Laser Synthesis and Characterization of Nitrogen-Doped TiO2 Vertically Aligned Columnar Array Photocatalysts
Identifieur interne : 001913 ( Main/Repository ); précédent : 001912; suivant : 001914Laser Synthesis and Characterization of Nitrogen-Doped TiO2 Vertically Aligned Columnar Array Photocatalysts
Auteurs : RBID : Pascal:13-0369493Descripteurs français
- Pascal (Inist)
- Addition azote, Alignement vertical, Réseau (arrangement), Catalyseur, Photocatalyse, Dépôt laser pulsé, Méthode ablation laser, Autoassemblage, Microsphère, Couche monomoléculaire, Réaction dirigée, Activité catalytique, Irradiation UV, Addition indium, Couche autoassemblée, Couche ultramince, Couche mince, Réseau cristallin, 8265, 8115F, Méthode template.
English descriptors
- KwdEn :
- Array, Catalyst, Catalyst activity, Crystal lattice, Indium addition, Laser ablation technique, Microsphere, Monolayer, Nitrogen addition, Photocatalysis, Pulsed laser deposition, Self assembly, Self-assembled layer, Template method, Template reaction, Thin film, Ultrathin films, Ultraviolet irradiation, Vertical alignment.
Abstract
Nitrogen-doped TiO2 vertically aligned columnar arrays were grown by reactive pulsed laser deposition using self-assembled polystyrene (PS) microsphere monolayers as templates and TiO2 hemispherical arrays as buffers. The created columnar arrays showed significantly enhanced photocatalytic activity as compared with the reference thin films grown under identical experimental conditions but in the absence of the PS templates, both under visible- as well as UV-light irradiation. The photocatalytic activity decreased with the increase in the nitrogen doping level, suggesting the existence of a threshold value for the nitrogen incorporation in the TiO2 crystal lattice.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Laser Synthesis and Characterization of Nitrogen-Doped TiO<sub>2</sub> Vertically Aligned Columnar Array Photocatalysts</title><author><name sortKey="Sauthier, G" uniqKey="Sauthier G">G. Sauthier</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Consejo Superior de Investigaciones Cientificas, Centre dInvestigacions en Nanociència i Nanotecnologia (CIN2-CSIC), Campus UAB</s1> <s2>08193 Bellaterra</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Catalogne</region></placeName></affiliation></author><author><name sortKey="Gyorgy, E" uniqKey="Gyorgy E">E. György</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Consejo Superior de Investigaciones Cientificas, Centre dInvestigacions en Nanociència i Nanotecnologia (CIN2-CSIC), Campus UAB</s1> <s2>08193 Bellaterra</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Catalogne</region></placeName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>National Institute for Lasers, Plasma and Radiations Physics, P.O. Box MG 39</s1><s2>77125 Bucharest</s2><s3>ROU</s3><sZ>2 aut.</sZ></inist:fA14><country>Roumanie</country><wicri:noRegion>77125 Bucharest</wicri:noRegion></affiliation></author><author><name sortKey="Figueras, A" uniqKey="Figueras A">A. Figueras</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Consejo Superior de Investigaciones Cientificas, Centre dInvestigacions en Nanociència i Nanotecnologia (CIN2-CSIC), Campus UAB</s1> <s2>08193 Bellaterra</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Catalogne</region></placeName></affiliation></author><author><name sortKey="Sanchez, R S" uniqKey="Sanchez R">R. S. Sanchez</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Departament de Química, Universitat Autònoma de Barcelona</s1><s2>08193 Cerdanyola del Vallès</s2><s3>ESP</s3><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Catalogne</region></placeName><orgName type="university">Université autonome de Barcelone</orgName></affiliation></author><author><name sortKey="Hernando, J" uniqKey="Hernando J">J. Hernando</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Departament de Química, Universitat Autònoma de Barcelona</s1><s2>08193 Cerdanyola del Vallès</s2><s3>ESP</s3><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Catalogne</region></placeName><orgName type="university">Université autonome de Barcelone</orgName></affiliation></author></titleStmt><publicationStmt><idno type="inist">13-0369493</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 13-0369493 INIST</idno><idno type="RBID">Pascal:13-0369493</idno><idno type="wicri:Area/Main/Corpus">000395</idno><idno type="wicri:Area/Main/Repository">001913</idno></publicationStmt><seriesStmt><idno type="ISSN">1932-7447</idno><title level="j" type="abbreviated">J. phys. chem., C</title><title level="j" type="main">Journal of physical chemistry. C</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Array</term><term>Catalyst</term><term>Catalyst activity</term><term>Crystal lattice</term><term>Indium addition</term><term>Laser ablation technique</term><term>Microsphere</term><term>Monolayer</term><term>Nitrogen addition</term><term>Photocatalysis</term><term>Pulsed laser deposition</term><term>Self assembly</term><term>Self-assembled layer</term><term>Template method</term><term>Template reaction</term><term>Thin film</term><term>Ultrathin films</term><term>Ultraviolet irradiation</term><term>Vertical alignment</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Addition azote</term><term>Alignement vertical</term><term>Réseau (arrangement)</term><term>Catalyseur</term><term>Photocatalyse</term><term>Dépôt laser pulsé</term><term>Méthode ablation laser</term><term>Autoassemblage</term><term>Microsphère</term><term>Couche monomoléculaire</term><term>Réaction dirigée</term><term>Activité catalytique</term><term>Irradiation UV</term><term>Addition indium</term><term>Couche autoassemblée</term><term>Couche ultramince</term><term>Couche mince</term><term>Réseau cristallin</term><term>8265</term><term>8115F</term><term>Méthode template</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Nitrogen-doped TiO<sub>2</sub> vertically aligned columnar arrays were grown by reactive pulsed laser deposition using self-assembled polystyrene (PS) microsphere monolayers as templates and TiO<sub>2</sub> hemispherical arrays as buffers. The created columnar arrays showed significantly enhanced photocatalytic activity as compared with the reference thin films grown under identical experimental conditions but in the absence of the PS templates, both under visible- as well as UV-light irradiation. The photocatalytic activity decreased with the increase in the nitrogen doping level, suggesting the existence of a threshold value for the nitrogen incorporation in the TiO<sub>2</sub> crystal lattice.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>1932-7447</s0></fA01><fA03 i2="1"><s0>J. phys. chem., C</s0></fA03><fA05><s2>116</s2></fA05><fA06><s2>27</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Laser Synthesis and Characterization of Nitrogen-Doped TiO<sub>2</sub> Vertically Aligned Columnar Array Photocatalysts</s1></fA08><fA11 i1="01" i2="1"><s1>SAUTHIER (G.)</s1></fA11><fA11 i1="02" i2="1"><s1>GYÖRGY (E.)</s1></fA11><fA11 i1="03" i2="1"><s1>FIGUERAS (A.)</s1></fA11><fA11 i1="04" i2="1"><s1>SANCHEZ (R. S.)</s1></fA11><fA11 i1="05" i2="1"><s1>HERNANDO (J.)</s1></fA11><fA14 i1="01"><s1>Consejo Superior de Investigaciones Cientificas, Centre dInvestigacions en Nanociència i Nanotecnologia (CIN2-CSIC), Campus UAB</s1> <s2>08193 Bellaterra</s2><s3>ESP</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></fA14><fA14 i1="02"><s1>National Institute for Lasers, Plasma and Radiations Physics, P.O. Box MG 39</s1><s2>77125 Bucharest</s2><s3>ROU</s3><sZ>2 aut.</sZ></fA14><fA14 i1="03"><s1>Departament de Química, Universitat Autònoma de Barcelona</s1><s2>08193 Cerdanyola del Vallès</s2><s3>ESP</s3><sZ>4 aut.</sZ><sZ>5 aut.</sZ></fA14><fA20><s1>14534-14540</s1></fA20><fA21><s1>2012</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>549C</s2><s5>354000504036260390</s5></fA43><fA44><s0>0000</s0><s1>© 2013 INIST-CNRS. 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