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572357

Sigma-Aldrich

Cerium(IV) oxide-gadolinium doped

greener alternative

nanopowder, contains 20 mol % gadolinium as dopant

Synonym(s):
Gadolinium doped ceria
Empirical Formula (Hill Notation):
CeO2
Molecular Weight:
172.11
MDL number:
PubChem Substance ID:
NACRES:
NA.23

form

nanopowder

Quality Level

contains

20 mol % gadolinium as dopant

composition

Ce0.8Gd0.2O2

reaction suitability

reagent type: catalyst
core: cerium

greener alternative product characteristics

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particle size

<100 nm

surface area

>100 m2/g

greener alternative category

SMILES string

[Gd].O=[Ce]=O

InChI

1S/Ce.Gd.2O

InChI key

ZBPTVGKVCOMWPA-UHFFFAOYSA-N

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This Item
572330734519734667
Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

form

nanopowder

form

nanopowder

form

powder

form

pellets (for sputtering)

contains

20 mol % gadolinium as dopant

contains

10 mol % gadolinium as dopant

contains

10 mol % gadolinium as dopant

contains

20 mol % gadolinium as dopant

composition

Ce0.8Gd0.2O2

composition

Ce0.9Gd0.1O2

composition

Gd0.1Ce0.9O1.95

composition

Gd0.2Ce0.8O1.9

reaction suitability

reagent type: catalyst
core: cerium

reaction suitability

reagent type: catalyst
core: cerium

reaction suitability

-

reaction suitability

-

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

General description

Cerium(IV) oxide-gadolinium doped nanopowder (20 mol% gadolinium doped) is an electrolytic material with a high oxygen-ion conductivity, which operates at low temperatures. It can be prepared by a variety of methods such as sol-gel, wet chemical process, co-precipitation, hydrothermal and other combustion routes.
Gadolinium doped ceria may be prepared by cation complexation sol gel technique. XRD, specific surface area, morphology has been described in a study. Higher oxygen ion conductivity of GDC over zirconia based materials makes it a preferable choice for some components of SOFCs.
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Application

Gadolinium doped ceria (GDC) may be used as an intermediate temperature electrolyte for solid oxide fuel cells (SOFCs) at elevated temperatures.

Packaging

Packaged in glass bottles

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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