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Shear Rheology Control of Wrinkles and Patterns in Graphene Oxide Films

hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorTARDANI, Franco
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorNERI, Wilfrid
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorZAKRI, Cécile
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorKELLAY, Hamid
hal.structure.identifierEcole Superieure de Physique et de Chimie Industrielles de la Ville de Paris [ESPCI Paris]
dc.contributor.authorCOLIN, Annie
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorPOULIN, Philippe
dc.date.created2017-12-19
dc.date.issued2018-03-06
dc.identifier.issn0743-7463
dc.description.abstractEnDrying graphene oxide (GO) films are subject to extensive wrinkling, which largely affects their final properties. Wrinkles were shown to be suitable in biotechno logical applications; however, they negatively affect the electronic properties of the films. Here, we report on wrinkle tuning and patterning of GO films under stress controlled conditions during drying. GO flakes assemble at an air−solvent interface; the assembly forms a skin at the surface and may bend due to volume shrinkage while drying. We applied a modification of evaporative lithography to spatially define the evaporative stress field. Wrinkle alignment is achieved over cm 2 areas. The wavelength (i.e., wrinkle spacing) is controlled in the μm range by the film thickness and GO concentration. Furthermore, we propose the use of nanoparticles to control capillary forces to suppress wrinkling. An example of a controlled pattern is given to elucidate the potential of the technique. The results are discussed in terms of classical elasticity theory. Wrinkling is the result of bending of the wet solid skin layer assembled on a highly elastic GO dispersion. Wavelength selection is the result of energy minimization between the bending of the skin and the elastic deformation of the GO supporting dispersion. The results strongly suggest the possibility to tune wrinkles and patterns by simple physicochemical routes.
dc.description.sponsorshipNouveaux types de fibres céramiques à base de carbonitrure de silicium à partir de polysilazanes modifiés par des composés organométalliques - ANR-15-CE09-0022
dc.language.isoen
dc.publisherAmerican Chemical Society
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/
dc.title.enShear Rheology Control of Wrinkles and Patterns in Graphene Oxide Films
dc.typeArticle de revue
dc.identifier.doi10.1021/acs.langmuir.7b04281
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Matière Molle [cond-mat.soft]
bordeaux.journalLangmuir
bordeaux.page2996 - 3002
bordeaux.volume34
bordeaux.issue9
bordeaux.peerReviewedoui
hal.identifierhal-01762840
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01762840v1
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