Weatherability of amorphous carbon films synthesized by atmospheric-pressure plasma-enhanced chemical vapor deposition

Reiko Inaba, Eiichi Kishimoto, Akira Shirakura, Tetsuya Suzuki

Research output: Contribution to journalArticle

Abstract

Recently, to prevent the corrosion of concrete structures, a new method of protection has been investigated. Polymer sheets coated with amorphous carbon (a-C:H) films to wrap concrete structures is one of the promising solutions. a-C:H films were synthesized by the atmospheric-pressure plasma-enhanced chemical vapor deposition method because large-area synthesis is beneficial for huge concrete constructions. The film is intended to be used outdoors; therefore, high weatherability of the film is required. In this study, the goal was to evaluate weatherability and clarify the mechanism of deterioration by light and water. After 100 h of weathering test, the film thickness decreased because of oxidization and decomposition. The films synthesized by filamentary dielectric barrier discharge have higher weatherability than those synthesized by glow dielectric barrier discharge. In addition, SiO:CH/a-C:H multilayer films have higher weatherability than single-layer a-C:H films. The results imply the possibility of the practical application of a-C:H films for the protection of concrete structures.

Original languageEnglish
Pages (from-to)835-841
Number of pages7
JournalSensors and Materials
Volume29
Issue number6
DOIs
Publication statusPublished - 2017 Jan 1

Fingerprint

Carbon films
Amorphous carbon
Amorphous films
Plasma enhanced chemical vapor deposition
Atmospheric pressure
atmospheric pressure
vapor deposition
carbon
Concrete construction
concrete structures
Multilayer films
wrap
Weathering
weathering
Deterioration
Film thickness
deterioration
Polymers
corrosion
film thickness

Keywords

  • Amorphous carbon films
  • Atmospheric-pressure plasma
  • Chemical vapor deposition
  • Filamentary dielectric barrier discharge
  • Weatherability

ASJC Scopus subject areas

  • Instrumentation
  • Materials Science(all)

Cite this

Weatherability of amorphous carbon films synthesized by atmospheric-pressure plasma-enhanced chemical vapor deposition. / Inaba, Reiko; Kishimoto, Eiichi; Shirakura, Akira; Suzuki, Tetsuya.

In: Sensors and Materials, Vol. 29, No. 6, 01.01.2017, p. 835-841.

Research output: Contribution to journalArticle

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