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Atmospheric pressure plasma treatment of glassy carbon for adhesion improvement

✍ Scribed by Y. Kusano; H. Mortensen; B. Stenum; S. Goutianos; S. Mitra; A. Ghanbari-Siahkali; P. Kingshott; B.F. Sørensen; H. Bindslev

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
681 KB
Volume
27
Category
Article
ISSN
0143-7496

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✦ Synopsis

Glassy carbon plates were treated with an atmospheric pressure dielectric barrier discharge (DBD). He gas, gas mixtures of He and reactive gases such as O 2 , CO 2 and NH 3 , Ar gas and Ar/NH 3 gas mixture were used as treatment gases. The oxygen and nitrogen contents on the surface as well as defect density increased with the plasma treatments. Adhesion test of the treated glassy carbon covered with cured epoxy showed cohesive failure, indicating strong bonding after the treatments. This is in contrast to the adhesion tests of untreated samples where the epoxy readily peeled off the glassy carbon.

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