Superflexibility of graphene oxide
Identifieur interne : 003B65 ( Ncbi/Merge ); précédent : 003B64; suivant : 003B66Superflexibility 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.
Abstract
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
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DOI: 10.1073/pnas.1605121113
PubMed: 27647890
PubMed Central: 5056031
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sort="Aboutalebi, Seyed Hamed" uniqKey="Aboutalebi S" first="Seyed Hamed" last="Aboutalebi">Seyed Hamed Aboutalebi</name><affiliation wicri:level="1"><nlm:aff id="aff3">Condensed Matter National Laboratory,<institution>Institute for Research in Fundamental Sciences</institution>, 19395-5531, Tehran,<country>Iran</country></nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Wallace, Gordon" sort="Wallace, Gordon" uniqKey="Wallace G" first="Gordon" last="Wallace">Gordon Wallace</name><affiliation wicri:level="1"><nlm:aff id="aff2">Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus,<institution>University of Wollongong</institution>, Wollongong, NSW 2522,<country>Australia</country>;</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Zakri, Cecile" sort="Zakri, Cecile" uniqKey="Zakri C" first="Cécile" last="Zakri">Cécile Zakri</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title><idno type="ISSN">0027-8424</idno><idno type="eISSN">1091-6490</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><title>Significance</title><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>, 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.</p></div></front></TEI><double pmid="27647890"><pmc><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Superflexibility of graphene oxide</title><author><name sortKey="Poulin, Philippe" sort="Poulin, Philippe" uniqKey="Poulin P" first="Philippe" last="Poulin">Philippe Poulin</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Jalili, Rouhollah" sort="Jalili, Rouhollah" uniqKey="Jalili R" first="Rouhollah" last="Jalili">Rouhollah Jalili</name><affiliation wicri:level="1"><nlm:aff id="aff2">Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus,<institution>University of Wollongong</institution>, Wollongong, NSW 2522,<country>Australia</country>;</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Neri, Wilfrid" sort="Neri, Wilfrid" uniqKey="Neri W" first="Wilfrid" last="Neri">Wilfrid Neri</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Nallet, Frederic" sort="Nallet, Frederic" uniqKey="Nallet F" first="Frédéric" last="Nallet">Frédéric Nallet</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Divoux, Thibaut" sort="Divoux, Thibaut" uniqKey="Divoux T" first="Thibaut" last="Divoux">Thibaut Divoux</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Colin, Annie" sort="Colin, Annie" uniqKey="Colin A" first="Annie" last="Colin">Annie Colin</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Aboutalebi, Seyed Hamed" sort="Aboutalebi, Seyed Hamed" uniqKey="Aboutalebi S" first="Seyed Hamed" last="Aboutalebi">Seyed Hamed Aboutalebi</name><affiliation wicri:level="1"><nlm:aff id="aff3">Condensed Matter National Laboratory,<institution>Institute for Research in Fundamental Sciences</institution>, 19395-5531, Tehran,<country>Iran</country></nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Wallace, Gordon" sort="Wallace, Gordon" uniqKey="Wallace G" first="Gordon" last="Wallace">Gordon Wallace</name><affiliation wicri:level="1"><nlm:aff id="aff2">Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus,<institution>University of Wollongong</institution>, Wollongong, NSW 2522,<country>Australia</country>;</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Zakri, Cecile" sort="Zakri, Cecile" uniqKey="Zakri C" first="Cécile" last="Zakri">Cécile Zakri</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27647890</idno><idno type="pmc">5056031</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5056031</idno><idno type="RBID">PMC:5056031</idno><idno type="doi">10.1073/pnas.1605121113</idno><date 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strict</wicri:regionArea></affiliation></author><author><name sortKey="Jalili, Rouhollah" sort="Jalili, Rouhollah" uniqKey="Jalili R" first="Rouhollah" last="Jalili">Rouhollah Jalili</name><affiliation wicri:level="1"><nlm:aff id="aff2">Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus,<institution>University of Wollongong</institution>, Wollongong, NSW 2522,<country>Australia</country>;</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Neri, Wilfrid" sort="Neri, Wilfrid" uniqKey="Neri W" first="Wilfrid" last="Neri">Wilfrid Neri</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Nallet, Frederic" sort="Nallet, Frederic" uniqKey="Nallet F" first="Frédéric" last="Nallet">Frédéric Nallet</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Divoux, Thibaut" sort="Divoux, Thibaut" uniqKey="Divoux T" first="Thibaut" last="Divoux">Thibaut Divoux</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Colin, Annie" sort="Colin, Annie" uniqKey="Colin A" first="Annie" last="Colin">Annie Colin</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Aboutalebi, Seyed Hamed" sort="Aboutalebi, Seyed Hamed" uniqKey="Aboutalebi S" first="Seyed Hamed" last="Aboutalebi">Seyed Hamed Aboutalebi</name><affiliation wicri:level="1"><nlm:aff id="aff3">Condensed Matter National Laboratory,<institution>Institute for Research in Fundamental Sciences</institution>, 19395-5531, Tehran,<country>Iran</country></nlm:aff><country xml:lang="fr">Iran</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Wallace, Gordon" sort="Wallace, Gordon" uniqKey="Wallace G" first="Gordon" last="Wallace">Gordon Wallace</name><affiliation wicri:level="1"><nlm:aff id="aff2">Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus,<institution>University of Wollongong</institution>, Wollongong, NSW 2522,<country>Australia</country>;</nlm:aff><country xml:lang="fr">Australie</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Zakri, Cecile" sort="Zakri, Cecile" uniqKey="Zakri C" first="Cécile" last="Zakri">Cécile Zakri</name><affiliation wicri:level="1"><nlm:aff id="aff1">Centre de Recherche Paul Pascal –<institution>CNRS, University of Bordeaux</institution>, 33600 Pessac,<country>France</country>;</nlm:aff><country xml:lang="fr">France</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title><idno type="ISSN">0027-8424</idno><idno type="eISSN">1091-6490</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><title>Significance</title><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>, 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.</p></div></front></TEI></pmc><pubmed><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Superflexibility of graphene oxide.</title><author><name sortKey="Poulin, Philippe" sort="Poulin, Philippe" uniqKey="Poulin P" first="Philippe" last="Poulin">Philippe Poulin</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author><author><name sortKey="Jalili, Rouhollah" sort="Jalili, Rouhollah" uniqKey="Jalili R" first="Rouhollah" last="Jalili">Rouhollah Jalili</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus, University of Wollongong, Wollongong, NSW 2522, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus, University of Wollongong, Wollongong, NSW 2522</wicri:regionArea><wicri:noRegion>NSW 2522</wicri:noRegion></affiliation></author><author><name sortKey="Neri, Wilfrid" sort="Neri, Wilfrid" uniqKey="Neri W" first="Wilfrid" last="Neri">Wilfrid Neri</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author><author><name sortKey="Nallet, Frederic" sort="Nallet, Frederic" uniqKey="Nallet F" first="Frédéric" last="Nallet">Frédéric Nallet</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author><author><name sortKey="Divoux, Thibaut" sort="Divoux, Thibaut" uniqKey="Divoux T" first="Thibaut" last="Divoux">Thibaut Divoux</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author><author><name sortKey="Colin, Annie" sort="Colin, Annie" uniqKey="Colin A" first="Annie" last="Colin">Annie Colin</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author><author><name sortKey="Aboutalebi, Seyed Hamed" sort="Aboutalebi, Seyed Hamed" uniqKey="Aboutalebi S" first="Seyed Hamed" last="Aboutalebi">Seyed Hamed Aboutalebi</name><affiliation wicri:level="1"><nlm:affiliation>Condensed Matter National Laboratory, Institute for Research in Fundamental Sciences, 19395-5531, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Condensed Matter National Laboratory, Institute for Research in Fundamental Sciences, 19395-5531, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Wallace, Gordon" sort="Wallace, Gordon" uniqKey="Wallace G" first="Gordon" last="Wallace">Gordon Wallace</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus, University of Wollongong, Wollongong, NSW 2522, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus, University of Wollongong, Wollongong, NSW 2522</wicri:regionArea><wicri:noRegion>NSW 2522</wicri:noRegion></affiliation></author><author><name sortKey="Zakri, Cecile" sort="Zakri, Cecile" uniqKey="Zakri C" first="Cécile" last="Zakri">Cécile Zakri</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France; zakri@crpp-bordeaux.cnrs.fr.</nlm:affiliation><country wicri:rule="url">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2016">2016</date><idno type="RBID">pubmed:27647890</idno><idno type="pmid">27647890</idno><idno type="doi">10.1073/pnas.1605121113</idno><idno type="wicri:Area/PubMed/Corpus">001735</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">001735</idno><idno type="wicri:Area/PubMed/Curation">001712</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">001712</idno><idno type="wicri:Area/PubMed/Checkpoint">001712</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">001712</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Superflexibility of graphene oxide.</title><author><name sortKey="Poulin, Philippe" sort="Poulin, Philippe" uniqKey="Poulin P" first="Philippe" last="Poulin">Philippe Poulin</name><affiliation wicri:level="3"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region><settlement type="city">Pessac</settlement></placeName></affiliation></author><author><name sortKey="Jalili, Rouhollah" sort="Jalili, Rouhollah" uniqKey="Jalili R" first="Rouhollah" last="Jalili">Rouhollah Jalili</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus, University of Wollongong, Wollongong, NSW 2522, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus, University of Wollongong, Wollongong, NSW 2522</wicri:regionArea><wicri:noRegion>NSW 2522</wicri:noRegion></affiliation></author><author><name sortKey="Neri, Wilfrid" sort="Neri, Wilfrid" uniqKey="Neri W" first="Wilfrid" last="Neri">Wilfrid Neri</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author><author><name sortKey="Nallet, Frederic" sort="Nallet, Frederic" uniqKey="Nallet F" first="Frédéric" last="Nallet">Frédéric Nallet</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author><author><name sortKey="Divoux, Thibaut" sort="Divoux, Thibaut" uniqKey="Divoux T" first="Thibaut" last="Divoux">Thibaut Divoux</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author><author><name sortKey="Colin, Annie" sort="Colin, Annie" uniqKey="Colin A" first="Annie" last="Colin">Annie Colin</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author><author><name sortKey="Aboutalebi, Seyed Hamed" sort="Aboutalebi, Seyed Hamed" uniqKey="Aboutalebi S" first="Seyed Hamed" last="Aboutalebi">Seyed Hamed Aboutalebi</name><affiliation wicri:level="1"><nlm:affiliation>Condensed Matter National Laboratory, Institute for Research in Fundamental Sciences, 19395-5531, Tehran, Iran.</nlm:affiliation><country xml:lang="fr">Iran</country><wicri:regionArea>Condensed Matter National Laboratory, Institute for Research in Fundamental Sciences, 19395-5531, Tehran</wicri:regionArea><wicri:noRegion>Tehran</wicri:noRegion></affiliation></author><author><name sortKey="Wallace, Gordon" sort="Wallace, Gordon" uniqKey="Wallace G" first="Gordon" last="Wallace">Gordon Wallace</name><affiliation wicri:level="1"><nlm:affiliation>Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus, University of Wollongong, Wollongong, NSW 2522, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Research Council Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, Australian Institute of Innovative Materials Facility, Innovation Campus, University of Wollongong, Wollongong, NSW 2522</wicri:regionArea><wicri:noRegion>NSW 2522</wicri:noRegion></affiliation></author><author><name sortKey="Zakri, Cecile" sort="Zakri, Cecile" uniqKey="Zakri C" first="Cécile" last="Zakri">Cécile Zakri</name><affiliation wicri:level="1"><nlm:affiliation>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac, France; zakri@crpp-bordeaux.cnrs.fr.</nlm:affiliation><country wicri:rule="url">France</country><wicri:regionArea>Centre de Recherche Paul Pascal - CNRS, University of Bordeaux, 33600 Pessac</wicri:regionArea><wicri:noRegion>33600 Pessac</wicri:noRegion><wicri:noRegion>33600 Pessac</wicri:noRegion></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title><idno type="eISSN">1091-6490</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Graphene oxide (GO), the main precursor of graphene-based materials made by solution processing, is known to be very stiff. Indeed, it has a Young's modulus comparable to steel, on the order of 300 GPa. Despite its very high stiffness, we show here that GO is superflexible. We quantitatively measure the GO bending rigidity by characterizing the flattening of thermal undulations in response to shear forces in solution. Characterizations are performed by the combination of synchrotron X-ray diffraction at small angles and in situ rheology (rheo-SAXS) experiments using the high X-ray flux of a synchrotron source. The bending modulus is found to be 1 kT, which is about two orders of magnitude lower than the bending rigidity of neat graphene. This superflexibility compares with the fluidity of self-assembled liquid bilayers. This behavior is discussed by considering the mechanisms at play in bending and stretching deformations of atomic monolayers. The superflexibility of GO is a unique feature to develop bendable electronics after reduction, films, coatings, and fibers. This unique combination of properties of GO allows for flexibility in processing and fabrication coupled with a robustness in the fabricated structure.</div></front></TEI></pubmed></double></record>Pour manipuler ce document sous Unix (Dilib)
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