Utilize este identificador para referenciar este registo: https://hdl.handle.net/1822/48558

TítuloReductive nanometric patterning of graphene oxide paper using electron beam lithography
Autor(es)Gonçalves, Gil
Borme, Jérôme
Bdkin, Igor
González-Mayorga, Ankor
Irurueta, Gonzalo
Nogueira, Helena I.S.
Serrano, María C.
Alpuim, P.
Marques, Paula A.A.P.
Palavras-chavegraphene oxide
graphene oxide paper
electron beam lithography
conductivity
nanoidentation
cytocompatibility
Nanoindentation
Reduction patterning
Data2018
EditoraElsevier
RevistaCarbon
Resumo(s)Electron beam lithography (EBL) was used for preparing nanostructured reduced patterns on the GO paper surface, while preserving its mechanical resistance and flexibility. Different EBL parameters, like dose and time of exposure for patterning were tested. SEM analysis showed the consequent increase of contrast of the reduced stripes on the patterned regions due to the increase of electron beam doses. Moreover, surface potential microscopy experiments also exhibited a clear contrast between the patterned and non-patterned regions. Structural analysis of the patterned paper through X-ray diffraction and nanoindentation showed that the interlayer distance between GO sheets decreases after reduction allowing the increase of the Hardness and Young modulus that makes this material able to be manipulated and integrated on different devices. Furthermore, we also observe that exposed areas to electron beam reduction process show an increase in the electrical conductivity up to 3 × 104 times. The developed flexible GO films can have interesting applications such as biosensors or templates for inducing tissue regeneration, by providing a surface with differently patterned cues with contrasting electron mobility. Preliminary in vitro studies with L929 fibroblasts support the cytocompatible nature of this patterned GO paper.
TipoArtigo
URIhttps://hdl.handle.net/1822/48558
DOI10.1016/j.carbon.2017.11.067
ISSN0008-6223
Versão da editorahttps://www.sciencedirect.com/science/article/pii/S0008622317311818
Arbitragem científicayes
AcessoAcesso aberto
Aparece nas coleções:CDF - CEP - Artigos/Papers (with refereeing)

Ficheiros deste registo:
Ficheiro Descrição TamanhoFormato 
Carbon 12597_10.1016_j.carbon.2017.11.067.pdf9,8 MBAdobe PDFVer/Abrir

Partilhe no FacebookPartilhe no TwitterPartilhe no DeliciousPartilhe no LinkedInPartilhe no DiggAdicionar ao Google BookmarksPartilhe no MySpacePartilhe no Orkut
Exporte no formato BibTex mendeley Exporte no formato Endnote Adicione ao seu ORCID