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King Abdulaziz University
Document Details
Document Type
Document Title
: Article In Conference
: SYNTHESIS OF NANO VANADIUM
PENTOXIDE (V2O5) AND ITS CATALYTIC
PROPERTIES FOR OZONOLISIS OF OLEIC
ACID
SYNTHESIS OF NANO VANADIUM
PENTOXIDE (V2O5) AND ITS CATALYTIC
PROPERTIES FOR OZONOLISIS OF OLEIC
ACID
Subject
Document
Language
Abstract
: ‫ءك يم يا‬
: English
: The purpose of this study is to synthesis V2O5
in bulk and nano size. Two types of V2O5
shapes (sphere shape and rod shape) at nano
scale were synthesized using microemulsion
techniques. For V2O5 with sphere shape the
size obtained was 16- 70nm while V2O5 with
rod shape the size of diameter obtained was 45130nm with length obtained was 120-500nm.
The size for V2O5 bulk obtained was 200500nm and it consists of various shapes. The
instruments used to characterize V2O5
prepared were XRD, XPS, TEM and VPSEM.
XRD results showed that the V2O5 in
orthorhombic lattice and difractogram of XRD
showed the intensity of nano particle was lower
than bulk one. XPS analysis of V2O5 shows
that the oxidation number for vanadium and
oxygen was +5 and -2 respectively. XPS
spectrum showed blue shift of binding energy
obtained for particle in nano particle. TEM and
VPSEM result gave that V2O5 synthesized in
nano scale and had regular shapes. Catalytic
activities of various types of V2O5 prepared
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were tested for ozonolisis of oleic acids. The
results shows that V2O5 with nano shape gives
higher catalytic activity as well as its selectivity
compared with sphere shape as well as bulk of
V2O5.
: 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
: Sunday, February 15, 2009
Researchers
Researcher Name Researcher Name Researcher
Dr
Email
(Arabic)
(English)
Type
Grade
Mohd Ambar
Mohd Ambar
Researcher Doctorate
Yarmo
Yarmo
Nilofar Asim
Nilofar Asim
Researcher Doctorate
Mohd Azri bin Ab Mohd Azri bin Ab
Researcher Doctorate
Rani
Rani
Files
File Name
18312.pdf
Type
pdf
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