Low-Threshold Field Emission Cathode Based on Heat-Treated Dehydrofluorinated Polyvinylidene Fluoride

The films fabricated by heat treatment at 600–800°C of a material based on sp carbon synthesized by polyvinylidene fluoride dehydrofluorination are studied. The structure of the films is studied by scanning electron microscopy, X-ray diffraction, infrared spectroscopy, and Raman spectroscopy. For th...

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Veröffentlicht in:	Journal of experimental and theoretical physics 2022-12, Vol.135 (6), p.844-852
Hauptverfasser:	Streletskiy, O. A., Zavidovskiy, I. A., Nishchak, O. Yu, Khaidarov, A. A., Savchenko, N. F., Pavlikov, A. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Annealing Classical and Quantum Gravitation Electric waves Electromagnetic radiation Electromagnetic waves Electron emission Elementary Particles Emissions (Pollution) Field emission Fluorides Heat treatment Infrared spectroscopy Particle and Nuclear Physics Physics Physics and Astronomy Polyvinylidene fluoride Polyvinylidene fluorides Quantum Field Theory Raman spectroscopy Relativity Theory Solid State Physics Solids and Liquids
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Beschreibung
Zusammenfassung:	The films fabricated by heat treatment at 600–800°C of a material based on sp carbon synthesized by polyvinylidene fluoride dehydrofluorination are studied. The structure of the films is studied by scanning electron microscopy, X-ray diffraction, infrared spectroscopy, and Raman spectroscopy. For the electron emission of the films, the turn-on field is 0.3–1.5 V/μm. The influence of the structure of the polyene and graphite phases having formed upon annealing on the emission characteristics of the material is considered. The emission is found to be caused by field emission and thermionic mechanisms.
ISSN:	1063-7761 1090-6509
DOI:	10.1134/S106377612212010X