HfO2 and V2O5 as multi-layer thin films are discussed for their potential use transparent heat mirrors. Multi-layered HfO2/V2O5/HfO2 with a thickness of 100/60/100 nm were prepared via e-beam evaporation on soda–lime glass substrate. Rutherford backscattering confirmed the structure uniform surface. The as-deposited annealed at 300 °C 400 °C, respectively, 1 h in air. transmittance approximatel...

Ca poisoning behavior is inevitable for high-calcium content flue gas, so V2O5-WO3/TiO2 (VWT) and V2O5-WO3-CeO2/TiO2 (VWCeT) catalysts with different vanadium have been prepared the Ca-doped are compared in this manuscript. The result shows Ce addition can both promote NO conversion alkali resistance. Lower 0.1VWCeT catalyst promotes its oxidability modification more suitable low catalysts. tot...

The aim of this paper is to investigate the photocatalytic properties and chemical durability CaO-B2O3-V2O5 glasses system. latter were synthesized by melt-quenching technique. amorphous nature prepared borovanadate has been confirmed with X-ray diffraction. measured from their weights before after immersion in deionized water hydrochloric acid indicated that replacing V2O5 B2O3 improved durabi...

In this work, vanadium pentoxide (V2O5) thin films were prepared using rf magnetron sputtering on silicon wafer and glass substrates from V2O5 target at 200 °C substrate temperature, followed by annealing 400 500 in air for 2 h. The examined X-ray diffraction (XRD), forier transform infra-red spectroscopy (FTIR), UV-visible absorbance, direct current coductivity to study the effects of temperat...

An efficient protocol for the selective oxidation of primary alcohols to aldehydes withH5IO6/V2O5 in ionic liquid [bmpy][PF6] has been developed. High yields of the products, mildreaction conditions and simple experimental procedure make this protocol complementary tothe existing methods. The catalyst can be reused for several times without obvious loss of thecatalytic activity.

Raman, UV-Vis and X-ray photoelectron spectroscopy were combined in one experimental setup to directly study the interplay between structure and dispersion of SBA-15 supported vanadium oxide during dehydration. The fully hydrated catalyst is slightly reduced but consists mainly of V species with pseudo-octahedral V coordination strongly resembling the xerogel V2O5·1.2H2O. After dehydration a hi...

The nomenclature of selected vanadium compounds is given in Table 1. Chem. Abstr. Serv. Reg. No.: 1314-62-1 Deleted CAS Reg. No.: 12503-98-9; 56870-07-6; 87854-55-5; 87854-56-6; 16616537-3; 172928-47-1; 184892-22-6; 200577-85-1; 203812-34-4; 251927-12-5; 41054690-6 Chem. Abstr. Serv. Name: Vanadium oxide (V2O5) IUPAC Systematic Name: Vanadium oxide Synonyms: CI 77938; divanadium pentaoxide; pen...

The structure of the glass forming system (V2O5)x – (Na2O · P2O5)(1–x), (x = 0–0.4), has been investigated using Raman spectroscopy. The stretching vibrations of various phosphate groups, connected to phosphorus or vanadium atoms, have been assigned. Variation of the composition leads to structural changes where the sodium metaphosphate -P–O–P-chains break and then reconnect with the oxovanadiu...