Surface properties of differently prepared ultrananocrystalline diamond surfaces

被引：21

作者：

Kulisch, W. ^{[1
]}

Popov, C. ^{[2
]}

Gilliland, D. ^{[1
]}

Ceccone, G. ^{[1
]}

Sirghi, L. ^{[1
]}

Ruiz, A. ^{[1
]}

Rossi, F. ^{[1
]}

机构：

[1] European Commis Joint Res Ctr, Inst Hlth & Consumer Protect, I-21020 Ispra, Italy

[2] Univ Kassel, Inst Nanostruct Technol & Analyt, Kassel, Germany

来源：

关键词：

Ultrananocrystalline diamond; Surface modification; Surface characterization; PEG; CARBON COMPOSITE FILMS; NANOCOMPOSITE FILMS; GROWTH MECHANISMS; NANOCRYSTALLINE; BIOPROPERTIES;

D O I：

10.1016/j.diamond.2009.01.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ultrananocrystalline diamond/amorphous carbon composite films have been deposited by microwave plasma chemical vapour deposition from 17% CH4/N-2 mixtures at 600 degrees C. Thereafter the films were subjected to various treatments (plasma processes, UV/O-3 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/O-3 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 alpha-bromoisobutyryl bromide as an initiator. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：745 / 749

页数：5

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