Please use this identifier to cite or link to this item: https://hdl.handle.net/1822/77284

TitleEnvironmentally friendly conductive screen‐printable inks based on N‐Doped graphene and polyvinylpyrrolidone
Author(s)Franco, Miguel
Motealleh, Azadeh
Costa, Carlos M.
Hilliou, L.
Perinka, Nikola
Ribeiro, Clarisse
Viana, Júlio César
Costa, Pedro
Lanceros-Méndez, S.
Keywordsbiocompatible inks
conductive inks
graphene
green electronics
screen printing
Issue date2021
PublisherWiley
JournalAdvanced Engineering Materials
Abstract(s)[Excerpt] The development of polymer-based conductive inks has gained increasing interest in the areas of printed and molded electronics. Graphene-based materials are explored in this scope, reduced graphene oxide (rGO) being among the most used conductive filler components of the inks. Herein, rGO is doped with nitrogen to obtain N-rGO; the replacement of oxygen atoms by nitrogen ones increases the electrical conductivity of graphene. Polymer-based conductive inks reinforced with graphene are developed based on polyvinylpyrrolidone (PVP) as polymer binder and dihydrolevoglucosenone (Cyrene) as solvent, leading thus to environmentally friendly conductive inks. Screen-printable inks are optimized in terms of viscosity and adhesion properties, leading to printed films with sheet resistance close to Rs ¼ 1 kΩ sq1 , the graphene:PVP inks being also biocompatible and nontoxic.
TypeArticle
URIhttps://hdl.handle.net/1822/77284
DOI10.1002/adem.202101258
ISSN1438-1656
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:IPC - Artigos em revistas científicas internacionais com arbitragem

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