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Merck

572365

Cerium(IV) oxide-samarium doped

nanopowder, contains 15 mol % samarium as dopant

Synonym(s):

SDC, Samarium-doped ceria

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About This Item

Empirical Formula (Hill Notation):
CeO2
Molecular Weight:
172.11
UNSPSC Code:
26111700
PubChem Substance ID:
24880634
MDL number:
MFCD04974842

Key Documents

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InChI

1S/Ce.2O.Sm

SMILES string

[Sm].O=[Ce]=O

InChI key

AQGZISMLQKBRRO-UHFFFAOYSA-N

form

nanopowder

contains

15 mol % samarium as dopant

composition

Ce0.85Sm0.15O2

reaction suitability

reagent type: catalyst
core: cerium

particle size

<100 nm

application(s)

battery manufacturing

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Application

Cerium(IV) oxide-samarium doped can be used in the fabrication of solid oxide fuel cells (SOFCs), which can further be used as environmentally-friendly sources of alternative energy.

General description

Cerium(IV) oxide-samarium doped nanopowder (15% mol samarium doped) (SDC) is an electrolytic material with a high oxygen ion conductivity. Samarium ion acts as an aliovalent cation that can be incorporated into the host lattice to increase the oxygen vacancy concentration and improve the oxide ion conduction in cerium oxide. It can be synthesized by reverse strike co-precipitation technique.
Samarium doped ceria may be used as an electrolyte in solid oxide fuel cells (SOFCs). Electrical conductivity as a function of temperature of doped ceria was investigated in a study. Relation of dopant type, oxygen vacancy ordering and ionic conductivity was investigated by transmission electron microscopy and electron energy loss spectroscopy.

Packaging

Packaged in glass bottles

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

572365-100G: + 572365-BULK: + 572365-25G: + 572365-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
MKBK2954V
MKBH6814V
MKBG6919V
MKBD2040
55596MJ

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Harsharan K Singh et al.
Transplantation, 99(3), 609-615 (2014-08-20)
A qualitative highly predictive urinary test for polyomavirus nephropathy (PVN) is the PV-Haufen test. This article evaluates whether a quantitative PV-Haufen analysis, that is, the number of PV-Haufen shed per milliliter urine, predicts PVN disease grades and the severity of
AC impedance investigation of samarium-doped ceria."
Zhan Z, et al.
Journal of the Electrochemical Society, 148(5), A427-A432 (2001)
Intermediate-temperature electrochemical performance of a polycrystalline PrBaCo2O5+ δ cathode on samarium-doped ceria electrolyte.
Chen D, et al.
Journal of Power Sources, 188(1), 96-105 (2009)
Stephan Immenschuh et al.
Transplantation, 99(1), 56-62 (2014-08-15)
Treatment of patients with antibody-mediated rejection (AMR) after kidney transplantation by rituximab and plasmapheresis is ambiguous. Because of its unknown efficiency and serious side effects, biomarkers, which are predictive for responsiveness to this treatment in AMR patients, are required. Twenty
Oxygen vacancy ordering in heavily rare-earth-doped ceria.
Ou DR, et al.
Applied Physics Letters, 89(17) (2006)
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