A nanocomposite of colloidal graphene oxide (CGO) and polyaniline (PANI) was fabricated via in situ oxidation polymerization the presence CGO prepared a modified Hummers method without dopant, which individually exfoliated. Its electrorheological properties other physical characteristics were studied.

Silica-graphene oxide (Si-GO) hybrid composite particles were prepared by the hydrolysis of tetraethyl orthosilicate (TEOS) in presence hydrophilic GO obtained from a modified Hummers method. Scanning electron microscopy (SEM) and transmission (TEM) images provided visible evidence silica nanoparticles grafted on surface GO, resulting Si-GO particles. Energy dispersive X-ray spectroscopy (EDX) diffraction (XRD) spectra indicated coexistence The showed better thermal stability than that...

Core–shell structured polystyrene (PS)–graphene oxide (GO) microspherical particles were synthesized by adsorbing the GO sheets on PS surface through a strong π–π stacking interaction. As core materials, monodispersed microspheres prepared using dispersion polymerization, while shell part of was modified Hummers method. Morphology composite studied both scanning electron microscopy and transmission microscopy, their structure chemical components examined viaX-ray diffraction...

Novel polarizable graphene oxide (GO) particles with oxidized groups on their edge and basal planes were prepared by a modified Hummers method, electro-responsive electrorheological (ER) characteristics when dispersed in silicone oil examined without an electric field applied. The fibrillation phenomenon of this GO-based fluid was also observed via optical microscope under applied field. Both flow curves dielectric spectra the ER measured using rotational rheometer LCR meter, respectively....

The purpose of this work was to fabricate high-performance dielectric materials for electrorheological (ER) application and electromagnetic (EM) wave attenuation. Commercial MoS2 bulks were exfoliated into nanosheets via combination ball-milling bath sonication procedures, which used as the template in situ grafting PANI nanoneedles (PANI-NDs) afford MoS2/PANI-NDs. length–diameter (L/D) ratio PANI-NDs on feasibly tuned modulating polymerization time. Therefore, tunable electrical...

The sedimentation stability of a carbonyl iron (CI)-based magnetorheological (MR) fluid was improved by wrapping CI particles with polystyrene (PS) foam layer. PS layer on the synthesized via conventional dispersion polymerization and subsequently foamed using supercritical carbon dioxide to produce core–shell structured particles. density decreased after PS-layer subsequent foaming. surface morphology observed scanning electron microscope (SEM) specific areas were determined...

Graphene oxide (GO) was used as a solid surfactant, and core–shell structured polystyrene (PS)–GO microspheres were fabricated using the Pickering emulsion polymerization method. The resulting electro-responsive ‘smart’ dispersed in silicone oil their electrorheological characteristics measured rotational rheometer under an applied electric field correlated with dielectric properties. GO found to impart properties polymer composite suspension field.

A graphene oxide/titania (GO/TiO2) nanocomposite was fabricated by a facile electrostatic attraction method. With high polarization of GO particles and relatively dielectric constant TiO2 nanoparticles, the GO/TiO2 is observed to be potential electro-responsive electrorheological material under an applied electric field.

Graphene oxide (GO), a graphene-related material containing oxygen-functional groups, has attracted considerable attention because of its strongly hydrophilic behavior and potential use in GO-hybrid composites. We put our focus on the fabrication rheological characteristics GO-based electrorheological magnetorheological smart fluids under electric magnetic fields, respectively this Highlight. A brief perspective significant role GO tribology amphiphilic Pickering emulsions are also included.

The Pickering emulsion process is an important and interesting way of forming hybrid soft matter particles stabilized by solid as surfactants instead the extensive use conventionally available organic surfactant molecules. This Highlight briefly reviews stimuli-responsive polymer/inorganic materials fabricated polymerization along with rheological characteristics their electrorheological magnetorheological smart fluids under electric magnetic fields, respectively.

A highly stretchable, adhesive and 3D-printable eutectic ion conductor was prepared applied for wearable electronics self-powered sensors.

Soft magnetic carbonyl iron (CI) particle-based magnetorheological (MR) fluids have been broadly used in mechanical systems due to their outstanding merits. However, serious sedimentation and agglomeration problems regarded as critical drawbacks during preparing testing the CI-based MR fluids. In this study, we adopted plate-like particles of graphene oxide (GO) a gap-filler for fluid improve its problem. properties were evaluated using rotational rheometer, improved dispersion...

This paper reports the facile preparation of graphene oxide (GO)-adsorbed snowman-like anisotropic poly(methyl methacrylate) (SPMMA) microspheres along with their electro-responsive electrorheological (ER) performance when dispersed in silicone oil. GO was prepared using a modified Hummers method, whereas monodispersed SPMMA particles were fabricated seed emulsion polymerization procedure. adsorbed on surface aid cationic surfactant cetyl trimethylammonium bromide through negative–positive...

A recent challenge in the field of electrorheology is to generate or enhance electrorheological (ER) activity an inactive lowly active suspension using core–shell structured particles.

Abstract This paper reports a facile approach for fabricating core‐shell structured graphene oxide (GO)‐wrapped amine‐modified poly(glycidyl methacrylate) (ami‐PGMA) microspheres. The resulting structure is confirmed by scanning electron micsroscopy (SEM) and transmission microscopy (TEM), whereas the coexistence of GO PGMA FTIR spectroscopy. thermal stability ami‐PGMA/GO microspheres enhanced compared with that pure novel composite microsphere‐based electrorheological (ER) fluid shows...