Synthesis, Structure, and Properties of Graphene and Graphene Oxide

Zheng, Qingbin; Kim, Jang Kyo

doi:10.1007/978-1-4939-2769-2_2

Cited by 32 publications

(32 citation statements)

References 256 publications

(388 reference statements)

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“…Epitaxial growth is a substrate-based technique in which G is grown on a SiC single-crystal by thermal treatment under vacuum at high temperature (~1300 • C). The thickness of G layers can be tailored by controlling temperature and time, and the uniformity of the thickness improves with an annealing process [8].…”

Section: Introductionmentioning

confidence: 99%

Antibacterial Action of Nanoparticle Loaded Nanocomposites Based on Graphene and Its Derivatives: A Mini-Review

Díez‐Pascual

2020

IJMS

102

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Bacterial infections constitute a severe problem in various areas of everyday life, causing pain and death, and adding enormous costs to healthcare worldwide. Besides, they cause important concerns in other industries, such as cloth, food packaging, and biomedicine, among others. Despite the intensive efforts of academics and researchers, there is lack of a general solutions to restrict bacterial growth. Among the various approaches, the use of antibacterial nanomaterials is a very promising way to fight the microorganisms due to their high specific surface area and intrinsic or chemically incorporated antibacterial action. Graphene, a 2D carbon-based ultra-thin biocompatible nanomaterial with excellent mechanical, thermal, and electrical properties, and its derivatives, graphene oxide (GO) and reduced graphene oxide (rGO), are highly suitable candidates for restricting microbial infections. However, the mechanisms of antimicrobial action, their cytotoxicity, and other issues remain unclear. This mini-review provides select examples on the leading advances in the development of antimicrobial nanocomposites incorporating inorganic nanoparticles and graphene or its derivatives, with the aim of providing a better understanding of the antibacterial properties of graphene-based nanomaterials.

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Section: Introductionmentioning

confidence: 99%

Antibacterial Action of Nanoparticle Loaded Nanocomposites Based on Graphene and Its Derivatives: A Mini-Review

Díez‐Pascual

2020

IJMS

102

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“…The 2D band at room temperature exhibits a single Lorentzian feature with a full width at half maximum (FWHM) of 28cm − and~32 cm − before and after transferring. Furthermore, the intensity ratio I(D)/I(2D) between the 2D band (located at~2690 cm − ) and G band mode (G band located at~1580 cm − ) is over 2 and 2D width FWHM~30 cm − which indicates single layer graphene [6,16].…”

Section: Resultsmentioning

confidence: 99%

“…Recently, graphene is regarded as an excellent candidate to replace ITO due to its outstanding properties as high electronic mobility, exceptionally low absorbance and bent ability on the exible substrates [6]. Several applications of graphene in solar cells, organic lightemitting diodes, photodetectors, etc., have been reported and demonstrated [7,8].…”

Section: Introductionmentioning

confidence: 99%

Large Scale Liquid Crystal Device with Graphene-based Electrodes

Petrov¹,

Marinova²,

Lin³

et al. 2017

Optical Data Processing and Storage

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Abstract:The new generation Liquid-Crystal Displays (LCDs) will play a key role in modern display industry thus the requirements concerning the response time, power consumption, viewing angles, contrast ratio and easy production stay beyond challenging. In this paper we demonstrate fabrication of large scale liquid crystal device with graphene-based electrodes using a photo-alignment technique. The quality of graphene layer, grown by low pressure CVD method and transferred on the glass substrates was characterized by several techniques: Raman spectroscopy, optical transmittance and electrical measurements. A photo-alignment method instead of commonly used mechanical rubbing technique was used to protect the graphene surface and prevent its partial deattachment from the glass substrates by coating a polyimide layer on the top of graphene. Measured modulation characteristics reveal that the photo-alignment technique possesses great potential for next generation graphenebased LC device fabrication.

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“…During the sliding process, the COF was small, and the By testing different contents of FLG to the base oil, we observe that a low content of FLG is better in deterring temperature rise at low-speed (500 r•min −1 rotating speed). First of all, this can be attributed to the excellent physical properties of FLG (high thermal conductivity and large specific surface area) [16]. When a small amount of FLG is added to Mdol, the overall thermal conductivity of the mixed liquid is increased [17].…”

Section: Tribological Propertiesmentioning

confidence: 99%

Experimental Study on the Lubrication and Cooling Effect of Graphene in Base Oil for Si3N4/Si3N4 Sliding Pairs

et al. 2020

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Recently, the engineering structural ceramics as friction and wear components in manufacturing technology and devices have attracted much attention due to their high strength and corrosion resistance. In this study, the tribological properties of Si3N4/Si3N4 sliding pairs were investigated by adding few-layer graphene to base lubricating oil on the lubrication and cooling under different experimental conditions. Test results showed that lubrication and cooling performance was obviously improved with the addition of graphene at high rotational speeds and low loads. For oil containing 0.1 wt% graphene at a rotational speed of 3000 r·min−1 and 40 N loads, the average friction coefficient was reduced by 76.33%. The cooling effect on Si3N4/Si3N4 sliding pairs, however, was optimal at low rotational speeds and high loads. For oil containing 0.05 wt% graphene at a lower rotational speed of 500 r·min−1 and a higher load of 140 N, the temperature rise was reduced by 19.76%. In addition, the wear mark depth would decrease when adding appropriate graphene. The mechanism behind the reduction in friction and anti-wear properties was related to the formation of a lubricating protective film.

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Synthesis, Structure, and Properties of Graphene and Graphene Oxide

Cited by 32 publications

References 256 publications

Antibacterial Action of Nanoparticle Loaded Nanocomposites Based on Graphene and Its Derivatives: A Mini-Review

Antibacterial Action of Nanoparticle Loaded Nanocomposites Based on Graphene and Its Derivatives: A Mini-Review

Large Scale Liquid Crystal Device with Graphene-based Electrodes

Experimental Study on the Lubrication and Cooling Effect of Graphene in Base Oil for Si3N4/Si3N4 Sliding Pairs

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