An all low-temperature fabrication of macroporous, electrochemically addressable anatase thin films.
Identifieur interne : 000244 ( Main/Exploration ); précédent : 000243; suivant : 000245An all low-temperature fabrication of macroporous, electrochemically addressable anatase thin films.
Auteurs : RBID : pubmed:24644269Abstract
Macroporous TiO2 (anatase) thin films are fabricated by an all low-temperature process in which substrates are dip-coated in suspensions of mixed anatase nanoparticles and polystyrene beads, and the templating agents are removed by ultraviolet (UV) irradiation at a temperature below 50 °C. Scanning electron microscopy (SEM) and Raman spectroscopy show that the templating polymer beads are removed by UV irradiation combined with the photocatalytic activity of TiO2 . X-Ray diffraction reveals that nanoparticle growth is negligible in UV irradiated films, while nanoparticle size increases by almost 10 times in calcined films that are prepared for comparison. The macroporous films are prepared on FTO-(fluorine-doped tin oxide) coated glass and ITO (indium tin oxide) coated flexible plastics and thereby used as working electrodes. In both cases, the films are electrochemically addressable, and cyclic voltammetry is consistent with the response of bulk TiO2 for calcined films and of nanoscale-TiO2 for UV-irradiated films.
DOI: 10.1002/smll.201300970
PubMed: 24644269
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">An all low-temperature fabrication of macroporous, electrochemically addressable anatase thin films.</title><author><name sortKey="Schr Der, Michael" uniqKey="Schr Der M">Michael Schröder</name><affiliation wicri:level="1"><nlm:affiliation>Justus-Liebig-Universität, Institute of Physical-Chemistry, Heinrich-Buff-Ring 58, D-35392, Giessen, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Justus-Liebig-Universität, Institute of Physical-Chemistry, Heinrich-Buff-Ring 58, D-35392, Giessen</wicri:regionArea><wicri:noRegion>35392, Giessen</wicri:noRegion></affiliation></author><author><name sortKey="Sallard, Sebastien" uniqKey="Sallard S">Sébastien Sallard</name></author><author><name sortKey="B Hm, Matthias" uniqKey="B Hm M">Matthias Böhm</name></author><author><name sortKey="Einert, Marcus" uniqKey="Einert M">Marcus Einert</name></author><author><name sortKey="Suchomski, Christian" uniqKey="Suchomski C">Christian Suchomski</name></author><author><name sortKey="Smarsly, Bernd M" uniqKey="Smarsly B">Bernd M Smarsly</name></author><author><name sortKey="Mutisya, Stephen" uniqKey="Mutisya S">Stephen Mutisya</name></author><author><name sortKey="Bertino, Massimo F" uniqKey="Bertino M">Massimo F Bertino</name></author></titleStmt><publicationStmt><date when="2014">2014</date><idno type="RBID">pubmed:24644269</idno><idno type="pmid">24644269</idno><idno type="doi">10.1002/smll.201300970</idno><idno type="wicri:Area/Main/Corpus">000111</idno><idno type="wicri:Area/Main/Curation">000111</idno><idno type="wicri:Area/Main/Exploration">000244</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Macroporous TiO2 (anatase) thin films are fabricated by an all low-temperature process in which substrates are dip-coated in suspensions of mixed anatase nanoparticles and polystyrene beads, and the templating agents are removed by ultraviolet (UV) irradiation at a temperature below 50 °C. Scanning electron microscopy (SEM) and Raman spectroscopy show that the templating polymer beads are removed by UV irradiation combined with the photocatalytic activity of TiO2 . X-Ray diffraction reveals that nanoparticle growth is negligible in UV irradiated films, while nanoparticle size increases by almost 10 times in calcined films that are prepared for comparison. The macroporous films are prepared on FTO-(fluorine-doped tin oxide) coated glass and ITO (indium tin oxide) coated flexible plastics and thereby used as working electrodes. In both cases, the films are electrochemically addressable, and cyclic voltammetry is consistent with the response of bulk TiO2 for calcined films and of nanoscale-TiO2 for UV-irradiated films.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="In-Data-Review"><PMID Version="1">24644269</PMID><DateCreated><Year>2014</Year><Month>04</Month><Day>14</Day></DateCreated><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1613-6829</ISSN><JournalIssue CitedMedium="Internet"><Volume>10</Volume><Issue>8</Issue><PubDate><Year>2014</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Small (Weinheim an der Bergstrasse, Germany)</Title><ISOAbbreviation>Small</ISOAbbreviation></Journal><ArticleTitle>An all low-temperature fabrication of macroporous, electrochemically addressable anatase thin films.</ArticleTitle><Pagination><MedlinePgn>1566-74</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/smll.201300970</ELocationID><Abstract><AbstractText>Macroporous TiO2 (anatase) thin films are fabricated by an all low-temperature process in which substrates are dip-coated in suspensions of mixed anatase nanoparticles and polystyrene beads, and the templating agents are removed by ultraviolet (UV) irradiation at a temperature below 50 °C. Scanning electron microscopy (SEM) and Raman spectroscopy show that the templating polymer beads are removed by UV irradiation combined with the photocatalytic activity of TiO2 . X-Ray diffraction reveals that nanoparticle growth is negligible in UV irradiated films, while nanoparticle size increases by almost 10 times in calcined films that are prepared for comparison. The macroporous films are prepared on FTO-(fluorine-doped tin oxide) coated glass and ITO (indium tin oxide) coated flexible plastics and thereby used as working electrodes. In both cases, the films are electrochemically addressable, and cyclic voltammetry is consistent with the response of bulk TiO2 for calcined films and of nanoscale-TiO2 for UV-irradiated films.</AbstractText><CopyrightInformation>© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Schröder</LastName><ForeName>Michael</ForeName><Initials>M</Initials><Affiliation>Justus-Liebig-Universität, Institute of Physical-Chemistry, Heinrich-Buff-Ring 58, D-35392, Giessen, Germany.</Affiliation></Author><Author ValidYN="Y"><LastName>Sallard</LastName><ForeName>Sébastien</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Böhm</LastName><ForeName>Matthias</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Einert</LastName><ForeName>Marcus</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Suchomski</LastName><ForeName>Christian</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Smarsly</LastName><ForeName>Bernd M</ForeName><Initials>BM</Initials></Author><Author ValidYN="Y"><LastName>Mutisya</LastName><ForeName>Stephen</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Bertino</LastName><ForeName>Massimo F</ForeName><Initials>MF</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>03</Month><Day>18</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Small</MedlineTA><NlmUniqueID>101235338</NlmUniqueID><ISSNLinking>1613-6810</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">UV treatment</Keyword><Keyword MajorTopicYN="N">colloid dispersion</Keyword><Keyword MajorTopicYN="N">macroporous films</Keyword><Keyword MajorTopicYN="N">sol-gel processes</Keyword><Keyword MajorTopicYN="N">template synthesis</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>3</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>8</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2014</Year><Month>3</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>3</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>3</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>3</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24644269</ArticleId><ArticleId IdType="doi">10.1002/smll.201300970</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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