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Merck
CN

734667

Sigma-Aldrich

Gadolinium-doped ceria

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pellets (for sputtering), contains 20 mol % gadolinium as dopant

Synonym(s):

Cerium(IV) oxide-gadolinium doped, Cerium-gadolinium oxide, GDC-20, Gadolinium doped ceria

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About This Item

Empirical Formula (Hill Notation):
CeO2
Molecular Weight:
172.11
MDL number:
MFCD04040745
UNSPSC Code:
26111700
PubChem Substance ID:
329764916
NACRES:
NA.23

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Product Name

Cerium(IV) oxide-gadolinium doped, pellets (for sputtering), contains 20 mol % gadolinium as dopant

form

pellets (for sputtering)

contains

20 mol % gadolinium as dopant

composition

Gd0.2Ce0.8O1.9

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sustainability

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diam. × L

2-3 mm × 3-5 mm

greener alternative category

, Enabling

SMILES string

[Gd].O=[Ce]=O

InChI

1S/Ce.Gd.2O

InChI key

ZBPTVGKVCOMWPA-UHFFFAOYSA-N

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General description

Cerium(IV) oxide-gadolinium doped pellets (20 mol% gadolinium doped) (GDC-20) is an electrolytic material with high oxygen-ion conductivity, which operates at low temperatures. It can be prepared by a variety of methods such as sputtering, aerosol deposition, sol-gel, wet chemical process, co-precipitation, hydrothermal and other combustion routes.
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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.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBG4561

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Electrical conductivity of RF-sputtered Gd-doped ceria film measured in across-plane mode
Kim SW and Choi GM
Solid State Ionics, 309(7), 58-62 (2017)
Hugo J Avila-Paredes et al.
Physical chemistry chemical physics : PCCP, 11(38), 8580-8585 (2009-09-24)
We report a correlation between oxygen ionic conductivity and the enthalpy of formation of trivalent-doped ceria from the component binary oxides observed at relatively low temperatures (150-275 degrees C). The bulk conductivities of La-doped ceria samples identical to those previously
Chemically-induced stresses in gadolinium-doped ceria solid oxide fuel cell electrolytes
Atkinson A, et al.
Solid State Ionics, 95(3-4), 249-258 null
Synthesis and properties of Gadolinium-doped ceria solid solutions for IT-SOFC electrolytes
Fuentes RO and Baker RT
International Journal of Hydrogen Energy, 33(13), 3480-3484 (2008)
Kowalski, K.
Diffusion and Defect Data, Solid State Data, Part A, 769-769 (2009)
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