Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films

Autores
Qiao, Le; Vega, Daniel Alberto; Schmid, Friederike
Año de publicación
2024
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Sphere-patterned ultrathin block copolymer films are potentially interesting for a variety of applications in nanotechnology. We use self-consistent field theory to investigate the elastic response of sphere monolayer films with respect to in-plane shear, in-plane extension, compression deformations, and bending. The relations between the in-plane elastic moduli are roughly compatible with the expectations for two-dimensional elastic systems with hexagonal symmetry, with one notable exception: The pure shear and the simple shear moduli differ from each other by roughly 20%. Even more importantly, the bending constants are found to be negative, indicating that free-standing block copolymer membranes made of only a sphere monolayer are inherently unstable above the glass transition. Our results are discussed in view of the experimental findings.
Fil: Qiao, Le. Johannes Gutenberg Universitat Mainz; Alemania
Fil: Vega, Daniel Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; Argentina
Fil: Schmid, Friederike. Johannes Gutenberg Universitat Mainz; Alemania
Materia
polymer
copolymer
elasticity
thin films
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/277595
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/277595
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer FilmsQiao, LeVega, Daniel AlbertoSchmid, Friederikepolymercopolymerelasticitythin filmshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Sphere-patterned ultrathin block copolymer films are potentially interesting for a variety of applications in nanotechnology. We use self-consistent field theory to investigate the elastic response of sphere monolayer films with respect to in-plane shear, in-plane extension, compression deformations, and bending. The relations between the in-plane elastic moduli are roughly compatible with the expectations for two-dimensional elastic systems with hexagonal symmetry, with one notable exception: The pure shear and the simple shear moduli differ from each other by roughly 20%. Even more importantly, the bending constants are found to be negative, indicating that free-standing block copolymer membranes made of only a sphere monolayer are inherently unstable above the glass transition. Our results are discussed in view of the experimental findings.Fil: Qiao, Le. Johannes Gutenberg Universitat Mainz; AlemaniaFil: Vega, Daniel Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; ArgentinaFil: Schmid, Friederike. Johannes Gutenberg Universitat Mainz; AlemaniaAmerican Chemical Society2024-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/277595Qiao, Le; Vega, Daniel Alberto; Schmid, Friederike; Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films; American Chemical Society; Macromolecules; 57; 9; 4-2024; 4629-46340024-9297CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/acs.macromol.4c00460info:eu-repo/semantics/altIdentifier/doi/10.1021/acs.macromol.4c00460info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-12-23T14:17:18Zoai:ri.conicet.gov.ar:11336/277595instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-12-23 14:17:19.241CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films
title Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films
spellingShingle Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films
Qiao, Le
polymer
copolymer
elasticity
thin films
title_short Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films
title_full Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films
title_fullStr Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films
title_full_unstemmed Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films
title_sort Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films
dc.creator.none.fl_str_mv Qiao, Le
Vega, Daniel Alberto
Schmid, Friederike
author Qiao, Le
author_facet Qiao, Le
Vega, Daniel Alberto
Schmid, Friederike
author_role author
author2 Vega, Daniel Alberto
Schmid, Friederike
author2_role author
author
dc.subject.none.fl_str_mv polymer
copolymer
elasticity
thin films
topic polymer
copolymer
elasticity
thin films
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Sphere-patterned ultrathin block copolymer films are potentially interesting for a variety of applications in nanotechnology. We use self-consistent field theory to investigate the elastic response of sphere monolayer films with respect to in-plane shear, in-plane extension, compression deformations, and bending. The relations between the in-plane elastic moduli are roughly compatible with the expectations for two-dimensional elastic systems with hexagonal symmetry, with one notable exception: The pure shear and the simple shear moduli differ from each other by roughly 20%. Even more importantly, the bending constants are found to be negative, indicating that free-standing block copolymer membranes made of only a sphere monolayer are inherently unstable above the glass transition. Our results are discussed in view of the experimental findings.
Fil: Qiao, Le. Johannes Gutenberg Universitat Mainz; Alemania
Fil: Vega, Daniel Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto de Física del Sur. Universidad Nacional del Sur. Departamento de Física. Instituto de Física del Sur; Argentina
Fil: Schmid, Friederike. Johannes Gutenberg Universitat Mainz; Alemania
description Sphere-patterned ultrathin block copolymer films are potentially interesting for a variety of applications in nanotechnology. We use self-consistent field theory to investigate the elastic response of sphere monolayer films with respect to in-plane shear, in-plane extension, compression deformations, and bending. The relations between the in-plane elastic moduli are roughly compatible with the expectations for two-dimensional elastic systems with hexagonal symmetry, with one notable exception: The pure shear and the simple shear moduli differ from each other by roughly 20%. Even more importantly, the bending constants are found to be negative, indicating that free-standing block copolymer membranes made of only a sphere monolayer are inherently unstable above the glass transition. Our results are discussed in view of the experimental findings.
publishDate 2024
dc.date.none.fl_str_mv 2024-04
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/277595
Qiao, Le; Vega, Daniel Alberto; Schmid, Friederike; Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films; American Chemical Society; Macromolecules; 57; 9; 4-2024; 4629-4634
0024-9297
CONICET Digital
CONICET
url http://hdl.handle.net/11336/277595
identifier_str_mv Qiao, Le; Vega, Daniel Alberto; Schmid, Friederike; Stability and Elasticity of Ultrathin Sphere-Patterned Block Copolymer Films; American Chemical Society; Macromolecules; 57; 9; 4-2024; 4629-4634
0024-9297
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/acs.macromol.4c00460
info:eu-repo/semantics/altIdentifier/doi/10.1021/acs.macromol.4c00460
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Chemical Society
publisher.none.fl_str_mv American Chemical Society
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.952241

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