Characterization of active sites on AgHf2(PO4)3 in butan-2-ol conversion

Brik, Youness; Kacimi, M. El; Bozon‐Verduraz, François; Ziyad, Mahfoud

doi:10.1016/s1387-1811(00)00353-x

Cited by 52 publications

(17 citation statements)

References 21 publications

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“…Their high ionic conductivity, low thermal expansion behavior, host for radio active waste, fairly large surface area (hence used as catalyst supports) and ability to accommodate ions in the lattice make them worthy of investigation [5][6][7][8][9][10][11][12]. Nasicon is a solid solution of NaZr 2 P 3 O 12 (NZP) and Na 4 Zr 2 Si 3 O 12 .…”

Section: Introductionmentioning

confidence: 99%

Preparation, characterization, impedance and thermal expansion studies of Mn0.5MSb(PO4)3 (M=Al, Fe and Cr)

Anantharamulu

Rao

Vithal

et al. 2009

Journal of Alloys and Compounds

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Section: Introductionmentioning

confidence: 99%

Preparation, characterization, impedance and thermal expansion studies of Mn0.5MSb(PO4)3 (M=Al, Fe and Cr)

Anantharamulu

Rao

Vithal

et al. 2009

Journal of Alloys and Compounds

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“…As is known, the limiting stage of the dehydrogenation of an aliphatic alcohol is the reduction and reoxidation of the M n+ active center [9,17]. Then the following reactions can be recorded for the α phase in the case of the copper ion:…”

Section: Resultsmentioning

confidence: 99%

The Role of Structure and Conductivity of Perovskites Bi4V2−2x M2x O11−δ (M = Cu2+, Fe3+, Zr4+) in the Catalytic Dehydrogenation of Isobutanol

Михаленко

Povarova

Пылинина

2016

Russ. J. Phys. Chem.

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The catalytic activity of solid electrolytes from the family of complex bismuth vanadates Bi 4 V 2 -2x M 2x O 11 -δ (BIMEVOX) with V 5+ ions partially substituted by 3d metal cations was studied. In the transformations of isobutanol, it was found to depend on the crystal structure (α, β, γ Aurivillius phases), which changes at increased dopant ion contents (х М ). The highly conductive tetragonal γ phase was most active for all BIMEVOX oxides. The activation energy of the dehydrogenation of isobutanol Е increased linearly with the charge of the M n+ ion and activation energy of conductivity of the γ phase of BIMEVOX in the series Cu 2+ → Fe 3+ → Zr 4+ .

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“…This instance resembles the so-called "A-center" in silicon crystals after irradiation, where interstitial oxygen atoms move to silicon atom vacancies generated Influence on the charge transport with porous zeolite at irradiation; they then form oxygen + vacancy complexes. 22 More studies with ZC ir are necessary to determine the highest possible enhancement for the efficiency of the plasma light source.…”

Section: Investigation Of Conductivity Properties Of the Gas Dischargmentioning

confidence: 99%

Peculiarities of the charge transport in the gas discharge electronic device with irradiated porous zeolite

et al. 2015

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The influence of pressure and β-radiation (1 kGy β doses) on the charge transport mechanism, charge trapping effects in porous zeolite surfaces and breakdown voltage (U B ) are discussed in atmospheric microplasmas for the first time. This is due to exposure the zeolite cathode (ZC) to β-radiation resulting in substantial decreases in the U B , discharge currents and conductivity due to increase in porosity of the material. Results indicated that the enhancement of plasma light intensity and electron emission from the ZC surface with the release of trapped electrons which are captured by the defect centers following β-irradiation. The porosity of the ZC and radiation defect centers has significant influence on the charge transport of the microstructure and optical properties of the devices manufactured on its base. Thus, we confirm that the ZC ir is a suitable cathode material for plasma light source, field emission displays, energy storage devices and low power gas discharge electronic devices.

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Characterization of active sites on AgHf2(PO4)3 in butan-2-ol conversion

Cited by 52 publications

References 21 publications

Preparation, characterization, impedance and thermal expansion studies of Mn0.5MSb(PO4)3 (M=Al, Fe and Cr)

Preparation, characterization, impedance and thermal expansion studies of Mn0.5MSb(PO4)3 (M=Al, Fe and Cr)

The Role of Structure and Conductivity of Perovskites Bi4V2−2x M2x O11−δ (M = Cu2+, Fe3+, Zr4+) in the Catalytic Dehydrogenation of Isobutanol

Peculiarities of the charge transport in the gas discharge electronic device with irradiated porous zeolite

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