Molybdenum 1994

Morris, Michael J.

doi:10.1016/0010-8545(96)01275-1

Cited by 20 publications

(2 citation statements)

References 369 publications

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“…It is well known that halides have the ability to complex with Mo species of different valence. 19,20 Studies on bulk Mo oxides (not metallic Mo) resulted in different views on the origin of the redox peaks. 5,6 Anbananthan et al assigned the minor redox peak to Mo(VI)/Mo(V) reduction and the major redox peak to the formation of Mo bronzes due to the removal of O ions and the associated structural relaxation.…”

Section: Resultsmentioning

confidence: 99%

A Mechanism for Origin of Reversible Redox Transitions of Molybdenum/Surface Molybdenum Oxides

Saji¹,

Lee²

2014

J. Electrochem. Soc.

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A model is proposed on the origin of the reversible redox transitions of molybdenum (Mo) and its oxides. The major and minor redox transitions are proposed to be associated with two thermodynamically non-equivalent adsorption sites at the structured surface oxides. Anion interaction/adsorption was found to be a decisive factor. The criterion is based on the combination of evidences and assumptions and is derived from the variations observed in the two redox transitions during a series of cyclic voltammetry (CV), linear sweep voltammetry (LSV), electrochemical impedance spectroscopy (EIS), and open circuit potential (OCP) transient studies.The experiments were conducted using different electrolytes with dissimilar anions (Cl − , SO 4 2− and ClO 4 − ) and spanned a range of different pH values. The results described herein constitute an important step towards understanding the interfacial electrochemical processes of Mo and its oxides, and will be of use for a wide range of their applications.

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Section: Resultsmentioning

confidence: 99%

A Mechanism for Origin of Reversible Redox Transitions of Molybdenum/Surface Molybdenum Oxides

Saji¹,

Lee²

2014

J. Electrochem. Soc.

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“…, known as Mimoun complexes, [15][16][17] present a trigonal bipyramid coordination polyhedron for the Mo atom with the oxo group in the apical position trans to one of the L 1 or L 2 ligand, with the other ligand occupying the equatorial position together with the peroxo groups. [18][19][20][21] The MoO(O 2 ) 2 (OPy)(H 2 O) complex has been shown to be a very effective agent for oxygen-transfer reactions of a wide class of substrates including the oxidation of a series of sulphides to sulphoxides.…”

Section: Introductionmentioning

confidence: 99%

Peroxo Complexes of Molybdenum(VI) Containing Mannich Base Ligands

et al. 2009

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The molybdenum(VI)-peroxo complexes containing Mannich base ligands having a formula as [MoO(O 2 [where L-L＝morpholinobenzyl benzamide (MBB), piperidinobenzyl benzamide (PBB), morpholinobenzyl urea (MBU), piperidinobenzyl urea (PBU), morpholinobenzyl thiourea (MBTU), piperdinobenzyl thiourea (PBTU)] have been synthesized and characterized by physico-chemical, electrochemical techniques and TGA/DTA studies. The complexes have been prepared by stirring ammonium molybdate and excess of 30% aqueous-H 2 O 2 and then treatment with ethanolic solution of the ligand. Studies revealed that these complexes were non-electrolytes and diamagnetic in nature. The ligands are bound to metal in a bidentate mode through carbonyl oxygen/thiocarbonyl sulphur and the ring nitrogen. The cyclic voltammograms of the complexes show two quasi-reversible steps involving complexes. The complexes have also been tested for antibacterial activity against Salmonella and Kleibsella. The antibacterial study of the ligands and complexes indicate that the complexes exhibit higher activity than the free ligands.

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ChemInform Abstract: Molybdenum 1994

Morris¹

1996

ChemInform

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Molybdenum 1994

Cited by 20 publications

References 369 publications

A Mechanism for Origin of Reversible Redox Transitions of Molybdenum/Surface Molybdenum Oxides

A Mechanism for Origin of Reversible Redox Transitions of Molybdenum/Surface Molybdenum Oxides

Peroxo Complexes of Molybdenum(VI) Containing Mannich Base Ligands

ChemInform Abstract: Molybdenum 1994

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