Porous crystalline iron oxide thin films templated by mesoporous silica
Identifieur interne : 001757 ( Chine/Analysis ); précédent : 001756; suivant : 001758Porous crystalline iron oxide thin films templated by mesoporous silica
Auteurs : RBID : Pascal:05-0453558Descripteurs français
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Abstract
Continuous thin films of SBA-16 mesoporous silica with three-dimensional accessible pore structures (space group Im3m) have been prepared on indium-tin oxide glass (ITO) via a dip-coating technique using F-127 surfactants as the structure-directing agent in the non-aqueous media and under acidic conditions. The porous film was then used as a template to produce three-dimensional porous crystals of iron oxide by electrochemical deposition of iron metal followed by in-situ oxidation. Scanning electron microscopic images revealed several morphologies of the porous γ-Fe2O3 particles. The detailed structures of these particles were examined by electron diffraction and high resolution transmission electron microscopy.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Porous crystalline iron oxide thin films templated by mesoporous silica</title>
<author><name>KEYING SHI</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Key Laboratory for the Physics and Chemistry of Nanodevices and Department of Electronics, Peking University</s1>
<s2>Beijing 100871</s2>
<s3>CHN</s3>
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<country>République populaire de Chine</country>
<placeName><settlement type="city">Pékin</settlement>
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<author><name sortKey="Peng, Lian Mao" uniqKey="Peng L">Lian-Mao Peng</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Key Laboratory for the Physics and Chemistry of Nanodevices and Department of Electronics, Peking University</s1>
<s2>Beijing 100871</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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</inist:fA14>
<country>République populaire de Chine</country>
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</placeName>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Beijing Laboratory of Electron Microscopy, Chinese Academy of Sciences, P.O. Box 603</s1>
<s2>Beijing 100080</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
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<country>République populaire de Chine</country>
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<author><name>QING CHEN</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Key Laboratory for the Physics and Chemistry of Nanodevices and Department of Electronics, Peking University</s1>
<s2>Beijing 100871</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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<country>République populaire de Chine</country>
<placeName><settlement type="city">Pékin</settlement>
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</author>
<author><name>RUIHONG WANG</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Beijing Laboratory of Electron Microscopy, Chinese Academy of Sciences, P.O. Box 603</s1>
<s2>Beijing 100080</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
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<country>République populaire de Chine</country>
<placeName><settlement type="city">Pékin</settlement>
</placeName>
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<author><name>WUZONG ZHOU</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>School of Chemistry, University of St. Andrews</s1>
<s2>St. Andrews KY16 9ST</s2>
<s3>GBR</s3>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Royaume-Uni</country>
<wicri:noRegion>St. Andrews KY16 9ST</wicri:noRegion>
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<title level="j" type="abbreviated">Microporous mesoporous mater.</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Electrochemical coating</term>
<term>Electron microscopy</term>
<term>Iron oxide</term>
<term>Mesoporosity</term>
<term>Nanostructure</term>
<term>Porous material</term>
<term>Silica</term>
<term>Template</term>
<term>Thin film</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Matériau poreux</term>
<term>Fer oxyde</term>
<term>Couche mince</term>
<term>Mésoporosité</term>
<term>Silice</term>
<term>Microscopie électronique</term>
<term>Nanostructure</term>
<term>Dépôt électrochimique</term>
<term>SBA16</term>
<term>SBA-16</term>
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<front><div type="abstract" xml:lang="en">Continuous thin films of SBA-16 mesoporous silica with three-dimensional accessible pore structures (space group Im3m) have been prepared on indium-tin oxide glass (ITO) via a dip-coating technique using F-127 surfactants as the structure-directing agent in the non-aqueous media and under acidic conditions. The porous film was then used as a template to produce three-dimensional porous crystals of iron oxide by electrochemical deposition of iron metal followed by in-situ oxidation. Scanning electron microscopic images revealed several morphologies of the porous γ-Fe<sub>2</sub>
O<sub>3</sub>
particles. The detailed structures of these particles were examined by electron diffraction and high resolution transmission electron microscopy.</div>
</front>
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<fA08 i1="01" i2="1" l="ENG"><s1>Porous crystalline iron oxide thin films templated by mesoporous silica</s1>
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<fA11 i1="01" i2="1"><s1>KEYING SHI</s1>
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<fA11 i1="02" i2="1"><s1>PENG (Lian-Mao)</s1>
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<fA11 i1="03" i2="1"><s1>QING CHEN</s1>
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<fA11 i1="04" i2="1"><s1>RUIHONG WANG</s1>
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<fA11 i1="05" i2="1"><s1>WUZONG ZHOU</s1>
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<fA14 i1="01"><s1>Key Laboratory for the Physics and Chemistry of Nanodevices and Department of Electronics, Peking University</s1>
<s2>Beijing 100871</s2>
<s3>CHN</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Beijing Laboratory of Electron Microscopy, Chinese Academy of Sciences, P.O. Box 603</s1>
<s2>Beijing 100080</s2>
<s3>CHN</s3>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>School of Chemistry, University of St. Andrews</s1>
<s2>St. Andrews KY16 9ST</s2>
<s3>GBR</s3>
<sZ>5 aut.</sZ>
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<fA20><s1>219-224</s1>
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<fC01 i1="01" l="ENG"><s0>Continuous thin films of SBA-16 mesoporous silica with three-dimensional accessible pore structures (space group Im3m) have been prepared on indium-tin oxide glass (ITO) via a dip-coating technique using F-127 surfactants as the structure-directing agent in the non-aqueous media and under acidic conditions. The porous film was then used as a template to produce three-dimensional porous crystals of iron oxide by electrochemical deposition of iron metal followed by in-situ oxidation. Scanning electron microscopic images revealed several morphologies of the porous γ-Fe<sub>2</sub>
O<sub>3</sub>
particles. The detailed structures of these particles were examined by electron diffraction and high resolution transmission electron microscopy.</s0>
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<s5>02</s5>
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<s5>03</s5>
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<s5>03</s5>
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<s5>03</s5>
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<s5>04</s5>
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<s5>04</s5>
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<s5>04</s5>
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<fC03 i1="05" i2="X" l="FRE"><s0>Silice</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>05</s5>
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<fC03 i1="05" i2="X" l="ENG"><s0>Silica</s0>
<s2>NK</s2>
<s2>FX</s2>
<s5>05</s5>
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<s2>NK</s2>
<s2>FX</s2>
<s5>05</s5>
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<s5>06</s5>
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<s5>07</s5>
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<s5>07</s5>
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<fC03 i1="08" i2="3" l="FRE"><s0>Dépôt électrochimique</s0>
<s5>09</s5>
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<fC03 i1="08" i2="3" l="ENG"><s0>Electrochemical coating</s0>
<s5>09</s5>
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<fC03 i1="09" i2="X" l="FRE"><s0>SBA16</s0>
<s4>INC</s4>
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<fC03 i1="10" i2="X" l="FRE"><s0>SBA-16</s0>
<s4>INC</s4>
<s5>33</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Agent structurant</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Template</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
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<s5>08</s5>
</fC07>
<fC07 i1="01" i2="3" l="ENG"><s0>Transition element compounds</s0>
<s5>08</s5>
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<fN21><s1>318</s1>
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