Deposition of Functional Organic Thin Films by Pulsed Plasma Polymerization: A Joint Theoretical and Experimental Study

被引:66
作者
Denis, Laurent [2 ]
Marsal, Philippe [1 ]
Olivier, Yoann [1 ]
Godfroid, Thomas [3 ]
Lazzaroni, Roberto [1 ,3 ]
Hecq, Michel [2 ,3 ]
Cornil, Jerome [1 ]
Snyders, Rony [2 ,3 ]
机构
[1] Univ Mons, Serv Chim Mat Nouveaux, B-7000 Mons, Belgium
[2] Univ Mons, Lab Chim Inorgan & Analyt, B-7000 Mons, Belgium
[3] Mat Nova Res Ctr, B-7000 Mons, Belgium
关键词
chemical derivatization; density functional theory (DFT); films; mass spectrometry; primary amines; pulsed plasma polymerization; X-ray photoelectron spectroscopy (XPS); CHEMICAL DERIVATIZATION; ALLYLAMINE-PLASMA; SURFACE CHARACTERIZATION; BIOMEDICAL APPLICATIONS; PROPENOIC ACID; CELL-ADHESION; ACRYLIC-ACID; SPECTROSCOPY; POLYMERS; XPS;
D O I
10.1002/ppap.200900131
中图分类号
O59 [应用物理学];
学科分类号
摘要
The pulsed plasma polymerization of allylamine and cyclopropylamine is investigated to study the influence of the precursor chemical structure on the process selectivity toward the primary amine groups. Both systems are compared under similar mean powers injected in the discharges (Pm,a,). The results reveal an increase in the precursor fragmentation in the plasma and a decrease in the primary amine content of the film (%NH2) as P-mean increases. Nevertheless, below a critical P-mean value, different behaviors are observed depending on the precursor, cyclopropylamine being less plasma-fragmented than allylamine. As a result, plasma polymer films (PPF) synthesized from cyclopropylamine yield the largest %NH2. These results are rationalized with the help of theoretical calculations pointing to a preferential opening of the cyclopropylamine ring structure. Cyclopropylamine activation in the plasma can thus be achieved without fragmentation reactions, leading to a more efficient incorporation of the -NH2 group of the precursor in the PPF.
引用
收藏
页码:172 / 181
页数:10
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