نتایج جستجو برای: iridium
تعداد نتایج: 4262 فیلتر نتایج به سال:
In the original version of this Article, the affiliations for Bin Li were incorrectly listed as ‘College of Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China’, ‘National Laboratory of Solid State Microstructures and School of Physics, Nanjing University, Nanjing 210093, China’ and ‘Collaborative Innovation Center of Advanced Microstructures, Nanjing University, ...
A new class of binary iridium hydrides (IrxHy) is investigated in the 1 atm to 125 GPa pressure range at the ab initio level, using DFT. Upon compression a number of hydrides are predicted to stabilize in the excess hydrogen environment. Static stabilization pressure is calculated to be ∼14 and ∼5 GPa at which a dihydride (Ibam, Z = 2) and a trihydride (P63mc, Z = 2) stabilize thermodynamically...
The use in unmanned space craft of iridium to encapsulate the radioisotope thermoelectric generators, where temperatures of up to 20OO0C have to be withstood over several years of operation, with possible impact velocities of 90 metres per second, has focused greater attention on the remarkable properties of this member of the platinum group of metals. But these same properties of very high mel...
The iridium(III) cyclometalation of alkylated pyrene-benzimidazole ligands proceeds in an unprecedented manner. The resultant complexes display remarkably enhanced photooxidation capabilities using 1,5-dihydroxynaphthalene as a substrate.
The solvent induced polymorphism observed in a cyclometalated iridium(iii) ethylenediamine ionic complex is a new tool to modulate and enhance emission in the solid crystalline state.
Half-sandwich iridium complexes bearing hydroxyindanimine ligands were synthesized and employed as catalysts for the ROMP and vinyl-type polymerization of norbornene in the presence of methylaluminoxane (MAO).
Asymmetric cyclization of alkenoic acids was realized by the use of an iridium/chiral bisphosphine catalyst, giving high yields of the corresponding γ-lactones with good enantioselectivity.
Key words iridium catalysis - chiral phosphoric acid photocatalyst 2+2 cycloaddition
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