Fabrication, structure and mechanism of reduced graphene oxide-based carbon composite films

Abstract

5This work suggested an effective approach to fabricating the reduced graphene oxide based carbon (RGO/C) composite films. Carbonization of graphene oxide reinforced polyimide (GO/PI) composite films were investigated by the thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Crystalline structures and carbonized mechanism of the RGO/C composite films were investigated in detail by an X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). 10Furthermore, the carbonization yields were improved due to catalytic effects of RGO. These RGO/C composite films exhibited the obvious structural orientations by SEM investigation of their cross sections.

Covalently-functionalized graphene oxide via introduction of bifunctional phosphorus-containing molecules as an effective flame retardant for polystyrene

“… 26 Finally, a limited char residue is observed. For PS-GO1.0, due to the lower thermal stability of GO, 27 the temperature at 10 wt% weight loss ( T 0.1 ) is somewhat lower than that of PS. Meanwhile, in comparison with the onset degradation temperatures of PS-GO1.0, a decrease in T 0.1 of PS-FGO1.0 is observed, and this can be explained by the cleavage of the relatively weak P–O–C linkage in FGO, which can accelerate the degradation of the matrix.…”

Effect of Coir Fiber and Inorganic Filler Hybridization on Innegra Fiber Reinforced Epoxy Polymer Composites: Physical and Mechanical Properties

“…The initial weight loss of epoxy hybrid composites is critical to interpreting their thermal stability. Furthermore, the epoxy resins have a comparably higher cross-linking focus which establishes comparably higher degradation temperature (Niu et al, 2014;Chatterjee and Islam, 2008). The improvement in thermal stability of CFIPE composite was because of the strong interaction of polymeric network, llers, and Innegra fabrics.…”

Catalytic and enhanced effects of silicon carbide nanoparticles on carbonization and graphitization of polyimide films

“…Recently, the catalytic effects of nickel (Ni) particles 15 and Fe 2 O 3 NPs 16 were investigated in PI and chlorinated poly(vinyl chloride) (CPVC) resins. The results demonstrated some excellent advantages, which could shorten the carbonized process at 1600 C and improve the degree of graphitization at 2600 C. Furthermore, PI lms containing graphene, 17 boron, 18 nitrogen 19 and sulfur 20 atoms were also used to accelerate the carbonization process and enhance the mechanical properties of the carbonized lms. However, it was difficult to homogeneously disperse these metallic particles into the majority of PI lms because of the differences in polarity and compatibility.…”