Formation of nano-rod sodium tungstate film by sodium ion diffusion
Tungsten oxide (WO 3) and nano-rod sodium tungstate (Na 2W 2O 7) thin film was prepared by dip coating on slide glass (SG) and tin-doped indium oxide (ITO) coated glass in peroxotungstic acid (PTA) solution. Thermal analysis results showed that PTA is decomposed to tungsten oxide via multiple steps...
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| Veröffentlicht in: | Materials chemistry and physics 2009-08, Vol.116 (2), p.527-531 |
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| creator | Kim, Chang-Yeoul Huh, Seung-Hun Riu, Doh-Hyung |
| description | Tungsten oxide (WO
3) and nano-rod sodium tungstate (Na
2W
2O
7) thin film was prepared by dip coating on slide glass (SG) and tin-doped indium oxide (ITO) coated glass in peroxotungstic acid (PTA) solution. Thermal analysis results showed that PTA is decomposed to tungsten oxide via multiple steps of WO
3·2/3H
2O, WO
3·1/3H
2O and WO
3. Monoclinic phase appeared on ITO glass at 400
°C and crystal growth occurred at 500
°C. However, quite different crystallization behavior appeared on SG due to sodium ion diffusion. At 400
°C, rectangular shape crystals identified as Na
2W
4O
13 appeared in amorphous matrix, and grew to bundles of rod-shaped Na
2W
2O
7 and Na
2W
4O
13 phase at 500
°C. Raman scattering spectroscopy data confirmed the formation of Na
2W
4O
13 and Na
2W
2O
7 at 500
°C. The understanding of crystallization behavior and sodium ion diffusion into WO
3 thin film on different substrates may be helpful to the application area of electrochromic windows or photocatalyst. |
| doi_str_mv | 10.1016/j.matchemphys.2009.04.045 |
| format | Article |
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3) and nano-rod sodium tungstate (Na
2W
2O
7) thin film was prepared by dip coating on slide glass (SG) and tin-doped indium oxide (ITO) coated glass in peroxotungstic acid (PTA) solution. Thermal analysis results showed that PTA is decomposed to tungsten oxide via multiple steps of WO
3·2/3H
2O, WO
3·1/3H
2O and WO
3. Monoclinic phase appeared on ITO glass at 400
°C and crystal growth occurred at 500
°C. However, quite different crystallization behavior appeared on SG due to sodium ion diffusion. At 400
°C, rectangular shape crystals identified as Na
2W
4O
13 appeared in amorphous matrix, and grew to bundles of rod-shaped Na
2W
2O
7 and Na
2W
4O
13 phase at 500
°C. Raman scattering spectroscopy data confirmed the formation of Na
2W
4O
13 and Na
2W
2O
7 at 500
°C. The understanding of crystallization behavior and sodium ion diffusion into WO
3 thin film on different substrates may be helpful to the application area of electrochromic windows or photocatalyst.</description><identifier>ISSN: 0254-0584</identifier><identifier>EISSN: 1879-3312</identifier><identifier>DOI: 10.1016/j.matchemphys.2009.04.045</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Ion diffusion ; Nanorod ; Raman ; Sodium tungstate ; Tungsten oxide</subject><ispartof>Materials chemistry and physics, 2009-08, Vol.116 (2), p.527-531</ispartof><rights>2009 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c352t-b21efca863c0f038bfe19cf1fcc0418c07f378bb947343f79b7741a81f3d145e3</citedby><cites>FETCH-LOGICAL-c352t-b21efca863c0f038bfe19cf1fcc0418c07f378bb947343f79b7741a81f3d145e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matchemphys.2009.04.045$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27911,27912,45982</link.rule.ids></links><search><creatorcontrib>Kim, Chang-Yeoul</creatorcontrib><creatorcontrib>Huh, Seung-Hun</creatorcontrib><creatorcontrib>Riu, Doh-Hyung</creatorcontrib><title>Formation of nano-rod sodium tungstate film by sodium ion diffusion</title><title>Materials chemistry and physics</title><description>Tungsten oxide (WO
3) and nano-rod sodium tungstate (Na
2W
2O
7) thin film was prepared by dip coating on slide glass (SG) and tin-doped indium oxide (ITO) coated glass in peroxotungstic acid (PTA) solution. Thermal analysis results showed that PTA is decomposed to tungsten oxide via multiple steps of WO
3·2/3H
2O, WO
3·1/3H
2O and WO
3. Monoclinic phase appeared on ITO glass at 400
°C and crystal growth occurred at 500
°C. However, quite different crystallization behavior appeared on SG due to sodium ion diffusion. At 400
°C, rectangular shape crystals identified as Na
2W
4O
13 appeared in amorphous matrix, and grew to bundles of rod-shaped Na
2W
2O
7 and Na
2W
4O
13 phase at 500
°C. Raman scattering spectroscopy data confirmed the formation of Na
2W
4O
13 and Na
2W
2O
7 at 500
°C. The understanding of crystallization behavior and sodium ion diffusion into WO
3 thin film on different substrates may be helpful to the application area of electrochromic windows or photocatalyst.</description><subject>Ion diffusion</subject><subject>Nanorod</subject><subject>Raman</subject><subject>Sodium tungstate</subject><subject>Tungsten oxide</subject><issn>0254-0584</issn><issn>1879-3312</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqNkEFLxDAQhYMouK7-h3rx1jrTpJv2KMVVYcGLnkOaTtwsbbMmrbD_3i6r4FF4MAPz3oP5GLtFyBBwdb_Lej2aLfX77SFmOUCVgZhVnLEFlrJKOcf8nC0gL0QKRSku2VWMOwCUiHzB6rUPc4PzQ-JtMujBp8G3SfStm_pknIaPOOqREuu6PmkOv4ejv3XWTnHertmF1V2km5-5ZO_rx7f6Od28Pr3UD5vU8CIf0yZHskaXK27AAi8bS1gZi9YYEFgakJbLsmkqIbngVlaNlAJ1iZa3KAriS3Z36t0H_zlRHFXvoqGu0wP5KSouCkCBYjZWJ6MJPsZAVu2D63U4KAR1xKZ26g82dcSmQMwq5mx9ytL8yZejoKJxNBhqXSAzqta7f7R8A35tfTY</recordid><startdate>20090815</startdate><enddate>20090815</enddate><creator>Kim, Chang-Yeoul</creator><creator>Huh, Seung-Hun</creator><creator>Riu, Doh-Hyung</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20090815</creationdate><title>Formation of nano-rod sodium tungstate film by sodium ion diffusion</title><author>Kim, Chang-Yeoul ; Huh, Seung-Hun ; Riu, Doh-Hyung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c352t-b21efca863c0f038bfe19cf1fcc0418c07f378bb947343f79b7741a81f3d145e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Ion diffusion</topic><topic>Nanorod</topic><topic>Raman</topic><topic>Sodium tungstate</topic><topic>Tungsten oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Chang-Yeoul</creatorcontrib><creatorcontrib>Huh, Seung-Hun</creatorcontrib><creatorcontrib>Riu, Doh-Hyung</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Materials chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Chang-Yeoul</au><au>Huh, Seung-Hun</au><au>Riu, Doh-Hyung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formation of nano-rod sodium tungstate film by sodium ion diffusion</atitle><jtitle>Materials chemistry and physics</jtitle><date>2009-08-15</date><risdate>2009</risdate><volume>116</volume><issue>2</issue><spage>527</spage><epage>531</epage><pages>527-531</pages><issn>0254-0584</issn><eissn>1879-3312</eissn><abstract>Tungsten oxide (WO
3) and nano-rod sodium tungstate (Na
2W
2O
7) thin film was prepared by dip coating on slide glass (SG) and tin-doped indium oxide (ITO) coated glass in peroxotungstic acid (PTA) solution. Thermal analysis results showed that PTA is decomposed to tungsten oxide via multiple steps of WO
3·2/3H
2O, WO
3·1/3H
2O and WO
3. Monoclinic phase appeared on ITO glass at 400
°C and crystal growth occurred at 500
°C. However, quite different crystallization behavior appeared on SG due to sodium ion diffusion. At 400
°C, rectangular shape crystals identified as Na
2W
4O
13 appeared in amorphous matrix, and grew to bundles of rod-shaped Na
2W
2O
7 and Na
2W
4O
13 phase at 500
°C. Raman scattering spectroscopy data confirmed the formation of Na
2W
4O
13 and Na
2W
2O
7 at 500
°C. The understanding of crystallization behavior and sodium ion diffusion into WO
3 thin film on different substrates may be helpful to the application area of electrochromic windows or photocatalyst.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.matchemphys.2009.04.045</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0254-0584 |
| ispartof | Materials chemistry and physics, 2009-08, Vol.116 (2), p.527-531 |
| issn | 0254-0584 1879-3312 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_34501414 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Ion diffusion Nanorod Raman Sodium tungstate Tungsten oxide |
| title | Formation of nano-rod sodium tungstate film by sodium ion diffusion |
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