sciencedirect - synergistic production of graphene

Researchers manage to induce "artificial magnetic texture"

The electrodes revealed a surprise — the magnet induced an artificial magnetic texture in the graphene that persisted even in areas of the graphene away from the magnet. Put simply, the intimate contact between the two objects caused the normally nonmagnetic carbon to behave differently, exhibiting magnetic properties similar to common magnetic materials like iron or cobalt.

High

Fig. 1 Physical characterization of MW-rGO compared with pristine GO, rGO, and graphene grown by CVD. (A) Scanning electron microscopy of the single-layer GO flakes deposited on a silicon wafer.GO nanosheets typically have a lateral dimension of ~50 μm. (B) High-resolution x-ray photoelectron spectra from the C1s regions for microwaved reduced graphene oxide (MW-rGO) compared with pristine

Scalable production of thick graphene film for next

2020/10/15Owing to synergistic effect of removal of oxygen functional groups and repair of defects in the graphitization step, Rapid roll-to-roll production of graphene films using intensive Joule heating Carbon, 155 (2019), pp. 462-468 Article Download PDF View Record in

ScienceDirect

Graphene oxide is not conducive to the long-term protection of steel, and the residual chloride ions in polyaniline, especially in industrial production, accelerate the corrosion of coatings. Therefore, we prepared the modified graphite oxide and phytic acid-doped polyaniline to improve the protection time of graphene oxide coatings and the corrosion resistance of polyaniline.

Synergistic effect of nitrogen

2020/3/13Synergistic effect of nitrogen-doping and graphene quantum dot coupling for high-efficiency hydrogen production based on titanate nanotubes. Zhang L(1 ), Xue J, Long L, Yang L, Liu F, Lv F, Kong W, Liu J. Author information: (1)College of Physics Science and

Graphene

Graphene: Properties, Preparation, Characterization and Devices, Second Edition, provides a comprehensive look at the methods used to prepare and analyze graphene. Since the first edition's publication, there have been many advances in the understanding of graphene, in particular, its key properties and most relevant applications.

Researchers manage to induce "artificial magnetic texture"

The electrodes revealed a surprise — the magnet induced an artificial magnetic texture in the graphene that persisted even in areas of the graphene away from the magnet. Put simply, the intimate contact between the two objects caused the normally nonmagnetic carbon to behave differently, exhibiting magnetic properties similar to common magnetic materials like iron or cobalt.

Nanomaterials

In this study, the physicochemical and surface properties of the GO–Ag composite promote a synergistic antibacterial effect towards both Gram-negative Escherichia coli (E. coli) and Gram-positive Staphylococcus aureus (S. Aureus) bacteria. GO–Ag NPs have a better bactericidal effect on E. coli (73%) and S. Aureus (98.5%) than pristine samples (pure Ag or GO). Transmission electron

Graphene additives promote 'eco

We also learned that the degree of corrosion resistance for a given coating depends on the amount of both the graphene and the second, synergistic, corrosion-protection pigment. The optimum amounts differ for each second pigment used, and finding them has to be done experimentally, because so far no general theory has been established.

Mixed‐Valence Single‐Atom Catalyst Derived from

The synergistic effect of Cu(II) and Cu(I) is the essential part in the reaction mechanism. The developed strategy opens the door to a broad portfolio of other SACs via their coordination to various functional groups of graphene, as demonstrated by successful entrapment of Fe III /Fe II single atoms to carboxy‐graphene.

Graphene/Polymer Nanocomposites

Graphene has emerged as a subject of enormous scientific interest due to its exceptional electron transport, mechanical properties, and high surface area. When incorporated appropriately, these atomically thin carbon sheets can significantly improve physical properties of host polymers at extremely small loading. We first review production routes to exfoliated graphite with an emphasis on top

Synergistic effect of reduced graphene oxide and near

This work presents an effective way of enhancing MoS 2-mediated electrocatalytic hydrogen evolution, by exploiting the synergistic effect of reduced graphene oxide (rGO) and near-infrared (NIR) light.Various rGO-MoS 2 composites were obtained via hydrothermal method. composites were obtained via hydrothermal method.

Synergistic effect of nitrogen

2020/3/13Synergistic effect of nitrogen-doping and graphene quantum dot coupling for high-efficiency hydrogen production based on titanate nanotubes. Zhang L(1 ), Xue J, Long L, Yang L, Liu F, Lv F, Kong W, Liu J. Author information: (1)College of Physics Science and

Reduced Graphene Oxide/α

gate synergistic effects between them and potential use as an efficient active material for supercapacitors. According to the literature data various methodologies have been applied to produce graphene/metal oxide composites, like electrospinning,[24] or cold[7]

Nanostructured reduced graphene oxide/Fe2O3

Reduced graphene oxide/Fe(2)O(3) composite was prepared using a facile two-step synthesis by homogeneous precipitation and subsequent reduction of the G-O with hydrazine under microwave irradiation to yield reduced graphene oxide (RG-O) platelets decorated

Catalyst could make production of key chemical more

2016/4/7Catalyst could make production of key chemical more eco-friendly A new catalyst combining copper nanoparticles with a special type of graphene could lead to a greener way of producing ethylene, a key commodity chemical. Composite catalyst Nitrogen-rich

Graphene additives promote 'eco

We also learned that the degree of corrosion resistance for a given coating depends on the amount of both the graphene and the second, synergistic, corrosion-protection pigment. The optimum amounts differ for each second pigment used, and finding them has to be done experimentally, because so far no general theory has been established.

Graphene additives promote 'eco

We also learned that the degree of corrosion resistance for a given coating depends on the amount of both the graphene and the second, synergistic, corrosion-protection pigment. The optimum amounts differ for each second pigment used, and finding them has to be done experimentally, because so far no general theory has been established.

Graphene for Biomedical Applications

Graphene is a material formed from carbon in a honeycomb structure with one-atom thickness. It provides distinctive optical, thermal, electronic and mechanical properties. The material can be manufactured into sheets, flakes and graphene oxide to provide

Mixed‐Valence Single‐Atom Catalyst Derived from

The synergistic effect of Cu(II) and Cu(I) is the essential part in the reaction mechanism. The developed strategy opens the door to a broad portfolio of other SACs via their coordination to various functional groups of graphene, as demonstrated by successful entrapment of Fe III /Fe II single atoms to carboxy‐graphene.

Graphene

Graphene: Properties, Preparation, Characterization and Devices, Second Edition, provides a comprehensive look at the methods used to prepare and analyze graphene. Since the first edition's publication, there have been many advances in the understanding of graphene, in particular, its key properties and most relevant applications.

Millisecond lattice gasification for high

Etching single-layer graphene to incorporate a high pore density with sub-angstrom precision in molecular differentiation is critical to realize the promising high-flux separation of similar-sized gas molecules, e.g., CO2 from N2. However, rapid etching kinetics needed to achieve the high pore density is challenging to control for such precision. Here, we report a millisecond carbon

Synergistic Roll‐to‐Roll Transfer and Doping of

A roll‐to‐roll (R2R) transfer technique is employed to improve the electrical properties of transferred graphene on flexible substrates using parylene as an interfacial layer. A layer of parylene is deposited on graphene/copper (Cu) foils grown by chemical vapor deposition and are laminated onto ethylene vinyl acetate (EVA)/poly(ethylene terephthalate).

Catalyst could make production of key chemical more

2016/4/7Catalyst could make production of key chemical more eco-friendly A new catalyst combining copper nanoparticles with a special type of graphene could lead to a greener way of producing ethylene, a key commodity chemical. Composite catalyst Nitrogen-rich

Nanomaterials

In this study, the physicochemical and surface properties of the GO–Ag composite promote a synergistic antibacterial effect towards both Gram-negative Escherichia coli (E. coli) and Gram-positive Staphylococcus aureus (S. Aureus) bacteria. GO–Ag NPs have a better bactericidal effect on E. coli (73%) and S. Aureus (98.5%) than pristine samples (pure Ag or GO). Transmission electron

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