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208515
Niob(V)-oxid
−325 mesh, 99.9% trace metals basis
Synonym(e):
Niobpentoxid
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About This Item
Empirische Formel (Hill-System):
Nb2O5
CAS-Nummer:
Molekulargewicht:
265.81
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352303
PubChem Substanz-ID:
NACRES:
NA.23
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Assay
99.9% trace metals basis
Form
powder
Partikelgröße
−325 mesh
Dichte
4.47 g/mL at 25 °C (lit.)
SMILES String
O=[Nb](=O)O[Nb](=O)=O
InChI
1S/2Nb.5O
InChIKey
ZKATWMILCYLAPD-UHFFFAOYSA-N
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Allgemeine Beschreibung
Niobium(V) oxide, also known as niobium pentoxide, is a white crystalline powder. It is a refractory metal oxide with a high melting point of over 2500 °C and high chemical stability, including to oxygen and moisture. Niobium(V) oxide is mainly used as a raw material in the production of niobium and niobium alloys, as a catalyst in chemical reactions, and as a refractory material in high-temperature applications. It is also used as a dielectric material in capacitors and as a pigment in ceramics and glasses.
Anwendung
Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.
Promising results were obtained using niobium(V) oxide as an alternate electrode to lithium metal in advanced fuel cells.
Leistungsmerkmale und Vorteile
Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.
Lagerklassenschlüssel
11 - Combustible Solids
WGK
nwg
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
dust mask type N95 (US), Eyeshields, Gloves
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Garcia-Gonzalez, E. et al.
Chemistry of Materials, 11, 433-433 (1999)
Hye-Na Kim et al.
ACS applied materials & interfaces, 4(11), 5821-5825 (2012-11-17)
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 concentration
Edmar Martendal et al.
Journal of hazardous materials, 161(1), 450-456 (2008-05-06)
In this study a new method for chromium speciation in water using solid phase extraction coupled to a flow injection system and flame atomic absorption spectrometry was developed. The adsorption behavior of Cr(III) and Cr(VI) on Nb2O5-SiO2 allowed the selective
Robert L Karlinsey et al.
Bioinspiration & biomimetics, 1(1), 12-19 (2007-08-03)
The formation aspects of a polycrystalline self-assembled bioceramic leading to the nucleation of hard-tissue mineral from a supersaturated solution are discussed. Scanning electron imaging and surface-sensitive interrogations of the nucleated mineral indicated the presence of an intermediate amorphous layer encompassing
Fabrication and characterization of MIM diodes based on Nb/Nb2O5 via a rapid screening technique.
Prakash Periasamy et al.
Advanced materials (Deerfield Beach, Fla.), 23(27), 3080-3085 (2011-05-25)
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