Carbon fibre production during hydrogen plasma etching of diamond films

Villalpando, Isaela; Porro, Samuele; Wilson, J.I.B.

doi:10.1039/c6ra04599e

Cited by 5 publications

(2 citation statements)

References 36 publications

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“…Therefore, in the thin part of the diamond film, the silicon atoms in the silicon substrate reach the surface of the diamond film through diffusion, catalyzing the conversion of the diamond film into carbon nanowires. 36 After etching for 30 min, the diamond surface is more severely etched, mainly showing many irregular pores etched at the grain boundary. The etched pores on the grain are connected together, but more nickel nanoparticles are exposed compared to those etched for 20 min.…”

Section: Resultsmentioning

confidence: 99%

Facile Preparation of Porous Diamond Films via Microwave Plasma Based on Metal Particles Heterogeneous Catalysis Etching

Chu¹,

Ma²,

Guo³

et al. 2023

ECS J. Solid State Sci. Technol.

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The porous diamond film was fabricated via a self-developed microwave plasma chemical vapor deposition (MPCVD) system in H2/Ar plasma by utilizing micrometer-sized diamond films coated with nickel as the starting material. Scanning electron microscopy and Raman spectroscopy were used to evaluate the evolution of the morphology and sp3 phase of porous diamond with changes in the surface treatment process parameters, including the etching temperature and time. The results indicate that once the etching temperature exceeds 700°C, the pitting etching phenomenon can be observed on the surface of the diamond film. In a certain range, increasing the etching time increases the depth of surface holes on diamond film, whereas the microporous density exhibits an inverted parabolic change pattern. The porous diamond films with uniform pores structure can be obtained by adopting optimal etching process parameter when the H2/Ar plasma temperature is determined at 900°C for 30 min. The porous formation mechanism of diamond film is attributed to the nickel particles' heterogeneous catalysis behavior, which promotes the transition route from diamond phase to graphite phase, followed by the preferential etching of graphite phase by H2/Ar plasma.

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Section: Resultsmentioning

confidence: 99%

Facile Preparation of Porous Diamond Films via Microwave Plasma Based on Metal Particles Heterogeneous Catalysis Etching

Chu¹,

Ma²,

Guo³

et al. 2023

ECS J. Solid State Sci. Technol.

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show abstract

“…In this work, the RGO were in situ created into the CF network by electrochemical deposition technology. similar explorative studied have also been attempted in the fabrication of graphene-heterostructure filler with combined electrical loss/magnetic loss [18][19][20][21][22]. [23].…”

Section: Introductionmentioning

confidence: 99%

Preparation and characterization of flexibility and lightweight CF-RGO composites

Li¹,

Bi²,

Su³

et al. 2018

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. Absorbing materials are developed with the concept of "thin, light, wide and strong", and various methods and materials have been attempted to satisfy the demand. In this work, the in situ growth method were conducted to grow reduced graphene (RGO) into carbon fiber (CF) to prepare CF-RGO composites. Moreover, the phase, microstructure and electromagnetic performance of the flexibility and lightweight composites were characterized. Consequently, the XRD and SEM results indicate the RGO is well grown on the surface of CF. The microwave absorption performance of the as-prepared samples were calculated, and the results show that the effective absorption band of the composites move towards low frequency once the RGO were introduced into the CF.

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Etching Characteristic of Graphite and Metal Substrates by Hydrocarbon Plasma in Closed Cavity

Lin

Zhou

Yang

et al. 2020

Plasma Chem Plasma Process

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Carbon fibre production during hydrogen plasma etching of diamond films

Abstract: Different morphology of carbon fibres have been synthesised on diamond films by hydrogen plasma etching in the presence of silicon.

Cited by 5 publications

References 36 publications

Facile Preparation of Porous Diamond Films via Microwave Plasma Based on Metal Particles Heterogeneous Catalysis Etching

Facile Preparation of Porous Diamond Films via Microwave Plasma Based on Metal Particles Heterogeneous Catalysis Etching

Preparation and characterization of flexibility and lightweight CF-RGO composites

Etching Characteristic of Graphite and Metal Substrates by Hydrocarbon Plasma in Closed Cavity

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