AustralieFrV1, Main, Exploration, bibRecord, 001694

Superflexibility of graphene oxide

Identifieur interne : 001694 ( Main/Exploration ); précédent : 001693; suivant : 001695

Superflexibility of graphene oxide

Auteurs : Philippe Poulin [France] ; Rouhollah Jalili [Australie] ; Wilfrid Neri [France] ; Frédéric Nallet [France] ; Thibaut Divoux [France] ; Annie Colin [France] ; Seyed Hamed Aboutalebi [Iran] ; Gordon Wallace [Australie] ; Cécile Zakri [France]

Source :

Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2016.

RBID : PMC:5056031

Abstract

Significance

Bending of a thin plate simultaneously involves contraction and stretching of matter relative to a neutral plane, and tensile rigidity dictates the ability of a thin platelet to be bent. If graphene or graphene oxide (GO) were actually behaving as thin platelets, they would display high bending rigidity. Bending measurements for atomic monolayers remain particularly challenging because of their difficult manipulation. We quantitatively measure the GO bending rigidity by characterizing the flattening of thermal undulations in response to shear forces in solution. The bending modulus is found to be 1 kT, which is about two orders of magnitude lower than the bending rigidity of neat graphene. Amazingly, the high stiffness of GO is associated with an unexpected low bending modulus.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5056031

DOI: 10.1073/pnas.1605121113
PubMed: 27647890
PubMed Central: 5056031

Affiliations:

Australie, France, Iran

Le document en format XML

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<p>Bending of a thin plate simultaneously involves contraction and stretching of matter relative to a neutral plane, and tensile rigidity dictates the ability of a thin platelet to be bent. If graphene or graphene oxide (GO) were actually behaving as thin platelets, they would display high bending rigidity. Bending measurements for atomic monolayers remain particularly challenging because of their difficult manipulation. We quantitatively measure the GO bending rigidity by characterizing the flattening of thermal undulations in response to shear forces in solution. The bending modulus is found to be 1 <italic>kT</italic>
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Serveur d'exploration sur les relations entre la France et l'Australie

Superflexibility of graphene oxide

Superflexibility of graphene oxide

Source :

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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	Serveur d'exploration sur les relations entre la France et l'Australie
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