Characterization of commercially available PAN (polyacrylonitri1e)-based carbon fibers

Morita, Kenichi; Murata, Yasuhiko; Ishitani, A.; Murayama, Keiji; Ono, Tsuyoshi; Nakajima, Akira

doi:10.1351/pac198658030455

Cited by 152 publications

(65 citation statements)

References 15 publications

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“…The spectrum (a) refers to CF electrode with a profile graphite-like material [26,27] , showing two bands: D (~1352 cm −1 ), G (~1582 cm −1 ). Nonetheless, the spectrum (a) is compatible with PAN-based CF, i.e., it is the structure of the carbon fibers obtained from polyacrylonitrile precursor graphitized at temperatures around 1000 °C [27][28][29] , as expected. For all composites analyzed, the spectra are dominated by the PAni spectrum and exhibit characteristic bands of conducting species, mainly CF/PAni-30.…”

Section: Resultssupporting

confidence: 61%

Influence of the polymeric coating thickness on the electrochemical performance of Carbon Fiber/PAni composites

et al. 2015

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SbstractCarbon fiber/polyaniline composites (CF/PAni) were synthesized at three different deposition time of 30, 60 and 90 min by oxidative polymerization. The composite materials were morphologically and physically characterized by scanning electron microscopy and by Raman spectroscopy, respectively. Their electrochemical responses were analyzed by cyclic voltammetry, by galvanostatic test, and by electrochemical impedance spectroscopy. The influence of the PAni layer thickness deposited on carbon fibers for the composite formation as well as for their electrochemical properties was discussed. The CF/PAni-30 showed a nanometric thickness with more homogeneous morphology compared to those formed in deposition times of 60 and 90 min. It also showed, from the electrochemical impedance spectroscopy measurements, the lowest charge transfer resistance value associated to the its highest value for the double-layer capacitance of 180 Fg -1 making it a very strong candidate as a supercapacitor electrode.

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Section: Resultssupporting

confidence: 61%

Influence of the polymeric coating thickness on the electrochemical performance of Carbon Fiber/PAni composites

et al. 2015

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“…Those used in connection with XPS analysis of CF and/or composite materials are scanning electron microscopy microscopy (TEM),23 atomic force microscopy (AFM),38 electron energy-loss spectroscopy (EELS), 23 Raman spectro~copy,~~ ion scattering spectroscopy (ISS),31 photoacoustic or diffuse reflectance Fourier transform infrared spectroscopy (PAS-FTIR or DRIFT, Auger electron spectroscopy (AES),33 x-ray diffraction 0(RD),34,43*44,46 and secondary ion mass spectroscopy (SIMS).39…”

Section: Multi-technique Approachmentioning

confidence: 99%

Remarks on the surface characterization of carbon fibres

Desimoni

Casella

Cataldi

et al. 1992

Surface & Interface Analysis

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The characterization of carbon fibres by x-ray photoelectron spectroscopy depends on several experimental and theoretical aspects that noticeably improve the accuracy of the analysis when properly taken into account. Tbese aspects are briefly discussed in the light of the most representative literature available. Attention is focused on points that need a deeper understanding and suggestions are given about possible analysis strategies.

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“…These studies * Author to whom correspondence should be addressed. and differential scanning ~a l o r i m e t r y~~ and scanning electron microscopy (see, for example, Refs 3,8,23,29,31,32 and 37). However, the most widely adopted technique for C F characterization is x-ray photoelectron spectroscopy (XPS), which was used to study the effect the interaction of CF with thin resin films,27 the structural changes during PAN carbonization,' 8 9 4 9 the removal of sizing from the fibre surface,50 the surface microporosity of CF,51 the effects of hydrothermal exposure52 and fibre finish53 on fibre-matrix adhesion and the effects of ion bombardment on C F and graphitic materials.…”

Section: Introductionmentioning

confidence: 99%

XPS determination of oxygen‐containing functional groups on carbon‐fibre surfaces and the cleaning of these surfaces

Desimoni

Casella

Morone

et al. 1990

Surface & Interface Analysis

321

141

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Careful curve fitting is needed when using XPS to investigate oxidized functional groups on carbon-fibre surfaces. This is important because the core regions often contain a number of overlapping features some of which are of low intensity, and the C Is region is influenced by an asymmetric graphitic feature. The fitting approach used requires that the same content of oxygenated species must be obtained from both the C 1s and 0 Is regions. The approach is used to analyse untreated fibres before and after cleaning.

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Characterization of commercially available PAN (polyacrylonitri1e)-based carbon fibers

Abstract: Abstract

Cited by 152 publications

References 15 publications

Influence of the polymeric coating thickness on the electrochemical performance of Carbon Fiber/PAni composites

Influence of the polymeric coating thickness on the electrochemical performance of Carbon Fiber/PAni composites

Remarks on the surface characterization of carbon fibres

XPS determination of oxygen‐containing functional groups on carbon‐fibre surfaces and the cleaning of these surfaces

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