Electron Beam Ablation Phenomenon – Theoretical Model and Applications

Ptitsin, V.E.

doi:10.5772/47824

Cited by 1 publication

(1 citation statement)

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“…• The typical electronic conduction velocity of graphene is 8 Â 10 5 m/s, nearly 1/400 of the propagation velocity of light in vacuum and much larger than electrical conduction rate of general semiconductor materials [10].…”

Section: Introduction Of Graphene 1properties Of Graphenementioning

confidence: 98%

Application of Graphene Gas Sensors in Online Monitoring of SF6 Insulated Equipment

Zhang¹,

Tang²,

Xiao³

et al. 2017

Nanomaterials Based Gas Sensors for SF6 Decomposition Components Detection

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Graphene is an allotrope of carbon apart from graphite, diamond, fullerene and carbon nanotubes. Because graphene has unique mechanical, structural, thermal and electrochemical properties and can present the stability characteristics of these features, it becomes two-dimensional (2-d) materials which can alter three-dimensional (3-d) carbon nanotubes composite materials and has important research value. Pristine graphene and graphene films doped with Au nanoparticles were synthesized by the chemical reduction method. Their corresponding gas sensors were both fabricated by the traditional drop coating method and then used as an adsorbent for the detection of H 2 S, SO 2 , SOF 2 and SO 2 F 2 at room temperature. Theoretical simulation was also investigated when the decomposed gaseous components of sulfur hexafluoride (SF 6), namely, H 2 S, SO 2 , SOF 2 and SO 2 F 2 , were adsorbed on pristine and Au-embedded graphene based on DFT. In order to interpret the adsorption processes between Au-doped graphene and gas molecules, this chapter discussed the charge transfer mechanism on the adsorption surface for further investigation.

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Section: Introduction Of Graphene 1properties Of Graphenementioning

confidence: 98%