Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour

Detalhes bibliográficos
Autor(a) principal: Teschke, Omar, 1944-
Data de Publicação: 2007
Tipo de documento: Artigo
Título da fonte: Repositório da Produção Científica e Intelectual da Unicamp
Texto Completo: https://hdl.handle.net/20.500.12733/1666437
Resumo: Abstract: We measured water/air interfacial energy as functions of the finest texture radius of annealed PTFE substrates where air bubbles are anchored. The calculated line tension from measured force vs distance curves for a 7 nm PTFE substrate texture radius is (28 +/- 8) x 10(-9) N. However, the most surprising aspect is that this effect is not restricted to the triple line vicinity, previously estimated to be similar to 100 A but spreads all over the water/air bubble interface. The proposed method is an alternative to the controversial contact angle measurement for estimating the line tension contribution
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spelling Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contourMicroscopia de força atômicaNanoestruturaMedidas de YoungAtomic force microscopyNanostructuresYoung measuresArtigo originalAbstract: We measured water/air interfacial energy as functions of the finest texture radius of annealed PTFE substrates where air bubbles are anchored. The calculated line tension from measured force vs distance curves for a 7 nm PTFE substrate texture radius is (28 +/- 8) x 10(-9) N. However, the most surprising aspect is that this effect is not restricted to the triple line vicinity, previously estimated to be similar to 100 A but spreads all over the water/air bubble interface. The proposed method is an alternative to the controversial contact angle measurement for estimating the line tension contributionFUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULO - FAPESPCONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO - CNPQFechadoUNIVERSIDADE ESTADUAL DE CAMPINASTeschke, Omar, 1944-2007info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.12733/1666437TESCHKE, Omar. Line tension at high contact angle wetting: contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour. Chemical physics letters. Amsterdam : Elsevier, 2007. Vol. 447, n. 4/6 (Oct., 2007), p. 379-383. Disponível em: https://hdl.handle.net/20.500.12733/1666437. Acesso em: 24 mai. 2023.Inglêshttps://repositorio.unicamp.br/acervo/detalhe/1219138reponame:Repositório da Produção Científica e Intelectual da Unicampinstname:Universidade Estadual de Campinas (UNICAMP)instacron:UNICAMPinfo:eu-repo/semantics/openAccess2022-08-03T13:20:15Zoai:https://www.repositorio.unicamp.br/:1219138Repositório InstitucionalPUBhttp://repositorio.unicamp.br/oai/requestreposip@unicamp.bropendoar:2022-08-03T13:20:15Repositório da Produção Científica e Intelectual da Unicamp - Universidade Estadual de Campinas (UNICAMP)false
dc.title.none.fl_str_mv Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour
title Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour
spellingShingle Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour
Teschke, Omar, 1944-
Microscopia de força atômica
Nanoestrutura
Medidas de Young
Atomic force microscopy
Nanostructures
Young measures
Artigo original
title_short Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour
title_full Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour
title_fullStr Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour
title_full_unstemmed Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour
title_sort Line tension at high contact angle wetting : contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour
author Teschke, Omar, 1944-
author_facet Teschke, Omar, 1944-
author_role author
dc.contributor.none.fl_str_mv UNIVERSIDADE ESTADUAL DE CAMPINAS
dc.contributor.author.fl_str_mv Teschke, Omar, 1944-
dc.subject.por.fl_str_mv Microscopia de força atômica
Nanoestrutura
Medidas de Young
Atomic force microscopy
Nanostructures
Young measures
Artigo original
topic Microscopia de força atômica
Nanoestrutura
Medidas de Young
Atomic force microscopy
Nanostructures
Young measures
Artigo original
description Abstract: We measured water/air interfacial energy as functions of the finest texture radius of annealed PTFE substrates where air bubbles are anchored. The calculated line tension from measured force vs distance curves for a 7 nm PTFE substrate texture radius is (28 +/- 8) x 10(-9) N. However, the most surprising aspect is that this effect is not restricted to the triple line vicinity, previously estimated to be similar to 100 A but spreads all over the water/air bubble interface. The proposed method is an alternative to the controversial contact angle measurement for estimating the line tension contribution
publishDate 2007
dc.date.none.fl_str_mv 2007
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://hdl.handle.net/20.500.12733/1666437
TESCHKE, Omar. Line tension at high contact angle wetting: contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour. Chemical physics letters. Amsterdam : Elsevier, 2007. Vol. 447, n. 4/6 (Oct., 2007), p. 379-383. Disponível em: https://hdl.handle.net/20.500.12733/1666437. Acesso em: 24 mai. 2023.
url https://hdl.handle.net/20.500.12733/1666437
identifier_str_mv TESCHKE, Omar. Line tension at high contact angle wetting: contribution to interfacial energy at long distances (gt; 100 angstrom) from the triple line contour. Chemical physics letters. Amsterdam : Elsevier, 2007. Vol. 447, n. 4/6 (Oct., 2007), p. 379-383. Disponível em: https://hdl.handle.net/20.500.12733/1666437. Acesso em: 24 mai. 2023.
dc.language.iso.fl_str_mv Inglês
language_invalid_str_mv Inglês
dc.relation.none.fl_str_mv https://repositorio.unicamp.br/acervo/detalhe/1219138
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositório da Produção Científica e Intelectual da Unicamp
instname:Universidade Estadual de Campinas (UNICAMP)
instacron:UNICAMP
instname_str Universidade Estadual de Campinas (UNICAMP)
instacron_str UNICAMP
institution UNICAMP
reponame_str Repositório da Produção Científica e Intelectual da Unicamp
collection Repositório da Produção Científica e Intelectual da Unicamp
repository.name.fl_str_mv Repositório da Produção Científica e Intelectual da Unicamp - Universidade Estadual de Campinas (UNICAMP)
repository.mail.fl_str_mv reposip@unicamp.br
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