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Surface properties of differently prepared ultrananocrystalline diamond surfaces
- Source :
-
Diamond & Related Materials . May2009, Vol. 18 Issue 5-8, p745-749. 5p. - Publication Year :
- 2009
-
Abstract
- Abstract: Ultrananocrystalline diamond/amorphous carbon composite films have been deposited by microwave plasma chemical vapour deposition from 17% CH4/N2 mixtures at 600 °C. Thereafter the films were subjected to various treatments (plasma processes, UV/O3 exposure) to obtain hydrogen, oxygen, and fluorine terminated surfaces, which then have been characterized with respect to their composition, roughness, wettability, and other properties. Among others, it will be shown that H- and F-terminated surfaces are very stable even if exposed for long time to air, while O-terminated ones are prone to contaminations. H- and O-termination can be patterned by applying the UV/O3 treatment through a mask. Finally, it will be shown that a non-fouling poly(ethylene glycol) layer can be grafted directly on oxygen terminated surfaces by an atom transfer radical polymerization process using α-bromoisobutyryl bromide as an initiator. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 09259635
- Volume :
- 18
- Issue :
- 5-8
- Database :
- Academic Search Index
- Journal :
- Diamond & Related Materials
- Publication Type :
- Academic Journal
- Accession number :
- 41241459
- Full Text :
- https://doi.org/10.1016/j.diamond.2009.01.005