.   +5 more
core   +1 more source

Dynamic active-site generation of atomic iridium stabilized on nanoporous metal phosphides for water oxidation

Nature Communications, 2020
Designing efficient single-atom catalysts (SACs) for oxygen evolution reaction (OER) is critical for water-splitting. However, the self-reconstruction of isolated active sites during OER not only influences the catalytic activity, but also limits the ...
Kang Jiang, M. Luo, Ming Peng, Ya-qin Yu, Ying-Rui Lu, T. Chan, Pan Liu, F. D. de Groot, Yongwen Tan   +8 more
semanticscholar   +1 more source

A Hexanuclear Iridium Chain

Angewandte Chemie International Edition, 2003
Electrons in chains: A novel metallic chain made up of six iridium atoms (see picture) with an average oxidation state of +1.33 has been found in the complex HH,HT,HH-[Ir6(μ-OPy)6(I)2(CO)12] (Opy=2-pyridonate, H=head, T=tail). This complex provides a new link in the electronic sequence connecting dinuclear IrI and IrII complexes.
Tejel, Cristina, Ciriano, Miguel A., Villarroya, B. Eva, López, José A., Lahoz, Fernando J., Oro, Luis A.   +5 more
openaire   +4 more sources

Sub-Chronic Oral Exposure to Iridium (III) Chloride Hydrate in Female Wistar Rats: Distribution and Excretion of the Metal

Dose-Response, 2012
Iridium tissue distribution and excretion in female Wistar rats following oral exposure to iridium (III) chloride hydrate in drinking water (from 1 to 1000 ng/ml) in a sub-chronic oral study were determined.
Ivo Iavicoli, Luca Fontana, Antonio Bergamaschi, Marcelo Enrique Conti, Anna Pino, Daniela Mattei, Beatrice Bocca, Alessandro Alimonti   +7 more
doaj   +1 more source

Electrochemical activation of molecular nitrogen at the Ir/YSZ interface. [PDF]

, 2011
Nitrogen is often used as an inert background atmosphere in solid state studies of electrode and reaction kinetics, of solid state studies of transport phenomena, and in applications e.g. solid oxide fuel cells (SOFC), sensors and membranes.
Alexei Barinov, Arias, Aswahi, Auffermann, Badrinarayanan, Bertoti, Bjoern Luerssen, Bredow, Bredow, Chebotin, Chen, Cruz, Doniach, Eva Mutoro, Futsuhara, Gendre, Gerson, Gonzalez, Guenther, Gutzov, Hara, Head-Gordon, Hughes, Ilia Valov, Jansen, Jürgen Janek, Kilo, Kumar, Ladas, Lee, Lerch, Lerch, Lerch, Lindgrena, Luca Gregoratti, Luerßen, Majumdar, Manfred Martin, Martin, Milosev, Milosev, Morant, Neophytides, Nickel, Parmigiani, Pavel Dudin, Pietro, Prots, Re, Reimann, Roger A. De Souza, Rödel, Sebastian Günther, Soto, Steeb, Taylor, Thomas Bredow, Trofimov, Valov, Valov, Valov, Valov, Wendel, Wiame, Wilcockson, Zhang   +65 more
core   +3 more sources

The origin of the high electrochemical activity of pseudo-amorphous iridium oxides

Nature Communications, 2021
Combining high activity and stability, iridium oxide remains the gold standard material for the oxygen evolution reaction in acidic medium for green hydrogen production.
Marine Elmaalouf, M. Odziomek, Silvia Durán, Maxime Gayrard, M. Bahri, C. Tard, A. Zitolo, B. Lassalle‐Kaiser, J. Piquemal, O. Ersen, C. Boissière, C. Sanchez, M. Giraud, M. Faustini, J. Peron   +14 more
semanticscholar   +1 more source

A Panchromatic Cyclometalated Iridium Dye Based on 2-Thienyl-Perimidine

Molecules, 2022
Though 2-arylperimidines have never been used in iridium(III) chemistry, the present study on structural, electronic and optical properties of N-unsubstituted and N-methylated 2-(2-thienyl)perimidines, supported by DFT/TDDFT calculations, has shown that ...
Paulina Kalle, Marina A. Kiseleva, Sergei V. Tatarin, Daniil E. Smirnov, Alexander Y. Zakharov, Viktor V. Emets, Andrei V. Churakov, Stanislav I. Bezzubov   +7 more
doaj   +1 more source

Tensile straining of iridium sites in manganese oxides for proton-exchange membrane water electrolysers

Nature Communications
Although the acidic oxygen evolution reaction (OER) plays a crucial role in proton-exchange membrane water electrolysis (PEMWE) devices, challenges remain owing to the lack of efficient and acid-stable electrocatalysts.
Hui Su, Chenyu Yang, Meihuan Liu, Xu Zhang, Wanlin Zhou, Yuhao Zhang, Kun Zheng, Shixun Lian, Qinghua Liu   +8 more
semanticscholar   +1 more source

Globally distributed iridium layer preserved within the Chicxulub impact structure

Science Advances, 2021
The preservation of the iridium-rich layer within the Chicxulub crater captures the timing of the K-Pg boundary events. The Cretaceous-Paleogene (K-Pg) mass extinction is marked globally by elevated concentrations of iridium, emplaced by a hypervelocity ...
S. Goderis, Honami Sato, L. Ferrière, B. Schmitz, D. Burney, P. Kaskes, J. Vellekoop, A. Wittmann, T. Schulz, S. Chernonozhkin, P. Claeys, Sietze J. de Graaff, T. Déhais, Niels J. de Winter, M. Elfman, J. Feignon, A. Ishikawa, C. Koeberl, P. Kristiansson, C. Neal, J. Owens, M. Schmieder, M. Sinnesael, F. Vanhaecke, Stijn J. M. Van Malderen, T. Bralower, S. Gulick, D. Kring, C. Lowery, J. Morgan, J. Smit, M. Whalen   +31 more
semanticscholar   +1 more source