Niobium Oxide
Niobium Oxide structure
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Common Name | Niobium Oxide | ||
|---|---|---|---|---|
| CAS Number | 1313-96-8 | Molecular Weight | 265.81000 | |
| Density | 4.47 g/mL at 25ºC(lit.) | Boiling Point | N/A | |
| Molecular Formula | Nb2O5 | Melting Point | 1520ºC | |
| MSDS | Chinese USA | Flash Point | N/A | |
| Symbol |
GHS07 |
Signal Word | Warning | |
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Preparation and characterization of Ti/SnO(2)-Sb(2)O(3)-Nb(2)O(5)/PbO(2) thin film as electrode material for the degradation of phenol.
J. Hazard. Mater. 164(1) , 367-73, (2009) In this work, a novel electrode of titanium substrate coated with mixed metal oxides of SnO(2), Sb(2)O(3), Nb(2)O(5) and PbO(2) was successfully prepared using thermal decomposition and electrodeposition. The surface morphology and the structure of the prepar... |
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Raman spectroscopy, thermal and optical properties of TeO2-ZnO-Nb2O5-Nd2O3 glasses.
Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 89 , 149-54, (2012) The glasses with composition 75TeO2-10ZnO-(15-x)Nb2O5-xNd2O3 (0≤x≤9 mol%) were prepared using melt quenching method and their physical properties such as density (ρ), molar volume (VM), average crosslink density (nc¯), oxygen packing density (OPD) and number ... |
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Catalytic dehydration of fructose to 5-hydroxymethylfurfural over Nb2O5 catalyst in organic solvent.
Carbohydr. Res. 368 , 78-83, (2013) The catalytic dehydration of fructose to 5-hydroxymethylfurfural (HMF) in DMSO was performed over Nb2O5 derived from calcination of niobic acid at various temperatures (300-700 °C). The catalysts were characterized by powder X-ray diffraction, N2 physical ads... |
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Spectral and fluorescent kinetics features of Nd3+ ion in Nb2O5, Ta2O5 and La2O3 mixed lithium zirconium silicate glasses.
Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 81(1) , 498-503, (2011) Li(2)O-ZrO(2)-SiO(2):Nd(3+) glasses mixed with Nb(2)O(5), Ta(2)O(5) and La(2)O(3) were prepared. Optical absorption and photoluminescence spectra of these glasses have been recorded at room temperature. The Judd-Ofelt theory was successfully applied to charac... |
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Niobium oxide dispersed on a carbon–ceramic matrix, SiO2/C/Nb2O5, used as an electrochemical ascorbic acid sensor
Talanta 83(1) , 241-8, (2010) A film of niobium oxide was immobilized on a SiO 2/C carbon–ceramic matrix (specific surface area 270 m 2 g −1) and characterized by N 2 adsorption–desorption isotherms, scanning electron microscopy, X-ray photoelectron spectroscopy and atomic force microscop... |
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Efficient excitations of radially and azimuthally polarized Nd3+:YAG ceramic microchip laser by use of subwavelength multilayer concentric gratings composed of Nb2O5/SiO2.
Opt. Express 16(14) , 10841-8, (2008) Cylindrical vector beams were produced from laser diode end-pumped Nd:YAG ceramic microchip laser by use of two types of subwavelength multilayer gratings as the axisymmetric-polarization output couplers respectively. The grating mirrors are composed of high-... |
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Enhanced photovoltaic properties of Nb₂O₅-coated TiO₂ 3D ordered porous electrodes in dye-sensitized solar cells.
ACS Appl. Mater. Interfaces 4(11) , 5821-5, (2012) This paper describes the use of Nb₂O₅-coated TiO₂ 3D ordered porous electrodes in dye-sensitized solar cells. We employed bilayer inverse opal structures as a backbone of 3D porous structures, and the number of Nb₂O₅ coatings was controlled, determining the c... |
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Sulfur and iron co-doped titanoniobate nanosheets: a novel efficient solid acid catalyst for alcoholysis of styrene epoxide at room temperature.
Chem. Commun. (Camb.) 49(68) , 7507-9, (2013) Sulfur and iron co-doped titanoniobate nanosheets were prepared and evaluated in alcoholysis of styrene epoxide. The resultant co-doped catalyst exhibited excellent catalytic performance (yield of 99% with methanol as the nucleophile in only 1 h at room tempe... |
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Optical and dielectric properties of isothermally crystallized nano-KNbO3 in Er3+-doped K2O-Nb2O5-SiO2 glasses.
Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 75(1) , 243-50, (2010) Precursor glass of composition 25K(2)O-25Nb(2)O(5)-50SiO(2) (mol%) doped with Er(2)O(3) (0.5 wt% in excess) was isothermally crystallized at 800 degrees C for 0-100 h to obtain transparent KNbO(3) nanostructured glass-ceramics. XRD, FESEM, TEM, FTIRRS, dielec... |
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Synthesis of [3-(3-chloro-4-fluorophenyl)-2-oxo-3,4-dihydro-2H-2lambda5- benzo[e][1,3,2]oxazaphosphinin-2-yl]-(aryl/alkyl) methanols and their bioactivity on sugarcane smut.
J. Agric. Food Chem. 55(17) , 6933-9, (2007) Synthesis of some new substituted [3-(3-chloro-4-fluorophenyl)-2-oxo-3,4-dihydro-2H-2lambda(5)-benzo[e][1,3,2]oxazaphosphinin-2-yl]-(aryl/alkyl)methanols (7a-k) based on the Pudovick reaction was accomplished in the presence of niobium pentoxide (Nb(2)O(5)) w... |