Robust infrared-shielding coating films prepared using perhydropolysilazane and hydrophobized indium tin oxide nanoparticles with tuned surface plasmon resonance.
Identifieur interne : 000431 ( Main/Exploration ); précédent : 000430; suivant : 000432Robust infrared-shielding coating films prepared using perhydropolysilazane and hydrophobized indium tin oxide nanoparticles with tuned surface plasmon resonance.
Auteurs : RBID : pubmed:24025399Abstract
Robust infrared (IR)-shielding coating films were prepared by dispersing indium tin oxide (ITO) nanoparticles (NPs) in a silica matrix. Hydrophobized ITO NPs were synthesized via a liquid phase process. The surface plasmon resonance (SPR) absorption of the ITO NPs could be tuned by varying the concentration of Sn doping from 3 to 30 mol %. The shortest SPR wavelength and strongest SPR absorption were obtained for the ITO NPs doped with 10% Sn because they possessed the highest electron carrier density. Coating films composed of a continuous silica matrix homogeneously dispersed with ITO NPs were obtained using perhydropolysilazane (PHPS) as a precursor. PHPS was completely converted to silica by exposure to the vapor from aqueous ammonia at 50 °C. The prepared coating films can efficiently shield IR radiation even though they are more than 80% transparent in the visible range. The coating film with the greatest IR-shielding ability completely blocked IR light at wavelengths longer than 1400 nm. The pencil hardness of this coating film was 9H at a load of 750 g, which is sufficiently robust for applications such as automotive glass.
DOI: 10.1021/am403011t
PubMed: 24025399
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Robust infrared-shielding coating films prepared using perhydropolysilazane and hydrophobized indium tin oxide nanoparticles with tuned surface plasmon resonance.</title><author><name sortKey="Katagiri, Kiyofumi" uniqKey="Katagiri K">Kiyofumi Katagiri</name><affiliation wicri:level="1"><nlm:affiliation>Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University , 1-4-1, Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University , 1-4-1, Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527</wicri:regionArea></affiliation></author><author><name sortKey="Takabatake, Ryuichi" uniqKey="Takabatake R">Ryuichi Takabatake</name></author><author><name sortKey="Inumaru, Kei" uniqKey="Inumaru K">Kei Inumaru</name></author></titleStmt><publicationStmt><date when="2013">2013</date><idno type="doi">10.1021/am403011t</idno><idno type="RBID">pubmed:24025399</idno><idno type="pmid">24025399</idno><idno type="wicri:Area/Main/Corpus">000408</idno><idno type="wicri:Area/Main/Curation">000408</idno><idno type="wicri:Area/Main/Exploration">000431</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Robust infrared (IR)-shielding coating films were prepared by dispersing indium tin oxide (ITO) nanoparticles (NPs) in a silica matrix. Hydrophobized ITO NPs were synthesized via a liquid phase process. The surface plasmon resonance (SPR) absorption of the ITO NPs could be tuned by varying the concentration of Sn doping from 3 to 30 mol %. The shortest SPR wavelength and strongest SPR absorption were obtained for the ITO NPs doped with 10% Sn because they possessed the highest electron carrier density. Coating films composed of a continuous silica matrix homogeneously dispersed with ITO NPs were obtained using perhydropolysilazane (PHPS) as a precursor. PHPS was completely converted to silica by exposure to the vapor from aqueous ammonia at 50 °C. The prepared coating films can efficiently shield IR radiation even though they are more than 80% transparent in the visible range. The coating film with the greatest IR-shielding ability completely blocked IR light at wavelengths longer than 1400 nm. The pencil hardness of this coating film was 9H at a load of 750 g, which is sufficiently robust for applications such as automotive glass.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="In-Process"><PMID Version="1">24025399</PMID><DateCreated><Year>2013</Year><Month>10</Month><Day>23</Day></DateCreated><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1944-8252</ISSN><JournalIssue CitedMedium="Internet"><Volume>5</Volume><Issue>20</Issue><PubDate><Year>2013</Year><Month>Oct</Month><Day>23</Day></PubDate></JournalIssue><Title>ACS applied materials & interfaces</Title><ISOAbbreviation>ACS Appl Mater Interfaces</ISOAbbreviation></Journal><ArticleTitle>Robust infrared-shielding coating films prepared using perhydropolysilazane and hydrophobized indium tin oxide nanoparticles with tuned surface plasmon resonance.</ArticleTitle><Pagination><MedlinePgn>10240-5</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1021/am403011t</ELocationID><Abstract><AbstractText>Robust infrared (IR)-shielding coating films were prepared by dispersing indium tin oxide (ITO) nanoparticles (NPs) in a silica matrix. Hydrophobized ITO NPs were synthesized via a liquid phase process. The surface plasmon resonance (SPR) absorption of the ITO NPs could be tuned by varying the concentration of Sn doping from 3 to 30 mol %. The shortest SPR wavelength and strongest SPR absorption were obtained for the ITO NPs doped with 10% Sn because they possessed the highest electron carrier density. Coating films composed of a continuous silica matrix homogeneously dispersed with ITO NPs were obtained using perhydropolysilazane (PHPS) as a precursor. PHPS was completely converted to silica by exposure to the vapor from aqueous ammonia at 50 °C. The prepared coating films can efficiently shield IR radiation even though they are more than 80% transparent in the visible range. The coating film with the greatest IR-shielding ability completely blocked IR light at wavelengths longer than 1400 nm. The pencil hardness of this coating film was 9H at a load of 750 g, which is sufficiently robust for applications such as automotive glass.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Katagiri</LastName><ForeName>Kiyofumi</ForeName><Initials>K</Initials><Affiliation>Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University , 1-4-1, Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan.</Affiliation></Author><Author ValidYN="Y"><LastName>Takabatake</LastName><ForeName>Ryuichi</ForeName><Initials>R</Initials></Author><Author ValidYN="Y"><LastName>Inumaru</LastName><ForeName>Kei</ForeName><Initials>K</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType><PublicationType>Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>09</Month><Day>25</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>ACS Appl Mater Interfaces</MedlineTA><NlmUniqueID>101504991</NlmUniqueID><ISSNLinking>1944-8244</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="aheadofprint"><Year>2013</Year><Month>9</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>9</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>9</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>9</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1021/am403011t</ArticleId><ArticleId IdType="pubmed">24025399</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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