VUV processing of polymers: Surface modification and deposition of organic thin films

被引：34
|
作者：
Truica-Marasescu, F. [1 ]
Pham, S. [1 ]
Wertheimer, M. R. [1 ]
机构：
[1] Ecole Polytech, Dept Engn Phys, GCM, Montreal, PQ H3C 3A7, Canada
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2007年 / 265卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
N-rich surfaces; photo-polymerization; surface chemistry; VUV photochemistry; biomaterials;
D O I：
10.1016/j.nimb.2007.08.016
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
N-rich organic surfaces have been obtained by means of vacuum ultraviolet (VUV) processing, via the functionalization of low-density polyethylene (LDPE) surfaces and also by polymerization of hydrocarbons (CH4 and C2H4) mixed with ammonia (NH3). The fundamental mechanisms involved in grafting reactions, as well as in the polymerization of these binary mixtures are discussed as a function of wavelength, lambda, of the VUV sources. The surface compositions and deposition rates are characterized by X-ray photoelectron spectroscopy (XPS) and by UV-vis spectroscopic ellipsometry, respectively. We show that photochemical reactions can be optimized by judiciously selecting lambda of the VUV source, so that maximum absorption and photo-dissociation can be achieved. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：31 / 36
页数：6
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