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Showing 1 to 20 of 160 for “"Graphene oxide"”.
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Optimizing graphene oxide reduction via laser irradiation
… report discusses a single step method to reduce graphene oxide via laser irradiation. A computer numerically controlled laser engraver equipped with a 450nm laser diode was engineered to conduct this research. Reduced graphene oxide samples were prepared on a polycarbonate substrate at various …
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Assessing graphene oxide for water desalination applications
… Following the exciting proposition of using graphene as a size-exclusion based desalination membrane, there has been a great deal of revived interest in the development of new membrane materials that overcome these challenges. Graphene oxide, made from the chemical exfoliation of graphite, …
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Crumpled Graphene Oxide: Aerosol Synthesis and Environmental Applications
… and engineering. In particular, two-dimensional graphene oxide (GO), has demonstrated considerable potential for advancing and even revolutionizing some of these technologies, such as engineered photocatalysts and membranes. To realize such potential, an industrially scalable process is needed to …
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Light induced reduction of individual graphene oxide films
Graphene oxide is a promising two-dimensional material with potential applications in many areas. It is basically a graphene basal plane decorated with various oxygen functional groups. By removing the functional groups through reduction, graphene oxide can be reduced to graphene-like films, hence …
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Carbon Dioxide Capture With Amine Functionlized Graphene Oxide
Abstract: amine functionalized graphene oxide was used as sorbent in order to achieve carbon dioxide capture. In this study, micro size graphite flakes was prepared according to modified hummers method and "hummers' method with additional kmno4." Graphene oxide was then functionalized with …
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Bioelectrochemical production of graphene oxide using bacteria as biocatalysts
The demand for production of graphene oxide (GO), which is a precursor for large-scale production of graphene, has been increasing due to the broad array of uses of both nanomaterials. Due to the unique electrical and mechanical properties of these 2D nanomaterials, applications in composites have …
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Multiscale Mechanics of Graphene Oxide and Graphene Based Composite Films
The mechanical behavior of graphene oxide is length scale dependent: orders of magnitude different between the bulk forms and monolayer counterparts. Understanding the underlying mechanisms plays a significant role in their versatile application. A systematic multiscale mechanical study from …
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Graphene Oxide Reinforcement in Plasma Sprayed Nickel-5%Aluminum Coatings
… problem is to mix small amounts of inexpensive graphene oxide in the powder feedstock. The incredible strength to weight ratio of graphene oxide makes it a viable additive to improve mechanical properties of metallic plasma sprayed coatings. The powder system chosen for this research is …
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Reactions of graphene oxide and buckminsterfullerene in the aquatic environment
… carbon-based nanomaterials, including C60 and graphene oxide, now being used in an increasing number of applications. Considering their widespread use, nanoparticles will inevitably find their way to the natural environment. However, their environmental fate and transport have not been …
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Graphene/Oxide Interactions with Polymer Networks Modeled Using Molecular Dynamics
<p>Due to its unique physical properties, graphene has shown great promise as an additive to Polymer Matrix Composites (PMCs) for material property enhancement. Achieving homogeneous dispersion of the graphene platelets within a polymeric network is critical to realizing these enhancements. …
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Friction and Wear of Polytetrafluoroethylene/Graphene Oxide Composite Thin Films
… PTFE films through the addition of few layered graphene oxide (GO) as filler. In order to address adhesion issues, the addition of an adhesive layer of polydopamine (PDA) between stainless steel substrates and thin PTFE films was also investigated.</p> <p>An automatic friction abrasion analyzer …
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Polymer-based Graphene Oxide Derivatives as a tunable multi-purpose platform
… Among the available carbon-based nanomaterials, Graphene has gained the role of keystone of this research field. Due to its unique structure based on a single layer carbon atoms honeycomb, it is classified as the thinnest material on earth and is characterized by incredible electric properties, …
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TEMPO-oxidized Nanofibrillated Cellulose Film (NFC) incorporating Graphene Oxide (GO) Nanofillers
… issues, such as toxicity and carbon dioxide emissions. Hence, the introduction of renewable, biodegradable, and biocompatible materials is becoming critical as substituents of conventional synthetic plastics. To design a new system of novel TEMPO-oxidized cellulose nanofibrils …
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Fluorinated Graphene Oxide: structure, morphology and its potential use in biological applications
… an optimization for these drawbacks. Fluorinated Graphene Oxide (FGO) is reported for the first time as a potential multimodal contrast agent, drug carrier as well as a photothermal therapy. FGO is a sheet like material with oxygen and fluorine functional groups present in the structure, a …
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Poly(Ethylene Oxide)/Graphene Oxide Polymer Nanocomposite Electrolyte for Lithium Ion Batteries
… of solid polymer electrolytes. In this study, graphene oxide (GO) nanosheets were used as nanosized fillers in polyethylene oxide (PEO) electrolyte. We demonstrated that about an order of magnitude improvement in lithium-ion conductivity, as high as 10-4 S/cm at room temperature, was achieved …
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Investigation on the Mechanical, Microstructural, and Electrical Properties of Graphene Oxide-Cement Composite
… regard, one of the carbon-based nanomaterials, Graphene Oxide (GO), has received attentions from researchers for its superior mechanical properties (e.g. tensile strength, yield strength, and Young's modulus). Although GO is not lucrative in increasing electrical conductivity (EC) of cement …
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Synthesis and Characterization of Novel Functional Materials based on Cellulose and Graphene Oxide
… functional materials based on cellulose and graphene derivatives. Cellulose/GO hydrogels were produced as the starting material by dissolving cellulose and dispersing GO in NaOH/urea solution. This method is considered as an efficient, simple, environmentally friendly, and low-cost method. …
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