Research on fabrication of modified graphene nanoplalelets conductive ink
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https://doi.org/10.54939/1859-1043.j.mst.97.2024.113-118Keywords:
Conductive ink; Nano graphene.Abstract
In this experiment, we studied and successfully modified graphene with oleic acid, proposed the modification process and selected the optimal 2.5% oleic acid content to modify GNPs. From there, we successfully manufactured conductive ink with CAB binder, ethyl acetate solvent and modified nano-graphene. Through the process of surveying and evaluating the effects on the material synthesis process, the optimal parameters for manufacturing conductive ink are given: ink with a composition ratio of 6% graphene powder (modified with 2,5% oleic acid) and 0.75% cellulose acetate butyrate binder dissolved in ethyl acetate solvent. In this ink formula, the lowest resistance obtained is 22 Ω and the resistivity is 7.56 Ω/cm-2.
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