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572365

Sigma-Aldrich

氧化钐掺杂的氧化铈(IV)

nanopowder, contains 15 mol % samarium as dopant

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别名:
SDC, 钐掺杂的二氧化铈
经验公式（希尔记法）:
CeO2
分子量:
172.11
MDL编号:
MFCD04974842
PubChem化学物质编号:
24880634

形式

nanopowder

包含

15 mol % samarium as dopant

组成

Ce0.85Sm0.15O2

反应适用性

reagent type: catalyst
core: cerium

粒径

<100 nm

应用

battery manufacturing

SMILES字符串

[Sm].O=[Ce]=O

InChI

1S/Ce.2O.Sm

InChI key

AQGZISMLQKBRRO-UHFFFAOYSA-N

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一般描述

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.

应用

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.

包装

Packaged in glass bottles

法规信息

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Oxygen vacancy ordering in heavily rare-earth-doped ceria.
Ou DR, et al.
Applied Physics Letters, 89(17) (2006)
Jun Zhang et al.
Scientific reports, 4, 7082-7082 (2014-11-19)
In this work, redox-active Mn or Cr is introduced to the B site of redox stable perovskite Sr(0.95)Ti(0.9)Nb(0.1)O3.00 to create oxygen vacancies in situ after reduction for high-temperature CO2 electrolysis. Combined analysis using X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron
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)
Diego H Sanchez et al.
PLoS genetics, 10(11), e1004806-e1004806 (2014-11-21)
Epigenetic mechanisms suppress the transcription of transposons and DNA repeats; however, this suppression can be transiently released under prolonged heat stress. Here we show that the Arabidopsis thaliana imprinted gene SDC, which is silent during vegetative growth due to DNA
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