2017/10/26 by M. Mar Bernal, Maria del Mar Bernal, Bernal, Maria del Mar +8
Engineering · Materials Science · Physics and Astronomy · #Advancements in Battery Materials #Annealing (glass) #Chemical engineering #Composite material #FOS: Physical sciences #Graphene #Graphene and Nanomaterials Applications #Graphene foam #Graphene oxide paper #Graphene research and applications #Materials Science (cond-mat.mtrl-sci) #Materials science #Metallurgy #Nanotechnology #Oxide #Thermal #cond-mat.mtrl-sci
paper · pdf · doi:10.48550/arxiv.1710.09665
arxiv created 2017/10/26 · openalex publication_date 2017/10/26 · arxiv updated 2017/10/27 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06
In this study, we report a different strategy to prepare graphene nanopapers from direct vacuum filtration. Instead of the conventional method, i.e. thermal annealing nanopapers at extremely high temperatures prepared from graphene oxide (GO) or partially reduced GO, we fabricate our graphene nanopapers directly from suspensions of fully reduced graphene oxide (RGO), obtained after RGO and thermally annealing at 1700 °C in vacuum. By using this approach, we studied the effect of thermal annealing on the physical properties of the macroscopic graphene-based papers. Indeed, we demonstrated that the enhancement of the thermal and electrical properties of graphene nanopapers prepared from annealed RGO is strongly influenced by the absence of oxygen functionalities and the morphology of the nanoflakes. Hence, our methodology can be considered as a valid alternative to the classical approach.