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Ultra-Thin Films of Reduced Graphene Oxide (RGO) Nanoplatelets Functionalized with Different Organic Materials
PIPG Bioenergia-UNICAMP, Campinas, SP, Brazil.
Centro de Ciências e Tecnologias para a Sustentabilidade- UFSCa, Sorocaba, SP, Brazil.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
University of Campinas (UNICAMP), SP, Brazil .
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2016 (English)In: Journal of Bioprocessing & Biotechniques, ISSN 2155-9821, Vol. 6, no 3, 1000272Article in journal (Refereed) Published
Abstract [en]

This work aims the functionalization of reduced graphene oxide nanoplatelets with chitosan (G-chitosan) and also with poly(styrenesulfonic acid) (GPSS), thus forming stable, dispersed aqueous solutions. G-chitosan and GPSS solutions allowed the layer-by-layer (LbL) film formation with glucose oxidase (GOx), establishing multilayered nanostructures with elevated control in thickness and morphology. The graphene nanoplatelets were characterized by UV-vis and FTIR spectroscopies, resulting in good adherence and linear deposition of the graphene nanoplatelets with GOx in the LbL structures.Cyclic voltammetry shows an enlargement in the current intensity with increasing number of deposited LbL layers, possibly owing to the formation of conducting paths by the graphene nanoplatelets in the tailored multilayer nanomaterial formed

Place, publisher, year, edition, pages
2016. Vol. 6, no 3, 1000272
National Category
Condensed Matter Physics
URN: urn:nbn:se:miun:diva-27389DOI: 10.4172/2155-9821.1000272OAI: diva2:918980
Available from: 2016-04-12 Created: 2016-04-12 Last updated: 2016-04-21Bibliographically approved

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Volpati, Diogo
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