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Roy AK, Baumann W, König I, et al. Atomic layer deposition (ALD) as a coating tool for reinforcing fibers. Anal Bioanal Chem. 2010;396(5):1913-9doi: 10.1007/s00216-010-3470-9.
Roy, A. K., Baumann, W., König, I., Baumann, G., Schulze, S., Hietschold, M., Mäder, T., Nestler, D. J., Wielage, B., & Goedel, W. A. (2010). Atomic layer deposition (ALD) as a coating tool for reinforcing fibers. Analytical and bioanalytical chemistry, 396(5), 1913-9. https://doi.org/10.1007/s00216-010-3470-9
Roy, A K, et al. "Atomic layer deposition (ALD) as a coating tool for reinforcing fibers." Analytical and bioanalytical chemistry vol. 396,5 (2010): 1913-9. doi: https://doi.org/10.1007/s00216-010-3470-9
Roy AK, Baumann W, König I, Baumann G, Schulze S, Hietschold M, Mäder T, Nestler DJ, Wielage B, Goedel WA. Atomic layer deposition (ALD) as a coating tool for reinforcing fibers. Anal Bioanal Chem. 2010 Mar;396(5):1913-9. doi: 10.1007/s00216-010-3470-9. Epub 2010 Feb 04. PMID: 20130843.
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Anal Bioanal Chem. 2010 Mar;396(5):1913-9. doi: 10.1007/s00216-010-3470-9. Epub 2010 Feb 04.

Atomic layer deposition (ALD) as a coating tool for reinforcing fibers.

Analytical and bioanalytical chemistry

A K Roy, W Baumann, I König, G Baumann, S Schulze, M Hietschold, T Mäder, D J Nestler, B Wielage, W A Goedel

Affiliations

  1. Physical Chemistry, Institute of Chemistry, Chemnitz University of Technology, Strasse der Nationen 62, 09111, Chemnitz, Germany.

PMID: 20130843 DOI: 10.1007/s00216-010-3470-9

Abstract

Layers of alumina were deposited on to bundled carbon fibers in an atomic layer deposition (ALD) process via sequential exposure to vapors of aluminium chloride and water, respectively. Scanning electron microscopic (SEM) images of the coated fibers revealed that each individual fiber within a bundle was coated evenly and separately, fibers are not bridged by the coating. SEM and transmission electron microscopic (TEM) images indicate that the coating was uniform and conformal with good adhesion to the fiber surface. Average deposition rate, measured from SEM images, was 0.06 nm per cycle at 500 °C. SEM also revealed that at deposition temperatures of 500 °C few of the fibers were damaged. At temperatures of 300 °C, no damaged fibers were observed, the average deposition rate decreased down to 0.033 nm per cycle. Oxidation resistance of the alumina-coated fibers was characterized by thermogravimetric analysis (TGA). The alumina coating improved oxidation resistance of the carbon fiber significantly. Oxidation onset temperature was 600 °C for fibers coated with a 45 nm thick alumina. Uncoated fibers, on the other hand, started to oxidize at temperatures as low as 250 °C.

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