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Document Details
Document Type
Document Title
: Article In Conference
: Hydrothermal synthesis and photocatalytic
properties of CaSnO3 nanocrystals
Hydrothermal synthesis and photocatalytic
properties of CaSnO3 nanocrystals
Subject
Document
Language
Abstract
: ‫ءك يم يا‬
: English
: Perovskite CaSnO3 nanocrystals with
morphologies of microcubes have been
successfully achieved by a facile hydrothermal
process and subsequent heat-treatment process.
The structure and morphologies of the assynthesized samples were characterized by Xray diffractometer (XRD), scanning electron
microscope (SEM), transmission electron
microscope (TEM), and UV–vis diffuse
reflectance spectroscopy (DRS). The influence
of the pH value on the formation of CaSn(OH)6
intermediate, and the following heat-treatment
temperature required for the synthesis of
CaSnO3 were investigated. The results show
that the CaSn(OH)6 can be prepared at the pH
of 13, while the CaSnO3 can be obtained above
the heat-treatment temperature of 600oC. The
UV-vis DRS shows the samples exhibit a band
gap of about 4.3 eV. The microcube
morphologies of the as-prepared samples were
observed by SEM and TEM. The CaSnO3 is
found to be an effective photocatalyst at the
first time. The nanocrystal sample obtained at
800oC show the highest photocatalytic activity
for degradation of methyl orange under 254nm
UV lights.
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Conference Name
Duration
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0
Publishing Year
Article Type
Added Date
: Tenth International Symposium on
Heterogeneous Catalysis
: From : 22/8/1429 AH - To : 26/8/1429 AH
From : 23/8/2008 AD - To : 27/8/2008 AD
: 1429 AH
2008 AD
: Article
: Saturday, February 21, 2009
Researchers
Researcher Name Researcher Name Researcher
Dr
Email
(Arabic)
(English)
Type
Grade
Wanjun Wang
Wanjun Wang
Researcher Doctorate
Jinhong Bi
Jinhong Bi
Researcher Doctorate
Ruigen Chen
Ruigen Chen
Researcher Doctorate
Ling Wu
Ling Wu
Researcher Doctorate
Xianzhi Fu
Xianzhi Fu
Researcher Doctorate
Files
File Name
18542.pdf
Type
pdf
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