نتایج جستجو برای: niii
تعداد نتایج: 239 فیلتر نتایج به سال:
transition-metal-substituted (tms) polyoxometalates of the general formula [siw9m3o39], (where m = first row transition metal), has been synthesized and supported on anatase by sol–gel method under oil-bath condition. the tetrabutylammonium (tba) salts of the keggin-type polyoxotungstates [siw9m3o39], (m = vii, crii, mnii, feii coii and niii), proved to be green, reusable, and ...
Catalytic activity and stability of iron hexacyanocobaltate (FeIII[CoIII(CN)6], Fe–Co) for organophosphate hydrolysis are improved by doping divalent metal ions (MII = MnII, NiII, or CuII). The catalytic a series (FeIII0.8MII0.3)[CoIII(CN)6] (FeM–Co compounds) was examined in mixed solution water ethanol [9:1 (v/v)] containing disodium p-nitrophenyl phosphate (p-NPP) at 60 °C. FeM–Co compounds ...
Four Ni–phen complexes were prepared and characterized by FTIR thermal analysis. The X-ray structure determination shows that the geometry around NiII ions in 1, [Ni(phen)2(H2O)(ONO2)](NO3); 2, [Ni(phen)2(H2O)Cl]Cl; 3, [Ni(phen)(CH3CN)(ONO2)(O2NO)] 4, [Ni(phen)3](NO3)2.H2O.C2H5OH is considerably distorted octahedral. coordination core geometries 3 4 are NiN4O2, NiN4OCl, NiN3O3 NiN6, respectivel...
A new family of 3d–4f coordination polymers with the molecular formula [NiIILnIII(L)(dca)2(NO3)]n [Ln = Eu (1), Gd (2), Tb (3), Dy (4), and Ho (5); H2L N,N?-bis(2-hydroxy-3-methoxy-5-methylbenzyl)homopiperazine; dca dicyanamide] has been synthesized in search for single-molecule magnet (SMM) materials containing highly anisotropic lanthanides. The magnetic properties these have established by D...
The aluminum-based metal-organic framework (MOF) made from 2-aminoterephthalate is a photocatalyst for oxygen evolution. This MOF can be modified by incorporating Ni2+ cations into the pores through coordination to the amino groups, and the resulting MOF is an efficient photocatalyst for overall water splitting.
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