Sol-gel synthesis and characterization of SrFeCo0.5O3.25-δ powder

Wanqin Jin; Isaac Robin Abothu; Rong Wang; Tai Shung Chung

doi:10.1021/ie010810z

Sol-gel synthesis and characterization of SrFeCo_0.5O_3.25-δ powder

Wanqin Jin, Isaac Robin Abothu, Rong Wang, Tai Shung Chung^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

SrFeCo_0.5O_3.25-δ powder was synthesized by a sol-gel processing from metal alkoxides. The powder synthesized was characterized by X-ray diffraction, scanning electron microscopy (SEM), BET surface area measurements, particle size analysis, and thermogravimetric analysis (TGA). The synthesized oxide consisted of three phases: a main perovskite phase with an amount of a perovskite-related layered phase and a trace spinel phase. The powder calcined at 850°C in air for 4 h exhibited a uniform rod-shaped morphology with a particle size of about 300 nm and a surface area of 2.1 m²/g. The average agglomerate size was about 3 μm. TGA data showed that the powder was of larger oxygen nonstoichiometry at high temperature in air. Experimental results demonstrate that sol-gel processing is a very effective technique for synthesizing submicron SrFeCo_0.5O_3.25-δ powders.

Original language	English (US)
Pages (from-to)	5432-5435
Number of pages	4
Journal	Industrial and Engineering Chemistry Research
Volume	41
Issue number	22
DOIs	https://doi.org/10.1021/ie010810z
State	Published - Oct 30 2002
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering

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title = "Sol-gel synthesis and characterization of SrFeCo0.5O3.25-δ powder",

abstract = "SrFeCo0.5O3.25-δ powder was synthesized by a sol-gel processing from metal alkoxides. The powder synthesized was characterized by X-ray diffraction, scanning electron microscopy (SEM), BET surface area measurements, particle size analysis, and thermogravimetric analysis (TGA). The synthesized oxide consisted of three phases: a main perovskite phase with an amount of a perovskite-related layered phase and a trace spinel phase. The powder calcined at 850°C in air for 4 h exhibited a uniform rod-shaped morphology with a particle size of about 300 nm and a surface area of 2.1 m2/g. The average agglomerate size was about 3 μm. TGA data showed that the powder was of larger oxygen nonstoichiometry at high temperature in air. Experimental results demonstrate that sol-gel processing is a very effective technique for synthesizing submicron SrFeCo0.5O3.25-δ powders.",

author = "Wanqin Jin and Abothu, {Isaac Robin} and Rong Wang and Chung, {Tai Shung}",

year = "2002",

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doi = "10.1021/ie010810z",

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journal = "Industrial and Engineering Chemistry Research",

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T1 - Sol-gel synthesis and characterization of SrFeCo0.5O3.25-δ powder

AU - Jin, Wanqin

AU - Abothu, Isaac Robin

AU - Wang, Rong

AU - Chung, Tai Shung

PY - 2002/10/30

Y1 - 2002/10/30

N2 - SrFeCo0.5O3.25-δ powder was synthesized by a sol-gel processing from metal alkoxides. The powder synthesized was characterized by X-ray diffraction, scanning electron microscopy (SEM), BET surface area measurements, particle size analysis, and thermogravimetric analysis (TGA). The synthesized oxide consisted of three phases: a main perovskite phase with an amount of a perovskite-related layered phase and a trace spinel phase. The powder calcined at 850°C in air for 4 h exhibited a uniform rod-shaped morphology with a particle size of about 300 nm and a surface area of 2.1 m2/g. The average agglomerate size was about 3 μm. TGA data showed that the powder was of larger oxygen nonstoichiometry at high temperature in air. Experimental results demonstrate that sol-gel processing is a very effective technique for synthesizing submicron SrFeCo0.5O3.25-δ powders.

AB - SrFeCo0.5O3.25-δ powder was synthesized by a sol-gel processing from metal alkoxides. The powder synthesized was characterized by X-ray diffraction, scanning electron microscopy (SEM), BET surface area measurements, particle size analysis, and thermogravimetric analysis (TGA). The synthesized oxide consisted of three phases: a main perovskite phase with an amount of a perovskite-related layered phase and a trace spinel phase. The powder calcined at 850°C in air for 4 h exhibited a uniform rod-shaped morphology with a particle size of about 300 nm and a surface area of 2.1 m2/g. The average agglomerate size was about 3 μm. TGA data showed that the powder was of larger oxygen nonstoichiometry at high temperature in air. Experimental results demonstrate that sol-gel processing is a very effective technique for synthesizing submicron SrFeCo0.5O3.25-δ powders.

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U2 - 10.1021/ie010810z

DO - 10.1021/ie010810z

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JO - Industrial and Engineering Chemistry Research

JF - Industrial and Engineering Chemistry Research

IS - 22

ER -

Sol-gel synthesis and characterization of SrFeCo_0.5O_3.25-δ powder

Abstract

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