Effect of amine catalysts on preparation of nanometric SiO2 particles and antireflective films via sol–gel method
SiO 2 sols were prepared by hydrolysis and condensation reactions of tetraethyl orthosilicate through a one step acid or a two step acid + base catalysis process, in the presence of nitric acid and four different base catalyzers, namely trimethylamine, triethylamine, tripropylamine and tributylamine...
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| Veröffentlicht in: | Journal of sol-gel science and technology 2010-11, Vol.56 (2), p.167-176 |
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| creator | Kesmez, Ömer Kiraz, Nadir Burunkaya, Esin Çamurlu, H. Erdem Asiltürk, Meltem Arpaç, Ertuğrul |
| description | SiO
2
sols were prepared by hydrolysis and condensation reactions of tetraethyl orthosilicate through a one step acid or a two step acid + base catalysis process, in the presence of nitric acid and four different base catalyzers, namely trimethylamine, triethylamine, tripropylamine and tributylamine. Hydrolysis of TEOS was followed by FT-IR analyses. Particle size distributions of the sols were evaluated after predetermined durations in 1–22 days. Particle growth was seen to be faster in amine catalyzed systems than in one step acid catalyzed system. The highest rate of growth was in triethylamine catalyzed system. Glass substrates were dip coated with the prepared SiO
2
sols. Effect of sol aging duration on film thickness and on light transmittance properties of the films was investigated with respect to type of base catalyst. Thicknesses of the films which were measured to be in the range of 100–400 nm, were seen to increase with aging duration of the sols. Triethylamine catalyzed system presented the highest film thickness. Films obtained from one step acid catalyzed system presented an increase of 4.8%; whereas acid + base catalyzed films provided an increase in the light transmittance of 5.7% in the first 4 days of aging. Surfaces of films were examined by FESEM and AFM. The antireflective character of the films was verified by diffuse reflectance analyses. |
| doi_str_mv | 10.1007/s10971-010-2290-x |
| format | Article |
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sols were prepared by hydrolysis and condensation reactions of tetraethyl orthosilicate through a one step acid or a two step acid + base catalysis process, in the presence of nitric acid and four different base catalyzers, namely trimethylamine, triethylamine, tripropylamine and tributylamine. Hydrolysis of TEOS was followed by FT-IR analyses. Particle size distributions of the sols were evaluated after predetermined durations in 1–22 days. Particle growth was seen to be faster in amine catalyzed systems than in one step acid catalyzed system. The highest rate of growth was in triethylamine catalyzed system. Glass substrates were dip coated with the prepared SiO
2
sols. Effect of sol aging duration on film thickness and on light transmittance properties of the films was investigated with respect to type of base catalyst. Thicknesses of the films which were measured to be in the range of 100–400 nm, were seen to increase with aging duration of the sols. Triethylamine catalyzed system presented the highest film thickness. Films obtained from one step acid catalyzed system presented an increase of 4.8%; whereas acid + base catalyzed films provided an increase in the light transmittance of 5.7% in the first 4 days of aging. Surfaces of films were examined by FESEM and AFM. The antireflective character of the films was verified by diffuse reflectance analyses.</description><identifier>ISSN: 0928-0707</identifier><identifier>EISSN: 1573-4846</identifier><identifier>DOI: 10.1007/s10971-010-2290-x</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Acids ; Aging ; Catalysis ; Catalysts ; Ceramics ; Chemistry ; Chemistry and Materials Science ; Colloidal gels. Colloidal sols ; Colloidal state and disperse state ; Composites ; Exact sciences and technology ; Film thickness ; General and physical chemistry ; Glass ; Glass substrates ; Hydrolysis ; Immersion coating ; Inorganic Chemistry ; Light transmittance ; Materials Science ; Nanotechnology ; Natural Materials ; Nitric acid ; Optical and Electronic Materials ; Original Paper ; Reflectance ; Silicon dioxide ; Sol-gel processes ; Tetraethyl orthosilicate ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry ; Tributylamine ; Triethylamine ; Trimethylamine</subject><ispartof>Journal of sol-gel science and technology, 2010-11, Vol.56 (2), p.167-176</ispartof><rights>Springer Science+Business Media, LLC 2010</rights><rights>2015 INIST-CNRS</rights><rights>Journal of Sol-Gel Science and Technology is a copyright of Springer, (2010). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c412t-b1d636769ebec7ad53e253d07bbec1367ee134788f1a4625194d475b9ccea5cb3</citedby><cites>FETCH-LOGICAL-c412t-b1d636769ebec7ad53e253d07bbec1367ee134788f1a4625194d475b9ccea5cb3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10971-010-2290-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10971-010-2290-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23420758$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kesmez, Ömer</creatorcontrib><creatorcontrib>Kiraz, Nadir</creatorcontrib><creatorcontrib>Burunkaya, Esin</creatorcontrib><creatorcontrib>Çamurlu, H. Erdem</creatorcontrib><creatorcontrib>Asiltürk, Meltem</creatorcontrib><creatorcontrib>Arpaç, Ertuğrul</creatorcontrib><title>Effect of amine catalysts on preparation of nanometric SiO2 particles and antireflective films via sol–gel method</title><title>Journal of sol-gel science and technology</title><addtitle>J Sol-Gel Sci Technol</addtitle><description>SiO
2
sols were prepared by hydrolysis and condensation reactions of tetraethyl orthosilicate through a one step acid or a two step acid + base catalysis process, in the presence of nitric acid and four different base catalyzers, namely trimethylamine, triethylamine, tripropylamine and tributylamine. Hydrolysis of TEOS was followed by FT-IR analyses. Particle size distributions of the sols were evaluated after predetermined durations in 1–22 days. Particle growth was seen to be faster in amine catalyzed systems than in one step acid catalyzed system. The highest rate of growth was in triethylamine catalyzed system. Glass substrates were dip coated with the prepared SiO
2
sols. Effect of sol aging duration on film thickness and on light transmittance properties of the films was investigated with respect to type of base catalyst. Thicknesses of the films which were measured to be in the range of 100–400 nm, were seen to increase with aging duration of the sols. Triethylamine catalyzed system presented the highest film thickness. Films obtained from one step acid catalyzed system presented an increase of 4.8%; whereas acid + base catalyzed films provided an increase in the light transmittance of 5.7% in the first 4 days of aging. Surfaces of films were examined by FESEM and AFM. The antireflective character of the films was verified by diffuse reflectance analyses.</description><subject>Acids</subject><subject>Aging</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Ceramics</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Colloidal gels. Colloidal sols</subject><subject>Colloidal state and disperse state</subject><subject>Composites</subject><subject>Exact sciences and technology</subject><subject>Film thickness</subject><subject>General and physical chemistry</subject><subject>Glass</subject><subject>Glass substrates</subject><subject>Hydrolysis</subject><subject>Immersion coating</subject><subject>Inorganic Chemistry</subject><subject>Light transmittance</subject><subject>Materials Science</subject><subject>Nanotechnology</subject><subject>Natural Materials</subject><subject>Nitric acid</subject><subject>Optical and Electronic Materials</subject><subject>Original Paper</subject><subject>Reflectance</subject><subject>Silicon dioxide</subject><subject>Sol-gel processes</subject><subject>Tetraethyl orthosilicate</subject><subject>Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><subject>Tributylamine</subject><subject>Triethylamine</subject><subject>Trimethylamine</subject><issn>0928-0707</issn><issn>1573-4846</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kMtOAyEYhYnRxFp9AHckxuUoMDDMLE1TL0mTLtQ1YZh_Ks3cBGzane_gG_ok0kyjKxcEyPnO-eEgdEnJDSVE3npKCkkTQknCWEGS7RGaUCHThOc8O0YTUrA8IZLIU3Tm_ZoQIjiVE-TndQ0m4L7GurUdYKODbnY-eNx3eHAwaKeDjedIdLrrWwjOGvxslwxHLVjTgMe6q-IK1kHdxDi7AVzbpvV4YzX2ffP9-bWCBkfzW1-do5NaNx4uDvsUvd7PX2aPyWL58DS7WySGUxaSklZZmsmsgBKM1JVIgYm0IrKMdxoVAJpymec11Txjgha84lKUhTGghSnTKboacwfXv3-AD2rdf7gujlSMiUJEs-CRoiNlXO99_IAanG212ylK1L5bNXarYrdq363aRs_1IVl7o5va6c5Y_2tkKWdEijxybOR8lLoVuL8X_B_-A9CmjB0</recordid><startdate>20101101</startdate><enddate>20101101</enddate><creator>Kesmez, Ömer</creator><creator>Kiraz, Nadir</creator><creator>Burunkaya, Esin</creator><creator>Çamurlu, H. 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Erdem ; Asiltürk, Meltem ; Arpaç, Ertuğrul</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c412t-b1d636769ebec7ad53e253d07bbec1367ee134788f1a4625194d475b9ccea5cb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Acids</topic><topic>Aging</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Ceramics</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Colloidal gels. Colloidal sols</topic><topic>Colloidal state and disperse state</topic><topic>Composites</topic><topic>Exact sciences and technology</topic><topic>Film thickness</topic><topic>General and physical chemistry</topic><topic>Glass</topic><topic>Glass substrates</topic><topic>Hydrolysis</topic><topic>Immersion coating</topic><topic>Inorganic Chemistry</topic><topic>Light transmittance</topic><topic>Materials Science</topic><topic>Nanotechnology</topic><topic>Natural Materials</topic><topic>Nitric acid</topic><topic>Optical and Electronic Materials</topic><topic>Original Paper</topic><topic>Reflectance</topic><topic>Silicon dioxide</topic><topic>Sol-gel processes</topic><topic>Tetraethyl orthosilicate</topic><topic>Theory of reactions, general kinetics. Catalysis. 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Erdem</au><au>Asiltürk, Meltem</au><au>Arpaç, Ertuğrul</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of amine catalysts on preparation of nanometric SiO2 particles and antireflective films via sol–gel method</atitle><jtitle>Journal of sol-gel science and technology</jtitle><stitle>J Sol-Gel Sci Technol</stitle><date>2010-11-01</date><risdate>2010</risdate><volume>56</volume><issue>2</issue><spage>167</spage><epage>176</epage><pages>167-176</pages><issn>0928-0707</issn><eissn>1573-4846</eissn><abstract>SiO
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sols were prepared by hydrolysis and condensation reactions of tetraethyl orthosilicate through a one step acid or a two step acid + base catalysis process, in the presence of nitric acid and four different base catalyzers, namely trimethylamine, triethylamine, tripropylamine and tributylamine. Hydrolysis of TEOS was followed by FT-IR analyses. Particle size distributions of the sols were evaluated after predetermined durations in 1–22 days. Particle growth was seen to be faster in amine catalyzed systems than in one step acid catalyzed system. The highest rate of growth was in triethylamine catalyzed system. Glass substrates were dip coated with the prepared SiO
2
sols. Effect of sol aging duration on film thickness and on light transmittance properties of the films was investigated with respect to type of base catalyst. Thicknesses of the films which were measured to be in the range of 100–400 nm, were seen to increase with aging duration of the sols. Triethylamine catalyzed system presented the highest film thickness. Films obtained from one step acid catalyzed system presented an increase of 4.8%; whereas acid + base catalyzed films provided an increase in the light transmittance of 5.7% in the first 4 days of aging. Surfaces of films were examined by FESEM and AFM. The antireflective character of the films was verified by diffuse reflectance analyses.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10971-010-2290-x</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0928-0707 |
| ispartof | Journal of sol-gel science and technology, 2010-11, Vol.56 (2), p.167-176 |
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| subjects | Acids Aging Catalysis Catalysts Ceramics Chemistry Chemistry and Materials Science Colloidal gels. Colloidal sols Colloidal state and disperse state Composites Exact sciences and technology Film thickness General and physical chemistry Glass Glass substrates Hydrolysis Immersion coating Inorganic Chemistry Light transmittance Materials Science Nanotechnology Natural Materials Nitric acid Optical and Electronic Materials Original Paper Reflectance Silicon dioxide Sol-gel processes Tetraethyl orthosilicate Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry Tributylamine Triethylamine Trimethylamine |
| title | Effect of amine catalysts on preparation of nanometric SiO2 particles and antireflective films via sol–gel method |
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