Low-temperature synthesis of carbon nanotubes on indium tin oxide electrodes for organic solar cells.
Identifieur interne : 000C26 ( Main/Exploration ); précédent : 000C25; suivant : 000C27Low-temperature synthesis of carbon nanotubes on indium tin oxide electrodes for organic solar cells.
Auteurs : RBID : pubmed:23019547Abstract
The electrical performance of indium tin oxide (ITO) coated glass was improved by including a controlled layer of carbon nanotubes directly on top of the ITO film. Multiwall carbon nanotubes (MWCNTs) were synthesized by chemical vapor deposition, using ultrathin Fe layers as catalyst. The process parameters (temperature, gas flow and duration) were carefully refined to obtain the appropriate size and density of MWCNTs with a minimum decrease of the light harvesting in the cell. When used as anodes for organic solar cells based on poly(3-hexylthiophene) (P3HT) and phenyl-C61-butyric acid methyl ester (PCBM), the MWCNT-enhanced electrodes are found to improve the charge-carrier extraction from the photoactive blend, thanks to the additional percolation paths provided by the CNTs. The work function of as-modified ITO surfaces was measured by the Kelvin probe method to be 4.95 eV, resulting in an improved matching to the highest occupied molecular orbital level of the P3HT. This is in turn expected to increase the hole transport and collection at the anode, contributing to the significant increase of current density and open-circuit voltage observed in test cells created with such MWCNT-enhanced electrodes.
DOI: 10.3762/bjnano.3.60
PubMed: 23019547
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Low-temperature synthesis of carbon nanotubes on indium tin oxide electrodes for organic solar cells.</title><author><name sortKey="Capasso, Andrea" uniqKey="Capasso A">Andrea Capasso</name><affiliation wicri:level="1"><nlm:affiliation>School of Chemistry Physics and Mechanical Engineering, Queensland University of Technology, George St, 4000 Brisbane, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>School of Chemistry Physics and Mechanical Engineering, Queensland University of Technology, George St, 4000 Brisbane</wicri:regionArea></affiliation></author><author><name sortKey="Salamandra, Luigi" uniqKey="Salamandra L">Luigi Salamandra</name></author><author><name sortKey="Di Carlo, Aldo" uniqKey="Di Carlo A">Aldo Di Carlo</name></author><author><name sortKey="Bell, John Marcus" uniqKey="Bell J">John Marcus Bell</name></author><author><name sortKey="Motta, Nunzio" uniqKey="Motta N">Nunzio Motta</name></author></titleStmt><publicationStmt><date when="2012">2012</date><idno type="doi">10.3762/bjnano.3.60</idno><idno type="RBID">pubmed:23019547</idno><idno type="pmid">23019547</idno><idno type="wicri:Area/Main/Corpus">000A25</idno><idno type="wicri:Area/Main/Curation">000A25</idno><idno type="wicri:Area/Main/Exploration">000C26</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The electrical performance of indium tin oxide (ITO) coated glass was improved by including a controlled layer of carbon nanotubes directly on top of the ITO film. Multiwall carbon nanotubes (MWCNTs) were synthesized by chemical vapor deposition, using ultrathin Fe layers as catalyst. The process parameters (temperature, gas flow and duration) were carefully refined to obtain the appropriate size and density of MWCNTs with a minimum decrease of the light harvesting in the cell. When used as anodes for organic solar cells based on poly(3-hexylthiophene) (P3HT) and phenyl-C61-butyric acid methyl ester (PCBM), the MWCNT-enhanced electrodes are found to improve the charge-carrier extraction from the photoactive blend, thanks to the additional percolation paths provided by the CNTs. The work function of as-modified ITO surfaces was measured by the Kelvin probe method to be 4.95 eV, resulting in an improved matching to the highest occupied molecular orbital level of the P3HT. This is in turn expected to increase the hole transport and collection at the anode, contributing to the significant increase of current density and open-circuit voltage observed in test cells created with such MWCNT-enhanced electrodes.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="PubMed-not-MEDLINE"><PMID Version="1">23019547</PMID><DateCreated><Year>2012</Year><Month>09</Month><Day>28</Day></DateCreated><DateCompleted><Year>2012</Year><Month>10</Month><Day>01</Day></DateCompleted><DateRevised><Year>2013</Year><Month>05</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">2190-4286</ISSN><JournalIssue CitedMedium="Internet"><Volume>3</Volume><PubDate><Year>2012</Year></PubDate></JournalIssue><Title>Beilstein journal of nanotechnology</Title><ISOAbbreviation>Beilstein J Nanotechnol</ISOAbbreviation></Journal><ArticleTitle>Low-temperature synthesis of carbon nanotubes on indium tin oxide electrodes for organic solar cells.</ArticleTitle><Pagination><MedlinePgn>524-32</MedlinePgn></Pagination><Abstract><AbstractText>The electrical performance of indium tin oxide (ITO) coated glass was improved by including a controlled layer of carbon nanotubes directly on top of the ITO film. Multiwall carbon nanotubes (MWCNTs) were synthesized by chemical vapor deposition, using ultrathin Fe layers as catalyst. The process parameters (temperature, gas flow and duration) were carefully refined to obtain the appropriate size and density of MWCNTs with a minimum decrease of the light harvesting in the cell. When used as anodes for organic solar cells based on poly(3-hexylthiophene) (P3HT) and phenyl-C61-butyric acid methyl ester (PCBM), the MWCNT-enhanced electrodes are found to improve the charge-carrier extraction from the photoactive blend, thanks to the additional percolation paths provided by the CNTs. The work function of as-modified ITO surfaces was measured by the Kelvin probe method to be 4.95 eV, resulting in an improved matching to the highest occupied molecular orbital level of the P3HT. This is in turn expected to increase the hole transport and collection at the anode, contributing to the significant increase of current density and open-circuit voltage observed in test cells created with such MWCNT-enhanced electrodes.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Capasso</LastName><ForeName>Andrea</ForeName><Initials>A</Initials><Affiliation>School of Chemistry Physics and Mechanical Engineering, Queensland University of Technology, George St, 4000 Brisbane, Australia.</Affiliation></Author><Author ValidYN="Y"><LastName>Salamandra</LastName><ForeName>Luigi</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>Di Carlo</LastName><ForeName>Aldo</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Bell</LastName><ForeName>John Marcus</ForeName><Initials>JM</Initials></Author><Author ValidYN="Y"><LastName>Motta</LastName><ForeName>Nunzio</ForeName><Initials>N</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>07</Month><Day>19</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Beilstein J Nanotechnol</MedlineTA><NlmUniqueID>101551563</NlmUniqueID><ISSNLinking>2190-4286</ISSNLinking></MedlineJournalInfo><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Nano Lett. 2006 Jun;6(6):1107-12</RefSource><PMID Version="1">16771562</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Nano Lett. 2011 Jan 12;11(1):286-90</RefSource><PMID Version="1">21117704</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Nanotechnology. 2010 Jan 15;21(2):025201</RefSource><PMID Version="1">19955610</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Nano Lett. 2008 Mar;8(3):908-12</RefSource><PMID Version="1">18290634</PMID></CommentsCorrections></CommentsCorrectionsList><OtherID Source="NLM">PMC3458597</OtherID><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Kelvin probe</Keyword><Keyword MajorTopicYN="N">carbon nanotubes</Keyword><Keyword MajorTopicYN="N">electrode</Keyword><Keyword MajorTopicYN="N">indium tin oxide</Keyword><Keyword MajorTopicYN="N">organic photovoltaics</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>4</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>7</Month><Day>3</Day></PubMedPubDate><PubMedPubDate PubStatus="epublish"><Year>2012</Year><Month>7</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>9</Month><Day>29</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>9</Month><Day>29</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>9</Month><Day>29</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.3762/bjnano.3.60</ArticleId><ArticleId IdType="pubmed">23019547</ArticleId><ArticleId IdType="pmc">PMC3458597</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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