-
Article
Synthesis, structure and the e.s.r. spectrum of the mixed-valence molybdovandate Na2(NH4)4[(VIVVV8Mo)O28] · 10H2O
The mixed-valence molybdovanadate compound Na2(NH4)4[VIVVV 8Mo)O28] · 10H2O [Vanadata(6-)tetradeca-μ-oxotetra-μ3-oxodi-μ6-oxoheptaoxo(oxomolybdate) nonatetrammonium disodium, decahydrate] has been synthesized fro...
-
Article
Synthesis, crystal structure and magnetic properties of A[Ni(mnt)2] complexes [A = 1-(4-nitrobenzyl)quinolinium or 1-benzylpyridinium; mnt2− = maleonitriledithiolate]
Two new ion-pair complexes A[Ni(mnt)2], [A = 1-(4-nitrobenzyl)quinolinium (1), and 1-benzylpyridinium (2)] have been prepared and characterized. The crystal structure of (1) has been determined by X-ray diffracti...
-
Article
Synthesis, crystal structure, and properties of [Cu(LH)]2[M(mnt)2] [M = Ni or Cu; H2L = 3,3′-(1,3-propanediyldinitrilo)-bis(2-butanone oxime); mnt2− = maleonitriledithiolate] complexes containing bridging cyano groups
Interesting complexes containing a mnt2− bridge, based on the reaction of [M(mnt)2]2− [M = Ni or Cu] with [Cu(LH)]+, have been prepared and characterized by e.s.m.s., i.r and u.v–vis. spectroscopic techniques and...
-
Article
Racemic titanium(IV) complexes of salicylideneamino acids
New racemic complexes of titanium with Schiff bases derived from condensation of salicylaldehyde with dl-alanine (H2Sal-dl-Ala) and dl-valine (H2Sal-dl-Val) have been prepared. The crystal structure of [(Sal-dl-V...
-
Article
Improvement of the hydrogen-storage performances of Li–Mg–N–H system
Li2MgN2H2 can reversibly store more than 5.5 wt% hydrogen. However, the high activation energy of hydrogen desorption poses a kinetic barrier for low-temperature operation. In this work, the composition of the Li...
-
Article
Effects of Ce-Based Dopants on the Hydrogen Storage Material of NaAlH4
Cerium in various chemical forms was introduced into NaAlH4 to study the hydrogen sorption properties of the resulted material. Although all the Ce precursors tested in this work resulted in a reversible hydrogen...
-
Article
Influence of TiO2 impregnated with a novel copper(II) carboxylic porphyrin and its application in photocatalytic degradation of 4-Nitrophenol
A novel 5,15-di-[4-carboxylatomethoxy]phenyl-10,20-diphenylporphyrin, its copper complex and the corresponding metalloporphyrin-TiO2 photocatalyst were synthesized and characterized by DRS, SEM, XRD, and FT–IR. T...