Surface spectroscopic characterization of manganese/aluminum oxide catalysts

Strohmeier, Brian R.; Hercules, David M.

doi:10.1021/j150665a026

Cited by 347 publications

(161 citation statements)

References 1 publication

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“…The measured XPS binding energies corresponded with those of MnO. 23,24) This analysis was in agreement with the EELS spectra (Fig. 7) of the surface oxides, allowing for the conclusion that the external oxide species was MnO for all annealing conditions explored.…”

Section: Discussionsupporting

confidence: 81%

“…Binding energies were also measured from 5 nm below the steel surface for the O1s, Mn2p 3/2 and Mn2p 1/2 peaks and these correlated with those reported in the literature for MnO, with values of 530.3 eV, 641.4 eV and 654.1 eV, respectively. 23,24) It should be pointed out that the very low signal-to-noise ratio of Si2p peaks did not allow for accurate measurement of the binding energies.…”

Section: 7)mentioning

confidence: 99%

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Effect of Annealing Temperature on the Selective Oxidation and Reactive Wetting of a 0.1C-6Mn-2Si Advanced High Strength Steel During Continuous Galvanizing Heat Treatments

Pourmajidian

McDermid

2018

ISIJ International

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Section: Discussionsupporting

confidence: 81%

Section: 7)mentioning

confidence: 99%

Effect of Annealing Temperature on the Selective Oxidation and Reactive Wetting of a 0.1C-6Mn-2Si Advanced High Strength Steel During Continuous Galvanizing Heat Treatments

Pourmajidian

McDermid

2018

ISIJ International

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“…These values are higher than those of pristine Mn 2 O 3 (653.7 eV and 641.9 eV). 42 This increase in the binding energy of Mn 2p was caused by the interaction between manganese oxide and alumina during the synthetic process. 43 In addition, a higher binding energy of Al 2p (75.83 eV), compared to that in the pure Al 2 O 3 (74.60 eV), was observed in the Al 2p spectrum (Figure 7(b)).…”

Section: Resultsmentioning

confidence: 99%

Synthesis of Alumina-Grafted Manganese Oxide Particles Using Surfactants through Coprecipitation Method and Their Thermal Properties

Kwon¹,

Park²,

Jang³

et al. 2013

Bulletin of the Korean Chemical Society

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Alumina particles were grafted onto the surface of manganese oxide particles via the coprecipitation process using surfactant and cosurfactant. The phase of Mn/Al salts (Phase I) and the phase of precipitation agent (Phase II) were prepared in aqueous surfactant solution, separately. Phase II was added into Phase I and the reaction was performed to form the precursors of composites through hydrogen bonding between Mn(OH) 2 and Al(OH) 3 prepared by the reaction of Mn/Al salts with the precipitation agent. The alumina-grafted manganese oxide particles were obtained as a final product after calcination. The concentrations of Al salt and surfactant were varied to investigate their effects on the formation and the crystallinity of composites. In addition, the crystal structure of products could be controlled by changing the calcination temperature. Through thermal analyses, it was found that the thermal stability of manganese oxide was improved by the introduction of alumina on its surface.

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“…The nature of the manganese species in the catalysts is strongly influenced by the preparation conditions, such as the metal precursor, support used, loading, and calcination temperature (1)(2)(3)(4), and several oxidation states may coexist.…”

Section: Introductionmentioning

confidence: 99%

“…The extensive surface studies previously reported concern mostly manganese oxides supported on alumina and different spectroscopic methods, such as XRD, XPS, ISS, Raman and IR, TPD, and TPR, have been used (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14) for their structural elucidation.…”

Section: Introductionmentioning

confidence: 99%

Spectroscopic Investigation of Species Arising from CO Chemisorption on Titania-Supported Manganese

Kantcheva

Kucukkal

Süzer

2000

Journal of Catalysis

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. The adsorption of CO at room temperature on the catalysts studied results in formation of formate, carbonate, and hydrogen carbonate structures as well. It is found that the formation of formate species is associated with the Mn 3+ ions and the possible mechanism is discussed. The stabilization of the hydrogen carbonates is favored by Mn 2+ ions. The reduction of the catalyst studied with hydrogen strongly suppresses the adsorption of CO and is indicative of the occurrence of a strong metal-support interaction.

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Surface spectroscopic characterization of manganese/aluminum oxide catalysts

Cited by 347 publications

References 1 publication

Effect of Annealing Temperature on the Selective Oxidation and Reactive Wetting of a 0.1C-6Mn-2Si Advanced High Strength Steel During Continuous Galvanizing Heat Treatments

Effect of Annealing Temperature on the Selective Oxidation and Reactive Wetting of a 0.1C-6Mn-2Si Advanced High Strength Steel During Continuous Galvanizing Heat Treatments

Synthesis of Alumina-Grafted Manganese Oxide Particles Using Surfactants through Coprecipitation Method and Their Thermal Properties

Spectroscopic Investigation of Species Arising from CO Chemisorption on Titania-Supported Manganese

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