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Showing 1 to 20 of 38 for “"MoO3"”.
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Étude électrochrome des couches minces de trioxyde de molybdène MoO3
Les matériaux électrochromiques sont ceux dans lesquels il est possible de moduler les propriétés de transmission ou de réflexion sous l'action d'un courant ou d'un champ électrique. Cela rend ces matériaux très intéressants, notamment pour des applications industrielles dans la fabrication de …
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Visible Light Photocatalytic MoO3-Based Nanomaterials Synthesis, the Effect of Polymer Coatings on Their Photocatalytic Activity and Dissolution, and Their Applications in Water Treatment
… metal oxide semiconductors such as MoO3 have shown much promise in water decontamination as they can generate reactive oxygen species (ROS) that degrade pollutants. MoO3 is an environmentally friendly, low-cost, visible light photocatalyst that has gained much popularity in research …
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Investigation of the activity and selectivity of the MoO3/AI2O3 catalyst and the structural investigation using in-situ raman
Metathesis is a very versatile reaction, which allows the conversion of Simple, relatively inexpensive olefins into specialty, high-purity olefins which are useful intermediates in the fragrance, agricultural and many other specialty chemical industries. Supported molybdenum on alumina is an active …
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THE USE OF GASEOUS METAL OXIDE AS AN OXYGEN CARRIER IN COAL CHEMICAL LOOPING COMBUSTION
… reaction of activated charcoal with gas-phase MoO3 was studied for the first time. The experiments were conducted isothermally at different temperatures in a fixed-bed reactor. The apparent activation energy of the reaction was calculated and suitable kinetic models were determined. The results …
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ΜΕΛΕΤΗ ΤΗΣ ΕΠΙΔΡΑΣΗΣ ΟΞΕΙΔΙΩΝ ΣΤΟΙΧΕΙΩΝ ΜΕΤΑΠΤΩΣΕΩΣ ΣΤΙΣ ΧΗΜΙΚΕΣ ΚΑΙ ΦΥΣΙΚΟΜΗΧΑΝΙΚΕΣ ΙΔΙΟΤΗΤΕΣ ΤΟΥ ΚΛΙΝΚΕΡ
SUBJECT OF THE PRESENT THESIS IS THE INFLUENCE OF MOO3, NB2OR, WO3, AND ZRO2 ONTHE PROPERTIES OF CLINKER AND CEMENT. THE EFFECT OF THE PREVIOUS OXIDES ON THEPROCESSES OF RAW MATERIAL SINZERING AND CEMENT HYDRAMON WAS STUDIED BY MEANS OF DIFFERENTIAL SCANNING CALORIMETRY. X-RAY DIFFRACTION OPTICAL …
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From molybdenum based model catalysts to technically applied systems
… verschiedene Strukturfamilien (orthorhombisches MoO3, hexagonales MoO3, Mo36O1128- und Trimolybdat) erhalten. In Abhängigkeit vom pH-Wert liegen Mo7O246-, [HMo7O24]5-, a Mo8O264- und b Mo8O264- vor. Durch Potenzialmessungen und in situ Raman Spektroskopie konnte der Reaktionsmechanismus in Lösung …
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Molybdenum trioxide and molybdenum carbide as promising hydrodeoxygenation catalysts for biomass conversion
… step before being utilized as fuels. Recently, MoO3 and Mo2C have emerged as promising earth-abundant cheap catalysts that perform hydrodeoxygenation (HDO) at relatively low temperatures ( 673 K) and ambient H2 pressures wherein oxygen is selectively removed as water. However, there exists a …
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Barium Oxide as an Intermediate Layer for Polymer Tandem Solar Cell
… many kinds of intermediate layers such as ZnO/MoO3 etc. have been explored, most of them suffer from the low conductivity or complicated manipulation disadvantages. Barium oxide (BaO) is both high conductive and wide bandgap n-type semiconductor. We successfully fabricated the polymer tandem …
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Étude électro-optique des films minces d'oxyde de molybdène en vue de leur application au dispositif électrochrome
… L’investigation de l’aspect contre-électrode de MoO3 est réalisée par l’étude électro-optique du MoO3 en employant deux méthodes de lithiation des films: la initiation classique dans une solution de perchlorate de lithium dans le carbonate de propylène et la méthode de lithiation sèche développée …
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Non-traditional catalysis by plasmonic nanostructures
… potential of oxygen deficient molybdenum oxide (MoO3-x) nanostructures was explored for energy relevant reactions such as nitrogen (N2) reduction and hydrogen (H2) evolution. Through careful control experiments, it was revealed that this material did not exhibit visible-light enhanced catalysis …
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Synthesis and reactions of antimony allyloxides
… catalytic processes. Of interest is the MoO3/Sb2O3 catalyst used in the ammoxidation of propene to acrylonitrile. Simple molybdenum complexes have provided a model for the role of the MoO3/Sb2O 3 catalyst, but the role of the support is not well understood. In order to better understand …
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The influence of molybdenum and vanadium on the activity and selectivity of a cobalt Fischer-Tropsch catalyst
… influence on the selectivity by using commercial MoO3 and V2O5 supports, and alumina support was modified with molybdenum and vanadium in an attempt to create molybdenum and vanadium oxide layer covering the alumina surface.
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Engineering palladium-on-gold bimetallic nanoparticles as groundwater remediation catalysts
… developed for the synthesis of molybdenum oxide (MoO3) supported on zirconia (ZrO2) NPs. It was hypothesized that ZrO 2 NPs can support amorphous MoO3 as a thermally stable, highly active oxidation catalyst. MoOX/ZrO2 containing up to 23 wt% amorphous MoOX was successfully synthesized and the …
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Energy level engineering in colloidal quantum dot solar cells
… photovoltaics through the incorporation of a MoO3 interlayer between the PbS QD film and the top-contact anode. The deep-work-function MoO3 layer mitigates a Schottky junction that would otherwise form at the PbS / anode interface, resulting in performance improvements for devices employing a …
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