SASIKALA, Suchithra Padmajan; NERI, Wilfrid; POULIN, Philippe; AYMONIER, Cyril

doi:10.1016/j.carbon.2018.06.076

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SASIKALA, Suchithra Padmajan
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

NERI, Wilfrid
Centre de Recherche Paul Pascal [CRPP]

POULIN, Philippe
Centre de Recherche Paul Pascal [CRPP]

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Carbon. 2018, vol. 139, p. 572-580

Elsevier

Resumen en inglés

The chemical/thermal in situ reduction of graphene oxide (GO) in GO-polymer composite is consistently challenged by the presence of undesirable chemical residues/temperature degradation restriction of the polymer. In order to tackle this problem, an effective in situ supercritical fluid reduction strategy comprising of supercritical CO2 and ethanol binary system under N2 atmosphere was developed by stepwise comparison of different reduction methods for graphene oxide-polyvinyl alcohol (GO-PVA) composite films. The resulting rGO-PVA composite films comprising of 10 wt% rGO showed an electrical conductivity of 51.7 S/m-and Young's modulus of 3.1 GPa. Different weight loadings of GO in the polymer composite films were found to affect the electrical and mechanical properties of the resulting rGO-polymer films. The in situ supercritical fluid reduction strategy was demonstrated further for successfully obtaining rGO-polyethylene glycol films (rGO-PEG) and rGO-PVA fiber.< Leer menos

DOI

http://dx.doi.org/10.1016/j.carbon.2018.06.076

Proyecto ANR

Initiative d'excellence de l'Université de Bordeaux - ANR-10-IDEX-0003

Orígen

Importado de Hal

Centros de investigación

Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB) - UMR 5026