Self Assembly and Properties of C:WO<sub>3</sub> Nano-Platelets and C:VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> Triangular Capsules Produced by Laser Solution Photolysis

Self Assembly and Properties of C:WO<sub>3</sub> Nano-Platelets and C:VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> Triangular Capsules Produced by Laser Solution Photolysis

<p>Abstract</p> <p>Laser photolysis of WCl<sub>6</sub> in ethanol and a specific mixture of V<sub>2</sub>O<sub>5</sub> and VCl<sub>3</sub> in ethanol lead to carbon modified vanadium and tungsten oxides with interesting properties. Th...

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Bibliographic Details
Main Authors: Sideras-Haddad E, Scriba M, Manikandan E, Mwakikunga BW, Forbes A
Format: Article
Language:English
Published: SpringerOpen 2009-01-01
Series:Nanoscale Research Letters
Subjects:
Carbon
VO<sub>2</sub>
V<sub>2</sub>O<sub>5</sub>
WO<sub>3</sub>
Laser
Photolysis
Sensors
Online Access:http://dx.doi.org/10.1007/s11671-009-9494-4
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spelling doaj-e87f5b149de74c63906ae6d51f3693c92020-11-24T22:03:18ZengSpringerOpenNanoscale Research Letters1931-75731556-276X2009-01-0152389397Self Assembly and Properties of C:WO<sub>3</sub> Nano-Platelets and C:VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> Triangular Capsules Produced by Laser Solution PhotolysisSideras-Haddad EScriba MManikandan EMwakikunga BWForbes A<p>Abstract</p> <p>Laser photolysis of WCl<sub>6</sub> in ethanol and a specific mixture of V<sub>2</sub>O<sub>5</sub> and VCl<sub>3</sub> in ethanol lead to carbon modified vanadium and tungsten oxides with interesting properties. The presence of graphene&#8217;s aromatic rings (from the vibrational frequency of 1,600 cm<sup>&#8722;1</sup>) together with C&#8211;C bonding of carbon (from the Raman shift of 1,124 cm<sup>&#8722;1</sup>) present unique optical, vibrational, electronic and structural properties of the intended tungsten trioxide and vanadium dioxide materials. The morphology of these samples shows nano-platelets in WO<sub> <it>x</it> </sub> samples and, in VO<sub> <it>x</it> </sub> samples, encapsulated spherical quantum dots in conjunction with fullerenes of VO<sub> <it>x</it> </sub>. Conductivity studies revealed that the VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> nanostructures are more sensitive to Cl than to the presence of ethanol, whereas the C:WO<sub>3</sub> nano-platelets are more sensitive to ethanol than atomic C.</p> http://dx.doi.org/10.1007/s11671-009-9494-4CarbonVO<sub>2</sub>V<sub>2</sub>O<sub>5</sub>WO<sub>3</sub>LaserPhotolysisSensors
collection DOAJ
language English
format Article
sources DOAJ
author Sideras-Haddad E
Scriba M
Manikandan E
Mwakikunga BW
Forbes A
spellingShingle Sideras-Haddad E
Scriba M
Manikandan E
Mwakikunga BW
Forbes A
Self Assembly and Properties of C:WO<sub>3</sub> Nano-Platelets and C:VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> Triangular Capsules Produced by Laser Solution Photolysis
Nanoscale Research Letters
Carbon
VO<sub>2</sub>
V<sub>2</sub>O<sub>5</sub>
WO<sub>3</sub>
Laser
Photolysis
Sensors
author_facet Sideras-Haddad E
Scriba M
Manikandan E
Mwakikunga BW
Forbes A
author_sort Sideras-Haddad E
title Self Assembly and Properties of C:WO<sub>3</sub> Nano-Platelets and C:VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> Triangular Capsules Produced by Laser Solution Photolysis
title_short Self Assembly and Properties of C:WO<sub>3</sub> Nano-Platelets and C:VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> Triangular Capsules Produced by Laser Solution Photolysis
title_full Self Assembly and Properties of C:WO<sub>3</sub> Nano-Platelets and C:VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> Triangular Capsules Produced by Laser Solution Photolysis
title_fullStr Self Assembly and Properties of C:WO<sub>3</sub> Nano-Platelets and C:VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> Triangular Capsules Produced by Laser Solution Photolysis
title_full_unstemmed Self Assembly and Properties of C:WO<sub>3</sub> Nano-Platelets and C:VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> Triangular Capsules Produced by Laser Solution Photolysis
title_sort self assembly and properties of c:wo<sub>3</sub> nano-platelets and c:vo<sub>2</sub>/v<sub>2</sub>o<sub>5</sub> triangular capsules produced by laser solution photolysis
publisher SpringerOpen
series Nanoscale Research Letters
issn 1931-7573
1556-276X
publishDate 2009-01-01
description <p>Abstract</p> <p>Laser photolysis of WCl<sub>6</sub> in ethanol and a specific mixture of V<sub>2</sub>O<sub>5</sub> and VCl<sub>3</sub> in ethanol lead to carbon modified vanadium and tungsten oxides with interesting properties. The presence of graphene&#8217;s aromatic rings (from the vibrational frequency of 1,600 cm<sup>&#8722;1</sup>) together with C&#8211;C bonding of carbon (from the Raman shift of 1,124 cm<sup>&#8722;1</sup>) present unique optical, vibrational, electronic and structural properties of the intended tungsten trioxide and vanadium dioxide materials. The morphology of these samples shows nano-platelets in WO<sub> <it>x</it> </sub> samples and, in VO<sub> <it>x</it> </sub> samples, encapsulated spherical quantum dots in conjunction with fullerenes of VO<sub> <it>x</it> </sub>. Conductivity studies revealed that the VO<sub>2</sub>/V<sub>2</sub>O<sub>5</sub> nanostructures are more sensitive to Cl than to the presence of ethanol, whereas the C:WO<sub>3</sub> nano-platelets are more sensitive to ethanol than atomic C.</p>
topic Carbon
VO<sub>2</sub>
V<sub>2</sub>O<sub>5</sub>
WO<sub>3</sub>
Laser
Photolysis
Sensors
url http://dx.doi.org/10.1007/s11671-009-9494-4
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AT scribam selfassemblyandpropertiesofcwosub3subnanoplateletsandcvosub2subvsub2subosub5subtriangularcapsulesproducedbylasersolutionphotolysis
AT manikandane selfassemblyandpropertiesofcwosub3subnanoplateletsandcvosub2subvsub2subosub5subtriangularcapsulesproducedbylasersolutionphotolysis
AT mwakikungabw selfassemblyandpropertiesofcwosub3subnanoplateletsandcvosub2subvsub2subosub5subtriangularcapsulesproducedbylasersolutionphotolysis
AT forbesa selfassemblyandpropertiesofcwosub3subnanoplateletsandcvosub2subvsub2subosub5subtriangularcapsulesproducedbylasersolutionphotolysis
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