Rapid synthesis, structure and photocatalysis of pure bismuth A-site perovskite of Bi(Mg3/8Fe2/8Ti3/8)O3Electronic supplementary information (ESI) available. See DOI: 10.1039/c3dt53621a
Bi(Mg 3/8 Fe 2/8 Ti 3/8 )O 3 , a member of a small group of pure Bi 3+ A site perovskites, exhibiting a high ferroelectric Curie point ( T c ), was rapidly synthesized by a sample method of molten salt synthesis. The purity of Bi(Mg 3/8 Fe 2/8 Ti 3/8 )O 3 samples is directly affected by the reaction...
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Main Authors | , , , , , , , , |
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Format | Journal Article |
Language | English |
Published |
28.05.2014
|
Online Access | Get full text |
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Summary: | Bi(Mg
3/8
Fe
2/8
Ti
3/8
)O
3
, a member of a small group of pure Bi
3+
A site perovskites, exhibiting a high ferroelectric Curie point (
T
c
), was rapidly synthesized by a sample method of molten salt synthesis. The purity of Bi(Mg
3/8
Fe
2/8
Ti
3/8
)O
3
samples is directly affected by the reaction conditions such as the soaking temperature, and the heating and cooling rates. The as-prepared Bi(Mg
3/8
Fe
2/8
Ti
3/8
)O
3
particles are well-formed, cube-shaped single-crystals with sizes ranging from 200-300 nm. The chemical states of Bi and Fe ions are Bi
3+
and Fe
3+
in Bi(Mg
3/8
Fe
2/8
Ti
3/8
)O
3
. UV-vis diffuse reflectance spectra and preliminary photocatalytic experiments indicate that the pure Bi
3+
A site perovskite of Bi(Mg
3/8
Fe
2/8
Ti
3/8
)O
3
has a suitable energy bandgap (1.86 eV) and shows obvious photocatalytic activity for the decolorization of methyl blue under visible-light irradiation. The present work suggests potential future applications of Bi(Mg
3/8
Fe
2/8
Ti
3/8
)O
3
in photocatalysis and ferroelectric photovoltaic effects.
Pure bismuth A-site perovskite Bi(Mg
3/8
Fe
2/8
Ti
3/8
)O
3
particles were prepared by a sample molten salt synthesis. |
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Bibliography: | 10.1039/c3dt53621a Electronic supplementary information (ESI) available. See DOI |
ISSN: | 1477-9226 1477-9234 |
DOI: | 10.1039/c3dt53621a |