Growth and Properties of Carbon Microcoils and Nanocoils

Hikita, Muneaki; Bradford, Robyn L.; Lafdi, Khalid

doi:10.3390/cryst4040466

Cited by 8 publications

(2 citation statements)

References 74 publications

(156 reference statements)

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“…In 1953, Davis et al [22] firstly discovered the helical carbon fibers by the catalytic cracking of CO on the surface of refractory bricks. From then on, various morphologies helical carbon materials have been synthesized [23][24][25][26][27][28][29]. Compared to the ordinary flat carbon fibers, the HCMs in microscale or nanoscale process the characteristics of the low density, high specific strength, heat resistance, low thermal capacitance, and chemical stability [30,31].…”

Section: Introductionmentioning

confidence: 99%

A review of helical carbon materials structure, synthesis and applications

Wang

Jiao

et al. 2020

Rare Met.

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The helical structures possess unique physical and chemical properties, such as superelasticity, high specific strength, chirality, and electromagnetic cross-polarization characteristics. With the development of nanoscience and nanotechnology, helical structures with various scales have been discovered or synthesized artificially. Among them, the helical carbon materials receive much attention around the world. Herein, we present a brief review of the development of helical carbon materials in terms of structures, synthesis techniques and mechanisms, and applications. The controllable designing of catalysts, carbon sources and reaction parameters plays a key role to optimize the properties of the helical carbon materials. At the same time, the applications in microwave absorption devices, sensors, catalysts, energy conversions and storage devices, and solar cell are also presented. For the good chemical and physical properties, helical carbon materials have a good application prospect in many fields. The potential issues and future opportunities of the helical carbon materials are also proposed.

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Section: Introductionmentioning

confidence: 99%

A review of helical carbon materials structure, synthesis and applications

Wang

Jiao

et al. 2020

Rare Met.

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“…Ref. [10] reported on the detail's explanation on the formation of various types of coiled fibers. Comparing between short fibers and microparticles, short fibers can improve the EM wave absorber performance because of their high surface-to-volume ratio, quantum size effects and the network structure effect of the composite's material.…”

Section: Sc Sf S1 S2 S3mentioning

confidence: 99%

Electromagnetic Wave Absorption Performance of Carbon Nanocoils by Using Mixed Ferrites as Catalyst

Idris

Kaco

Mohd

et al. 2022

Erzincan Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Rapid development of electronic devices and advanced technology creates more electromagnetic wave interference that is harmful to human health as well as equipment. Thus, the use of electromagnetic (EM) wave absorber becomes more focused among researchers and attracted more public attention. Carbon nanocoils (CNs) have been introduced due to its chemical, physical and mechanical properties that can produce lightweight, wide absorption range and strong absorption. This research highlights the use of mixed ferrites (Fe3O4 and CoFe2O4) as catalyst to grow carbon nanocoils. Different weight percentages of Fe3O4 and CoFe2O4 were mixed to grow carbon nanocoils and further used as fillers to be incorporated into epoxy matrix. The morphological study of synthesized carbon nanocoils and reflection loss of the prepared polymer composites were studied in the range of X-band and Ku-band at thickness 1 mm, 2 mm, and 3 mm. The reflection loss achieved shows that mixed ferrites as catalyst to grow carbon nanocoils have great potential to be used as an excellent EM wave absorbers at low thickness.

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Materials’ characterization and properties of multiwalled carbon nanotubes from industrial waste as electromagnetic wave absorber

et al. 2022

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The development of high-frequency devices has attracted more research interest in electromagnetic wave-absorbing materials having lightweight, low filler content, thin thickness, minimum reflection loss and broad absorption bandwidth. Nevertheless, none of the materials uses steel waste (mill scale) as a potential lowcost catalyst to synthesize carbon nanotubes (CNT) as an electromagnetic (EM) wave absorber. Hence, multiwalled carbon nanotubes loaded in epoxy resin with an increasing polymer composite thickness of 1 mm, 2 mm, and 3 mm were introduced in this study. With varying

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Growth and Properties of Carbon Microcoils and Nanocoils

Cited by 8 publications

References 74 publications

A review of helical carbon materials structure, synthesis and applications

A review of helical carbon materials structure, synthesis and applications

Electromagnetic Wave Absorption Performance of Carbon Nanocoils by Using Mixed Ferrites as Catalyst

Materials’ characterization and properties of multiwalled carbon nanotubes from industrial waste as electromagnetic wave absorber

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