Production of Reduced Graphene Oxide by UV Irradiation

Wu, Tongshun; Liu, Sen; Li, Hailong; Wang, Lei; Sun, Xuping

doi:10.1166/jnn.2011.4987

Cited by 33 publications

(17 citation statements)

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“…Without any photocatalysts, the direct UV irradiation‐induced reduction of GO has been considered a self‐photocatalytic reduction (SPCR). Sun's group reported the SPCR of a GO suspension in the presence of N , N ‐dimethylformamide (DMF), serving as an electron donor. In their work, the use of natural sunlight for such an SPCR reaction was also demonstrated.…”

Section: Gos and Photoreduction Strategiesmentioning

confidence: 99%

Photoreduction of Graphene Oxides: Methods, Properties, and Applications

Zhang

Guo

Xia

et al. 2013

Advanced Optical Materials

255

140

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In view of mass-production and solution-processing capabilities, graphene oxides (GOs), generally prepared by chemical oxidation of graphite and subsequent exfoliation in aqueous solution, are widely used as an effective route to graphene-like materials. However, the oxygen-containing groups (OCGs) on the graphene sheets make GO insulating, which signifi cantly restricts its applications, especially for electronics. Therefore, reduction methods that are used to remove OCGs become critical. In recent years, in addition to thermal and chemical reduction, photoreduction has emerged as an appealing alternative because photoreduction does not rely on either high temperature or toxic chemicals. In this progress report, the recent development of the photoreduction of GOs and their unique properties are highlighted, as well as their related applications. Photoreduction strategies including photothermal reduction, catalytic/catalyst-free photochemical reduction, and solid state/ in-solution laser reduction are summarized. Moreover, photoreduction of GO permits exquisite control over fi lm conductivities, residual oxygen contents, porosity, and surface wettability, which lead to various functionalities towards a wide range of applications, such as fi eld-effect-transistors (FETs), fl exible electrodes, sensors, supercapacitors, Li-ion batteries, photovoltaic devices, and photocatalysis. It is anticipated that, with the rapid progress of photoreduction methodology, GOs would be more competitive in the grapheneoriented applications.

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Section: Gos and Photoreduction Strategiesmentioning

confidence: 99%

Photoreduction of Graphene Oxides: Methods, Properties, and Applications

Zhang

Guo

Xia

et al. 2013

Advanced Optical Materials

255

140

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“…However, it is clearly observed that the absorption peaks of nanoparticles locate at 209, 210 and 211 nm on the spectrum of LB/GO nanocomposites, respectively. Surprisingly, these peaks appear a red‐shift with the increasing of GO content in nanocomposites, which are ascribed to the electronic conjugation within the GO restored upon the UV irradiation …”

Section: Results and Characterisationmentioning

confidence: 99%

Synthesis and tribological behaviour of oleic acid‐capped lanthanum borate/graphene oxide nanocomposites

Cheng

Liu

2016

Lubrication Science

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The lanthanum borate/graphene oxide (LB/GO) nanocomposites were obtained by GO decorated by LB using an eco‐friendly hydrothermal method. For improving the oil solubility of the LB/GO nanocomposites, the oleic acid (OA)‐capped LB/GO (OA–LB/GO) nanocomposites were achieved. The as‐prepared nanocomposites were determined by a series of characterisations such as Fourier transform‐infrared spectroscopy (FT‐IR), X‐ray powder diffraction (XRD), Raman, UV‐vis, transmission electron microscopy (TEM) and SEM. The results indicated that most of LB nanoparticles with the size of 50–100 nm were well loaded on the surface of GO nanosheets. In addition, the tribological properties of the as‐prepared nanocomposites were tested by a four‐ball friction machine. The results demonstrated that the OA–LB/GO nanocomposites were of good anti‐wear ability and excellent load‐carrying capacity. Copyright © 2016 John Wiley & Sons, Ltd.

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“…Warm decrease: The warm decay of graphene oxide is more capable of passing on transcendent rGO powders than the vast majority of the materials. In this technique, the GO is reduced at higher temperatures (above or around 1000°C), where the water particles and oxygen reacts very deffusively and is being socked by own [43][44][45][46][47][48][49]. UV light decrease: In this strategy, GO is shown to UV light after it is expelled from graphite (either in the suspension shape or the film or powder diagram).…”

Section: Reduction Of Gomentioning

confidence: 99%

Mechanical and Thermal Properties of Graphene over Composite Materials: A Technical Review

Islam

Ahmed²,

Rashid

et al. 2019

jcme

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The recent years have seen numerous developments in the research and headway of graphene, the thinnest two-dimensional nuclear material. Graphene-based materials and their composites have promising applications in an extensive variety of fields; for example, gadgets, biomedical guides, films, adaptable wearable sensors, and actuators. The most recent investigations and movement in this branch of knowledge regularly deliver conflicting or uncertain outcomes. This article evaluates and outlines the distributed information in order to give a basic and complete diagram of the cutting edge. Initially, the particular basic nature of accessible graphene materials is illustrated as well as the distinctive generation methods accessible thus far. The appraisal at that point talks about the different composites that center diverse sub-practical routines; for example, mechanical and aggregate utilitarian applications (e.g., vitality, hardware biomedical, layers, and sensors). The use of graphene and its subsidiaries in the fabricate of nanocomposites with various polymer frameworks has been inspected. And finally, an ending and point of view are given to talking about the rest of the difficulties for graphene nanocomposites in useful science and building.

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Production of Reduced Graphene Oxide by UV Irradiation

Cited by 33 publications

References 0 publications

Photoreduction of Graphene Oxides: Methods, Properties, and Applications

Photoreduction of Graphene Oxides: Methods, Properties, and Applications

Synthesis and tribological behaviour of oleic acid‐capped lanthanum borate/graphene oxide nanocomposites

Mechanical and Thermal Properties of Graphene over Composite Materials: A Technical Review

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