Dispersible Graphene in water and in a bilayer graphene sheets are produced by direct exfoliation from graphite flakes in the presence of pyrene-labeled single-stranded DNA, and DNA immobilized on the surface of graphene is also hybridized with a gold nanoparticle-labeled DNA complementary to generate gold nanoparticle-graphene nanocomposites.
Dispersible Graphene has attracted tremendous interest in building loads due to its unique structure and excellent physical properties. However, the effective capacity has been largely limited because graphene Dispersible tends to agglomerate in a polymer matrix. In this study, the direct reduction of the graphene oxide (GO) in water in the presence of acid-treated carbon nanotubes multiwall (t-NTC) results in a homogeneous dispersion of the reduced graphene oxide (GO-r) and t-CNT hybrids. The hybrid three-dimensional r-GO/t-CNTs (abbreviated G-CNT hybrid) possess unique properties, making them ideal reinforcing fillers for polymer nanocomposites. Poly (vinyl alcohol) (PVA) composite containing G-CNT hybrid is then prepared by a casting process of plain water. Due to the synergistic interaction of these two types of nanofillers, the tensile strength and Young's modulus of the resulting nanocomposite PVA filled with only 0.6 wt% G-CNT hybrids are significantly improved by about 77% and 65 %, respectively.
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