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203920

Sigma-Aldrich

Niobium(V) oxide

99.99% trace metals basis

Synonym(s):
Niobium pentoxide
Empirical Formula (Hill Notation):
Nb2O5
CAS Number:
Molecular Weight:
265.81
EC Number:
MDL number:
eCl@ss:
38180502
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

99.99% trace metals basis

form

powder

density

4.47 g/mL at 25 °C (lit.)

SMILES string

O=[Nb](=O)O[Nb](=O)=O

InChI

1S/2Nb.5O

InChI key

ZKATWMILCYLAPD-UHFFFAOYSA-N

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Application

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.

Packaging

10, 50, 250 g in poly bottle

Features and Benefits

Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Certificate of Origin

Garcia-Gonzalez, E. et al.
Chemistry of Materials, 11, 433-433 (1999)
Takashi Hisatomi et al.
Advanced materials (Deerfield Beach, Fla.), 24(20), 2699-2702 (2012-04-18)
A 2-nm thick Nb(2)O(5) underlayer deposited by atomic layer deposition increases the charge separation efficiency and the photovoltage of ultrathin hematite films by suppressing electron back injection. Absorbed photon-to-current efficiencies (APCE) as high as 40%, which are one of the
Leliz T Arenas et al.
Talanta, 83(1), 241-248 (2010-11-03)
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 microscopy. This new carbon-ceramic material, SiO(2)/C/Nb(2)O(5), was used
Multiple NaNbO3/Nb2O5 heterostructure nanotubes: a new class of ferroelectric/semiconductor nanomaterials.
Chenglin Yan et al.
Advanced materials (Deerfield Beach, Fla.), 22(15), 1741-1745 (2010-05-25)
Ning-Ping Huang et al.
Biomacromolecules, 12(12), 4213-4220 (2011-11-02)
The signal-to-noise ratio of a sensor system is determined by the affinity of its active component for the analyte on one hand and its inertness with respect to unrelated stimuli (noise) on the other hand. Nonspecific interactions between the environment

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